Hanna Instruments

About Hanna Instruments

Trusted Hanna Instruments for Precision Water Analysis

Hanna Instruments 1

About Hanna Instruments

Trusted Hanna Instruments for Precision Water Analysis

Hanna Instruments is a globally recognized manufacturer of advanced analytical instruments for water quality testing, laboratory analysis, industrial process monitoring, and environmental applications. Reyocto supplies genuine Hanna Instruments products, including pH meters, conductivity meters, spectrophotometers, colorimeters, controllers, and transmitters that deliver accurate measurements, reliable performance, and dependable results across diverse industries.

Hanna Instruments Products We Offer

Benchtop Conductivity Meter

The HANNA HI6321 Advanced Conductivity Benchtop Meter is a professional laboratory instrument developed for highly accurate conductivity, resistivity, TDS, salinity, and temperature measurements. Equipped with a platinum four-ring conductivity probe, advanced temperature compensation, intelligent calibration, and a large capacitive touchscreen, it delivers dependable performance for water quality analysis, industrial testing, research, and laboratory applications. Comprehensive data logging and network connectivity further improve productivity and traceability.

  • Measurement Parameters

    • Conductivity
    • Resistivity
    • TDS
    • Salinity
    • Temperature

    Conductivity Range

    • 0.000 μS/cm to 100 mS/cm

    Measurement Units

    • μS/cm
    • mS/cm
    • Ω·cm
    • kΩ·cm
    • MΩ·cm
    • ppm
    • ppt
    • PSU
    • %

    Conductivity Calibration

    • Up to 4 points
    • Standard calibration
    • Custom calibration

    Salinity Calibration

    • Single-point calibration

    Temperature Compensation

    • Automatic
    • Manual

    Measurement Modes

    • Direct
    • Direct / AutoHold

    Display

    • 7-inch capacitive color touchscreen
    • 800 × 480 resolution

    Logging

    • Manual
    • Automatic
    • AutoHold

    Connectivity

    • USB Type-A
    • USB Type-C
    • Ethernet
    • Wi-Fi
    • Printer support

    Data Export

    • CSV
    • FTP
    • Email
    • Embedded web server

    Power Supply

    • 24 VDC adapter
  • Water quality laboratories
  • Environmental monitoring
  • Wastewater analysis
  • Drinking water testing
  • Research laboratories
  • Universities and educational institutions
  • Chemical laboratories
  • Pharmaceutical laboratories
  • Food and beverage quality control
  • Industrial process monitoring
  • Laboratory quality assurance
  • General analytical testing
  • Water quality laboratories
  • Environmental monitoring
  • Wastewater analysis
  • Drinking water testing
  • Research laboratories
  • Universities and educational institutions
  • Chemical laboratories
  • Pharmaceutical laboratories
  • Food and beverage quality control
  • Industrial process monitoring
  • Laboratory quality assurance
  • General analytical testing

Benchtop Multiparameter Meter

The HANNA HI6000 Multiparameter Modular System is a fully customizable laboratory measurement platform engineered for advanced analytical applications. Its modular architecture allows users to configure the instrument with up to three measurement modules for pH, ORP, ISE, Conductivity, Resistivity, TDS, Salinity, and Dissolved Oxygen. Designed for demanding laboratories, the HI6000 combines a high-resolution touchscreen, intelligent data management, advanced calibration, application-specific measurement profiles, and extensive connectivity to deliver accurate, efficient, and flexible laboratory testing.

  • Measures conductivity and temperature simultaneously.
  • Suitable for continuous online monitoring.
  • Digital RS-485 Modbus RTU communication.
  • Fast response time of less than 60 seconds.
  • Accurate conductivity and temperature measurements.
  • Low power consumption.
  • Compact industrial design.
  • Easy integration with PLC and SCADA systems.
  • Reliable long-term monitoring.
  • Designed for industrial and environmental applications.
  • Supports smart water quality monitoring.
  • Durable construction for continuous operation.

Supported Measurement Modules

  • pH / ORP
  • pH / ORP / ISE
  • Conductivity
  • Dissolved Oxygen

Measurement Parameters

  • pH
  • ORP
  • ISE
  • Conductivity
  • Resistivity
  • TDS
  • Salinity
  • Dissolved Oxygen

Display

  • 7-inch capacitive color touchscreen
  • 800 × 480 resolution

Module Capacity

  • Up to 3 measurement modules

Logging

  • Manual
  • Automatic
  • AutoHold

Data Storage

  • Up to 1,000,000 logged data points

Connectivity

  • USB Type-A
  • USB Type-C
  • Ethernet
  • Wi-Fi
  • Printer support
  • Keyboard support

Data Export

  • CSV
  • FTP
  • Email
  • Embedded web server

Power Supply

  • 24 VDC adapter
  • Research laboratories
  • Environmental laboratories
  • Water and wastewater analysis
  • Pharmaceutical laboratories
  • Food and beverage testing
  • Industrial quality control
  • Chemical laboratories
  • Biotechnology laboratories
  • Agricultural laboratories
  • Educational institutions
  • Environmental monitoring
  • Multi-parameter laboratory analysis

Benchtop pH Meter

The HANNA HI6221 Advanced pH and ORP Benchtop Meter is a high-performance laboratory meter designed for precise pH, ORP (Redox), mV, and temperature measurements. Featuring a large capacitive touchscreen, advanced calibration options, intelligent data logging, and multiple measurement views, it delivers reliable and repeatable results for research, environmental analysis, quality control, and industrial laboratories. The flexible electrode arm, GLP functions, and extensive connectivity options make routine testing faster and more efficient.

  • Measures pH, ORP (Redox), mV, and temperature.
  • Large 7-inch capacitive color touchscreen.
  • Supports multi-touch operation.
  • Automatic and manual temperature compensation.
  • Up to five-point pH calibration.
  • Automatic recognition of Hanna and NIST buffer standards.
  • Custom buffer calibration support.
  • Direct and AutoHold measurement modes.
  • Multiple GLP measurement views.
  • Interactive graph and tabulated data display.
  • Stable measurement indicator.
  • Audible alarm and measurement limit alerts.
  • Large internal memory with data logging.
  • Manual, automatic, and AutoHold logging.
  • USB, Ethernet, and Wi-Fi connectivity.
  • CSV data export.
  • Embedded web server for data download.
  • FTP and email log export.
  • Non-volatile memory for settings and logs.
  • Flexible electrode holder with adjustable arm.
  •  

Measurement Parameters

  • pH
  • ORP (Relative mV)
  • mV
  • Temperature

pH Range

  • -2.000 to 20.000 pH

ORP Range

  • ±2000 mV

Temperature Compensation

  • Automatic
  • Manual

pH Calibration

  • Up to 5 calibration points
  • Hanna buffers
  • NIST buffers
  • Custom buffers

Measurement Modes

  • Direct
  • Direct / AutoHold

Display

  • 7-inch capacitive color touchscreen
  • 800 × 480 resolution

Logging

  • Manual logging
  • Automatic logging
  • AutoHold logging

Connectivity

  • USB Type-A
  • USB Type-C
  • Ethernet
  • Wi-Fi
  • Printer support

Data Export

  • CSV files
  • FTP
  • Email
  • Embedded web server

Power Supply

  • 24 VDC adapter

Water quality laboratories
Environmental monitoring
Wastewater analysis
Drinking water testing
Research laboratories
Universities and educational institutions
Chemical laboratories
Pharmaceutical laboratories
Food and beverage quality control
Industrial process monitoring
Laboratory quality assurance
General analytical testing

Industrial Conductivity Transmitter

The Reyocto Chlorine Sensor is a digital residual chlorine sensor designed for accurate online measurement of free residual chlorine in drinking water, wastewater, swimming pools, and industrial water treatment systems. Utilizing a non-membrane constant voltage measuring principle, it eliminates the need for diaphragm replacement while providing fast response, excellent repeatability, and stable long-term performance. With RS-485 Modbus RTU communication and IP68 protection, it is ideal for continuous chlorine monitoring and automated dosing control.

  • Measures free residual chlorine continuously.
  • Non-membrane constant voltage sensing technology.
  • No diaphragm replacement required.
  • Measuring range up to 20 mg/L.
  • High sensitivity and fast response.
  • Digital RS-485 Modbus RTU communication.
  • Excellent repeatability and measurement stability.
  • Supports scaling factor and incremental compensation calibration.
  • IP68 waterproof construction.
  • Low-maintenance industrial design.
  • Suitable for automated chlorine dosing systems.
  • Ideal for continuous water quality monitoring.

Measurement Principle:

  • Constant Voltage

Measurement Range:

  • Residual Chlorine: 0 – 20.00 mg/L (ppm)

Resolution:

  • 0.01 mg/L

Accuracy:

  • ±1% or ±0.01 mg/L

Calibration:

  • Scaling Factor / Incremental Compensation

Working Conditions:

  • Temperature: 0 – 60°C

Communication:

  • RS-485 (Modbus/RTU)

Power Supply:

  • 12 VDC

Protection Rating:

  • IP68

The Reyocto Chlorine Sensor is ideal for:

  • Drinking water treatment plants
  • Water distribution networks
  • Swimming pools
  • Hospital wastewater treatment
  • Industrial water treatment
  • Cooling water systems
  • Chemical dosing systems
  • Water quality monitoring
  • Municipal water treatment
  • Process automation

Pocket EC Meter

The HANNA Pocket EC Meter is a compact, waterproof handheld conductivity meter designed for fast and accurate electrical conductivity (EC) measurements. Featuring automatic temperature compensation, single-point automatic calibration, and a large LCD display, it delivers dependable results for water quality testing, hydroponics, agriculture, laboratories, and industrial applications. Its lightweight design and long battery life make it ideal for routine field and laboratory measurements.

  • Measures electrical conductivity and temperature.
  • Waterproof pocket-sized design.
  • Automatic temperature compensation.
  • Automatic single-point calibration.
  • Large LCD with dual display.
  • Stability indicator for reliable readings.
  • User-selectable temperature unit.
  • Adjustable auto power-off function.
  • Low battery indicator.
  • Simple two-button operation.
  • Fast response sensor.
  • Long battery life.
  • Protective storage sleeve included.
  •  

Measurement Parameters

  • Electrical Conductivity (EC)
  • Temperature

EC Range

  • 0 to 2000 µS/cm

Temperature Range

  • 0.0 to 50.0°C

Resolution

  • 1 µS/cm
  • 0.1°C

Accuracy

  • ±2% Full Scale
  • ±0.5°C

Calibration

  • Automatic single-point
  • 1413 µS/cm standard

Temperature Compensation

  • Automatic

Battery

  • CR2032 Lithium battery

Battery Life

  • Approximately 250 hours

Display

  • Dual LCD
  • Hydroponics
  • Greenhouses
  • Agriculture
  • Drinking water testing
  • Water treatment
  • Aquaculture
  • Educational laboratories
  • Environmental monitoring
  • Industrial water testing
  • General water quality analysis

Pocket Multiparameter Tester (pH EC TDS Temp)

The HANNA HI98130 Waterproof pH, EC/TDS & Temperature Tester is a professional multiparameter handheld meter designed to measure pH, electrical conductivity (EC), Total Dissolved Solids (TDS), and temperature with exceptional accuracy. Built with a waterproof floating housing, replaceable pH electrode, automatic temperature compensation, and user-selectable EC/TDS conversion settings, it provides reliable performance for laboratory analysis, hydroponics, agriculture, aquaculture, water treatment, and industrial process monitoring. Its compact design and intuitive operation make it an ideal solution for routine water quality testing.

  • Measures pH, EC, TDS, and temperature.
  • Waterproof floating housing.
  • Replaceable pH electrode.
  • Automatic temperature compensation.
  • Automatic one or two-point pH calibration.
  • Automatic single-point EC/TDS calibration.
  • User-selectable EC/TDS conversion factor.
  • Adjustable temperature compensation coefficient.
  • Stability indicator for accurate readings.
  • HOLD function for convenient measurement.
  • Dual LCD display with battery indicator.
  • Battery Error Prevention System (BEPS).
  • Automatic power-off function.
  • Easy two-button operation.
  • Suitable for laboratory and field use.
  •  

Measurement Parameters:

  • TOC
  • BOD
  • COD
  • TSS
  • UVA
  • UVT
  • SUVA

Measurement Principle:

  • UV Absorption

Measurement Range:

  • UVT: 0 – 100%
  • ABS: 0 – 6 ABS

Accuracy:

  • ±0.5% UVT

COD Range:

  • 0 – 2800 mg/L (1 mm)
  • 0 – 1400 mg/L (2 mm)
  • 0 – 560 mg/L (5 mm)

BOD Range:

  • 0 – 1400 mg/L (1 mm)
  • 0 – 700 mg/L (2 mm)
  • 0 – 280 mg/L (5 mm)

TOC Range:

  • 0 – 1200 mg/L (1 mm)
  • 0 – 600 mg/L (2 mm)
  • 0 – 240 mg/L (5 mm)

Output:

  • RS-485 (Modbus/RTU)

Operating Conditions:

  • Temperature: 10 – 45°C
  • Humidity: Max. 80% RH (Non-condensing)

Construction Material:

  • Stainless Steel / Titanium

Protection Rating:

  • IP68

Cable Length:

  • Standard 10 metres (Longer cable available)
  • Hydroponics and vertical farming
  • Greenhouse cultivation
  • Agriculture and fertigation
  • Aquaculture and fisheries
  • Drinking water testing
  • Water treatment plants
  • Industrial process monitoring
  • Environmental monitoring
  • Educational and research laboratories
  • General water quality analysis

Pocket pH Meter

The HANNA Pocket pH Meter is a compact waterproof pH tester designed for quick and accurate pH measurement in laboratories, agriculture, hydroponics, food processing, and water treatment. Featuring automatic temperature compensation, one or two-point calibration, and a replaceable electrode, it provides dependable pH measurements for routine testing in both field and laboratory environments.

  • Measures pH and temperature.
  • Waterproof pocket-sized design.
  • Automatic temperature compensation.
  • Automatic one or two-point calibration.
  • Replaceable pH electrode.
  • Stability indicator.
  • Large LCD display.
  • User-selectable temperature unit.
  • Adjustable auto-off function.
  • Long battery life.
  • Replaceable cloth junction.
  • Protective storage cap.
  •  

Measurement Parameters

  • pH
  • Temperature

pH Range

  • 0.0 to 14.0 pH

Temperature Range

  • 0.0 to 50.0°C

Resolution

  • 0.1 pH
  • 0.1°C

Accuracy

  • ±0.1 pH
  • ±0.5°C

Calibration

  • Automatic one or two-point
  • pH 4.01, 7.01, and 10.01 buffers

Temperature Compensation

  • Automatic

Battery

  • CR2032 Lithium battery

Battery Life

  • Approximately 800 hours
  • Hydroponics
  • Agriculture
  • Drinking water testing
  • Food processing
  • Laboratories
  • Aquaculture
  • Environmental monitoring
  • Education
  • Industrial water testing
  • General pH analysis

Pocket Salinity Tester

The HANNA HI98319 Waterproof Salinity Tester is a professional digital tester designed for fast and accurate salinity measurements in seawater applications. Supporting multiple salinity units, automatic temperature compensation, and waterproof construction, it is ideal for aquariums, aquaculture, marine research, and environmental monitoring. The compact floating design ensures reliable performance in both laboratory and field environments.

  • Measures salinity and temperature.
  • Waterproof floating design.
  • Supports ppt, PSU, and Specific Gravity.
  • Automatic temperature compensation.
  • Automatic single-point calibration.
  • Dual LCD display.
  • Stability indicator.
  • User-selectable measurement units.
  • Adjustable auto-off function.
  • Graphite conductivity electrodes.
  • Low battery indicator.
  • Compact handheld design.
  •  
  • Marine aquariums
  • Aquaculture
  • Brackish water monitoring
  • Seawater testing
  • Marine research
  • Environmental monitoring
  • Coastal water analysis
  • Fisheries
  • Saltwater laboratories
  • Marine water quality assessment
  • Marine aquariums
  • Aquaculture
  • Brackish water monitoring
  • Seawater testing
  • Marine research
  • Environmental monitoring
  • Coastal water analysis
  • Fisheries
  • Saltwater laboratories
  • Marine water quality assessment

Pocket TDS Teater

The HANNA HI98301 Pocket TDS Tester is a reliable waterproof pocket tester engineered for rapid Total Dissolved Solids (TDS) measurement. Designed for everyday water quality testing, it combines automatic temperature compensation, single-point calibration, and an easy-to-read LCD display to provide accurate measurements in laboratories, hydroponics, aquaculture, agriculture, and water treatment applications.

  • Measures TDS and temperature.
  • Waterproof handheld design.
  • Automatic temperature compensation.
  • Automatic single-point calibration.
  • Dual LCD display.
  • Stability indicator.
  • User-selectable temperature units.
  • Adjustable auto-off function.
  • Low battery indicator.
  • Simple two-button operation.
  • Compact and lightweight.
  • Long battery operating life.
  •  

Measurement Parameters

  • Total Dissolved Solids (TDS)
  • Temperature

TDS Range

  • 0 to 2000 ppm

Temperature Range

  • 0.0 to 50.0°C

Resolution

  • 1 ppm
  • 0.1°C

Accuracy

  • ±2% Full Scale
  • ±0.5°C

Calibration

  • Automatic single-point
  • 1382 ppm standard

Temperature Compensation

  • Automatic

TDS Conversion Factor

  • 0.5

Battery

  • CR2032 Lithium battery

Battery Life

  • Approximately 250 hours
  • Drinking water testing
  • Hydroponics
  • Agriculture
  • Aquaculture
  • Reverse osmosis systems
  • Water purification
  • Laboratories
  • Environmental monitoring
  • Industrial water testing
  • General water quality measurement

Portable Colorimeter

The HANNA HI97711 Free Chlorine & Total Chlorine Photometer is a professional portable photometer designed for accurate measurement of free chlorine and total chlorine in drinking water, wastewater, swimming pools, and industrial water systems. Featuring an advanced optical system, CAL Check™ verification, GLP data management, auto logging, and a waterproof floating enclosure, it delivers reliable and repeatable chlorine analysis in both laboratory and field environments.

  • Measures free and total chlorine.
  • Advanced LED optical measurement system.
  • CAL Check™ instrument validation.
  • User calibration support.
  • Built-in tutorial mode.
  • GLP data management.
  • Automatic data logging.
  • Waterproof IP67 floating enclosure.
  • Backlit LCD display.
  • Positive-locking cuvette positioning.
  • Compact portable design.
  • Long battery life.
  • EPA-compliant measurement method.
  • Simple menu-driven operation.
  •  

Measurement Parameters

  • Free Chlorine
  • Total Chlorine

Measurement Range

  • 0.00 to 5.00 mg/L (Cl₂)

Resolution

  • 0.01 mg/L

Accuracy

  • ±0.03 mg/L ±3% of reading

Measurement Method

  • US EPA Method 330.5
  • DPD Colorimetric Method

Light Source

  • LED

Detector

  • Silicon photocell

Optical Filter

  • 525 nm interference filter

Logging Capacity

  • 50 readings

Display

  • 128 × 64 backlit LCD

Power Supply

  • 3 × AA alkaline batteries

Battery Life

  • More than 800 measurements

Protection Rating

  • IP67 floating case
  • Drinking water testing
  • Municipal water treatment
  • Swimming pools and spas
  • Wastewater treatment
  • Environmental monitoring
  • Industrial process water
  • Cooling water analysis
  • Food and beverage production
  • Educational laboratories
  • Water quality laboratories

Portable Conductivity Meter

The Portable Conductivity Meter is a waterproof handheld instrument designed for fast and accurate measurement of electrical conductivity (EC), total dissolved solids (TDS), and temperature in laboratory, industrial, environmental, and field applications. Featuring automatic temperature compensation, one-point calibration, a durable IP67-rated housing, and a large dual-line LCD, it delivers reliable performance for routine water quality monitoring, process control, and environmental testing.

  • Measures EC, TDS, and temperature
  • Simultaneous measurement with dual-line LCD
  • Automatic temperature compensation (ATC)
  • One-point automatic EC/TDS calibration
  • Waterproof IP67-rated housing
  • Integrated conductivity and temperature probe
  • Selectable EC or TDS measurement mode
  • Adjustable TDS conversion factor
  • User-selectable temperature coefficient (β)
  • Battery life indicator with low battery warning
  • Auto-off function for extended battery life
  • HOLD function to freeze readings
  • Quick-connect probe system
  • Audible keypad confirmation
  • Compact, lightweight portable design
  •  

Measurement Parameters

  • Electrical Conductivity (EC)
  • Total Dissolved Solids (TDS)
  • Temperature

EC Measurement Range

HI99300

  • 0 to 3999 µS/cm

HI99301

  • 0.00 to 20.00 mS/cm

TDS Measurement Range

HI99300

  • 0 to 2000 ppm

HI99301

  • 0.00 to 10.00 ppt

Temperature Range

  • -5.0 to 105.0°C
  • 23.0 to 221.0°F (HI99301)

Resolution

  • 1 µS/cm or 0.01 mS/cm
  • 1 ppm or 0.01 ppt
  • 0.1°C / 0.1°F

Accuracy

  • EC/TDS: ±2% Full Scale
  • Temperature: ±0.5°C / ±1.0°F

Temperature Compensation

  • Automatic
  • Adjustable β value from 0.0 to 2.4%/°C

Calibration

  • Automatic one-point calibration
  • Conductivity and TDS calibration supported

TDS Conversion Factor

  • Adjustable from 0.45 to 1.00

Display

  • Large dual-line LCD

Probe

  • HI763063 EC/TDS probe with integrated temperature sensor
  • DIN connector with 1 m cable

Power Supply

  • 3 × 1.5 V AAA alkaline batteries

Battery Life

  • Approximately 500 hours of continuous use

Auto-Off

  • 8 minutes
  • 60 minutes
  • Disabled

Operating Conditions

  • 0 to 50°C
  • Maximum 100% RH

Dimensions

  • 154 × 63 × 30 mm

Weight

  • 196 g (including batteries)

Protection Rating

  • IP67 Waterproof
  • Water quality testing
  • Drinking water analysis
  • Wastewater monitoring
  • Environmental monitoring
  • Aquaculture
  • Hydroponics
  • Food and beverage production
  • Industrial process monitoring
  • Laboratory testing
  • Water treatment plants
  • Educational laboratories
  • Field water quality surveys

Portable Dissolved Oxygen Meter

The HANNA HI9146 Portable Dissolved Oxygen & Temperature Meter is a professional portable instrument engineered for accurate dissolved oxygen and temperature measurements in laboratory, environmental, aquaculture, and industrial applications. Featuring a polarographic dissolved oxygen probe, automatic temperature, salinity, and altitude compensation, AutoEnd stability detection, GLP functions, and a backlit LCD, it delivers reliable and repeatable results for both field and laboratory water quality analysis.

  • Measures dissolved oxygen and temperature.
  • Displays DO in ppm and % saturation.
  • Polarographic DO probe with built-in sensor.
  • Automatic temperature compensation.
  • Automatic salinity compensation.
  • Automatic altitude compensation.
  • AutoEnd stability measurement function.
  • Good Laboratory Practice (GLP) support.
  • Backlit LCD display.
  • Battery Error Prevention System (BEPS).
  • User programmable instrument ID.
  • Automatic power-off function.
  • Waterproof field-ready probe.
  • Fast and reliable measurements.
  • Ideal for laboratory and field applications.
  •  

Measurement Parameters

  • Dissolved Oxygen (DO)
  • Temperature

DO Range

  • 0.00 to 45.00 ppm
  • 0.0 to 300.0% Saturation

Temperature Range

  • 0.0 to 50.0°C
  • 32.0 to 122.0°F

Resolution

  • 0.01 ppm
  • 0.1% Saturation
  • 0.1°C
  • 0.1°F

Accuracy

  • ±1.5% Full Scale
  • ±1 Least Significant Digit
  • ±0.2°C (excluding probe error)

Calibration

  • Automatic one-point calibration
  • Automatic two-point calibration

Temperature Compensation

  • Automatic

Salinity Compensation

  • 0 to 80 g/L
  • 1 g/L adjustment steps

Altitude Compensation

  • 0 to 4000 m
  • 100 m adjustment steps

Probe

  • Polarographic dissolved oxygen probe
  • Built-in temperature sensor
  • PTFE membrane
  • Platinum cathode
  • Silver chloride anode

Display

  • Backlit LCD

Power Supply

  • 3 × 1.5V AAA batteries

Battery Life

  • Approximately 200 hours

Operating Environment

  • 0 to 50°C
  • Maximum 95% RH non-condensing

Dimensions

  • 185 × 72 × 36 mm

Weight

  • 300 g
  • Drinking water testing
  • Wastewater treatment
  • Aquaculture monitoring
  • Environmental water analysis
  • Water treatment plants
  • Industrial process monitoring
  • Surface water analysis
  • Research laboratories
  • Educational institutions
  • General dissolved oxygen measurement
  •  

Portable Multiparameter Meter

The Reyocto FloPro-Mag Electromagnetic Flow Meter is a high-performance flow measurement solution designed for accurate monitoring of conductive liquids in industrial, municipal, and water treatment applications. Available in sizes ranging from DN15 to DN200, it provides reliable flow measurement with an accuracy of ±0.5% of the measured value. Featuring multiple body and electrode material options, remote or integral transmitter configurations, LCD display, and 4–20 mA plus RS485 outputs, the FloPro-Mag offers seamless integration with industrial automation and process control systems.

  • High-accuracy electromagnetic flow measurement.
  • Suitable for conductive liquids.
  • Available in sizes from DN15 to DN200.
  • Measurement accuracy of ±0.5% of the measured value.
  • Remote and integral transmitter options.
  • LCD display for real-time flow monitoring.
  • 4–20 mA and RS485 communication outputs.
  • Supports ANSI and DIN flange standards.
  • Multiple body, flow tube, and electrode material options.
  • Rugged IP65-rated enclosure.
  • Low maintenance with no moving parts.
  • Designed for industrial process automation.

Flow Meter Type:

  • Electromagnetic Flow Meter

Nominal Size:

  • DN15 – DN200

Accuracy:

  • ±0.5% of Measured Value

Working Pressure:

  • Up to 25 Kg/cm²

Flow Tube Material:

  • SS304
  • SS316

Electrode Material:

  • Hastelloy
  • SS316

Body Material:

  • MS
  • SS304
  • SS316

Flange Material:

  • MS
  • SS304
  • SS316

Flange Standard:

  • ANSI / DIN

Power Supply:

  • 110–230 VAC, 50 Hz

Protection Rating:

  • IP65

Transmitter Type:

  • Remote
  • Integral (Standard)

Display:

  • LCD

Signal Output:

  • 4–20 mA
  • RS485

The Reyocto FloPro-Mag Electromagnetic Flow Meter is ideal for:

  • Water treatment plants
  • Wastewater treatment plants
  • Industrial process water
  • Chemical processing industries
  • Food & beverage manufacturing
  • Pharmaceutical industries
  • Irrigation systems
  • Cooling water systems
  • Mining and mineral processing
  • Municipal water distribution
  • Process automation
  • Industrial flow monitoring

Conductivity Controller

The Reyocto Digital DO Sensor is an industrial dissolved oxygen sensor designed for continuous online monitoring of dissolved oxygen (DO) and water temperature. Utilizing a polarographic measuring principle, it delivers accurate and stable DO measurements for water treatment, aquaculture, environmental monitoring, and industrial process applications. With digital RS-485 Modbus RTU communication, IP68 protection, and low-maintenance construction, the sensor enables reliable integration into automated water quality monitoring systems.

  • Continuous conductivity measurement and control.
  • Compact panel-mounted controller design.
  • Large, easy-to-read LCD display.
  • Automatic and manual operating modes.
  • Adjustable conductivity setpoint.
  • Dry contact dosing relay.
  • Programmable overdose protection timer.
  • Relay OFF, AUTO, and ON override.
  • Multicolor LED status indicator.
  • Fuse-protected relay contacts.
  • Optional 4–20 mA isolated output.
  • External dosing disable input.
  • Splash-resistant protective cover.
  • Fire-retardant enclosure.
  • Easy quick-connect terminal wiring.
  • Compatible with HI7632 conductivity probes.

Supported Models

  • BL983317 – Relay activates below setpoint
  • BL983327 – Relay activates above setpoint

Measurement Parameter

  • Electrical Conductivity (EC)

Measurement Unit

  • mS/cm

Control Function

  • Automatic dosing control
  • Manual relay control

Relay Operation

  • BL983317: Relay ON below setpoint
  • BL983327: Relay ON above setpoint

Calibration

  • Manual calibration with trimmer

Temperature Compensation

  • Automatic
  • 5 to 50°C (41 to 122°F)

Dosing Relay

  • Maximum 2A
  • 250 VAC or 30 VDC
  • Fuse protected

Overdose Protection

  • Adjustable from approximately 5 to 30 minutes
  • Can be disabled

Operating Modes

  • OFF
  • AUTO
  • ON

Display

  • Large LCD

Status Indicator

  • Multicolor LED

Power Supply

  • 12 VDC models
  • 115/230 VAC models

Input Power

  • 3 W (12 VDC models)
  • 10 VA (AC models)

Dimensions

  • 83 × 53 × 99 mm

Weight

  • 200 g (12 VDC)
  • 300 g (AC models)

Recommended Probe

  • HI7632-00 EC probe with 2 m cable
  • HI7632-00/6 EC probe with 6 m cable
  • Boiler feed water control
  • Cooling tower monitoring
  • Cooling water management
  • Industrial water treatment
  • Chemical dosing systems
  • Nutrient dosing systems
  • Water conditioning plants
  • Process water monitoring
  • Manufacturing facilities
  • Industrial automation
  • Water quality control
  • Continuous conductivity monitoring

Portable pH Meter

The HANNA Portable pH/Temperature Meter is a rugged handheld instrument designed for accurate pH and temperature measurements in laboratories, industrial plants, water treatment facilities, and field applications. Featuring automatic temperature compensation, automatic calibration, HOLD function, and a durable waterproof design, it provides fast, dependable, and repeatable measurements for everyday testing.

  • Measures pH and temperature.
  • Portable waterproof design.
  • Automatic temperature compensation.
  • Automatic one or two-point calibration.
  • HOLD function for stable readings.
  • Automatic buffer recognition.
  • Selectable °C and °F units.
  • Large LCD display.
  • Low battery indicator.
  • Easy one-hand operation.
  • Durable field-ready construction.
  • Fast measurement response.
  •  

Measurement Parameters

  • pH
  • Temperature

pH Range

  • -2.00 to 16.00 pH

Temperature Range

  • -5.0 to 105.0°C
  • 23.0 to 221.0°F

pH Accuracy

  • ±0.02 pH

Temperature Accuracy

  • ±0.5°C
  • ±1°C (extended range)

Calibration

  • Automatic one-point
  • Automatic two-point

Temperature Compensation

  • Automatic

Display

  • LCD

Functions

  • HOLD
  • Auto calibration
  • Buffer selection

Ideal Applications

  • Water quality testing
  • Drinking water analysis
  • Wastewater treatment
  • Environmental monitoring
  • Chemical laboratories
  • Food and beverage industry
  • Agriculture
  • Hydroponics
  • Educational laboratories
  • Industrial process monitoring
  • Water quality testing
  • Drinking water analysis
  • Wastewater treatment
  • Environmental monitoring
  • Chemical laboratories
  • Food and beverage industry
  • Agriculture
  • Hydroponics
  • Educational laboratories
  • Industrial process monitoring

COD Photometer

The Reyocto Salinity Sensor is an industrial-grade digital sensor designed for continuous online measurement of salinity in water treatment, aquaculture, desalination, and industrial process applications. Built with a durable graphite measuring cell and corrosion-resistant PPS housing, it delivers stable and reliable salinity measurements even in demanding environments. Featuring RS-485 Modbus RTU communication, automatic or manual temperature compensation, and IP68-rated protection, the sensor integrates seamlessly with PLC, SCADA, and Industrial IoT systems for accurate real-time water quality monitoring.

  • Continuous online salinity measurement.
  • Graphite measuring cell for stable and repeatable performance.
  • Wide measuring range up to 100,000 mg/L.
  • Automatic and manual temperature compensation.
  • Digital RS-485 Modbus RTU communication.
  • Programmable Modbus Slave ID.
  • Supports multiple conductivity constants (K=0.01, K=0.1, K=1, K=10).
  • Configurable low, medium, and high measurement ranges.
  • One-point calibration with data initialization support.
  • Durable PPS housing for excellent chemical resistance.
  • IP68-rated waterproof construction for continuous immersion.
  • Adjustable cable length and multiple threaded installation options.

Measurement Modes

  • Photometer
  • Digital pH Measurement

Measurement Parameters

  • Chemical Oxygen Demand (COD)
  • pH
  • Absorbance
  • Water Quality Parameters

Optical System

  • LED light source
  • Silicon photocell detector
  • Optical filters
  • Reference detector

Photometer Range

  • 0.000 to 4.000 Abs

Photometer Resolution

  • 0.001 Abs

Photometer Accuracy

  • ±0.003 Abs

Number of Test Methods

  • 98 pre-programmed methods

pH Measurement Range

  • -2.00 to 16.00 pH

pH Resolution

  • 0.01 pH

pH Accuracy

  • ±0.01 pH

Temperature Compensation

  • Automatic

pH Calibration

  • Two-point calibration
  • Five selectable buffer standards

Data Logging

  • Up to 1000 readings

Display

  • Backlit LCD

Connectivity

  • USB Host
  • USB Device

Power Supply

  • Rechargeable lithium-polymer battery
  • USB power adapter

Supported Sample Containers

  • Standard round cuvettes
  • 16 mm reagent vials
  • Water quality laboratories
  • Wastewater treatment plants
  • Drinking water testing
  • Environmental monitoring
  • Industrial process water analysis
  • Municipal water utilities
  • Food and beverage quality control
  • Pharmaceutical laboratories
  • Chemical laboratories
  • Research institutions
  • Educational laboratories
  • Boiler and cooling water analysis
  • Environmental compliance testing
  • Industrial quality assurance
  • Routine laboratory water analysis

Industrial pH Transmitter

The Reyocto Turbidity Sensor is an industrial digital sensor designed for continuous measurement of turbidity in drinking water, wastewater, industrial process water, and environmental monitoring applications. Based on the scattering light measurement principle, it provides highly accurate turbidity measurements with excellent stability and repeatability. Featuring RS-485 Modbus RTU communication, IP68/NEMA6P protection, and flexible calibration options, the sensor delivers reliable real-time monitoring for automated water quality systems.

  • Continuous industrial pH monitoring.
  • Dual acid and alkaline dosing control.
  • Independent acid and alkaline setpoints.
  • Large easy-to-read digital display.
  • Automatic and manual operating modes.
  • Built-in electrode diagnostic functions.
  • Offset and amplifier verification tests.
  • Adjustable alarm tolerance.
  • Compatible with standard pH electrodes.
  • Supports amplified electrodes and transmitters.
  • Selectable recorder output configuration.
  • Front-panel membrane keypad controls.
  • Splash-resistant front panel.
  • Panel-mounted industrial design.
  • Easy installation and maintenance.
  •  

Measurement Parameter

  • pH

Measurement Range

  • 0.00 to 14.00 pH

Resolution

  • 0.01 pH

Accuracy

  • ±0.02 pH

Calibration

  • Manual offset calibration
  • Manual slope calibration

Dosing Control

  • Independent acid dosing control
  • Independent alkaline dosing control

Setpoint Adjustment

  • Separate acid setpoint
  • Separate alkaline setpoint
  • Coarse and fine adjustment

Alarm Function

  • Adjustable alarm tolerance

Diagnostic Functions

  • Sensor test
  • pH 7 offset test
  • pH 4 amplifier test

Electrode Compatibility

  • Standard BNC pH electrodes
  • Amplified pH electrodes
  • 4–20 mA transmitter input

Recorder Output

  • Selectable 0–20 mA
  • Selectable 4–20 mA

Auxiliary Output

  • ±5 V supply for amplified electrodes

Temperature Sensor

  • Pt100 temperature sensor connection

Installation

  • Panel mounted

User Interface

  • Membrane keypad
  • LED status indicators
  • Digital display
  • Water treatment plants
  • Wastewater treatment systems
  • Chemical processing industries
  • Neutralization systems
  • Industrial process control
  • Cooling water treatment
  • Boiler water treatment
  • Food and beverage processing
  • Pharmaceutical manufacturing
  • Environmental monitoring
  • Industrial automation
  • General pH process control

pH Controller

The HANNA BL931700 Panel Mounted pH Indicator & Controller is a compact industrial controller designed for continuous pH monitoring and automatic dosing control in water treatment and industrial process applications. It combines accurate pH measurement with configurable relay control, 4-20 mA output, adjustable setpoint, and dosing timer functions for dependable process automation. Compatible with standard pH electrodes, the BL931700 is ideal for panel-mounted installations where reliable pH regulation is essential.

  • Continuous pH monitoring and control.
  • Panel-mounted industrial design.
  • Compatible with standard BNC pH electrodes.
  • Manual pH calibration.
  • Adjustable pH setpoint.
  • Acid or alkaline dosing selection.
  • Adjustable overtime safety control.
  • Relay-controlled dosing output.
  • 4–20 mA recorder output.
  • External dosing disable contact.
  • Multi-color LED status indication.
  • OFF, AUTO, and ON operating modes.
  • Compact installation.
  • Suitable for industrial automation.
  •  

Measurement Parameter

  • pH

Measurement Range

  • 0.00 to 14.00 pH

Resolution

  • 0.01 pH

Accuracy

  • ±0.02 pH

Calibration

  • Manual offset and slope adjustment

Control Mode

  • Acid dosing
  • Alkaline dosing

Setpoint

  • Adjustable

Relay Output

  • Dosing relay

Analog Output

  • 4–20 mA

Power Options

  • 12 VDC
  • 115/230 VAC
  • Water treatment plants
  • Chemical dosing systems
  • Industrial process control
  • Cooling towers
  • Wastewater treatment
  • Neutralization systems
  • Swimming pools
  • Process water monitoring
  • Manufacturing plants
  • Environmental monitoring

Spectrophotometer

The Reyocto FloPro-Mag Electromagnetic Flow Meter is a high-performance flow measurement solution designed for accurate monitoring of conductive liquids in industrial, municipal, and water treatment applications. Available in sizes ranging from DN15 to DN200, it provides reliable flow measurement with an accuracy of ±0.5% of the measured value. Featuring multiple body and electrode material options, remote or integral transmitter configurations, LCD display, and 4–20 mA plus RS485 outputs, the FloPro-Mag offers seamless integration with industrial automation and process control systems.

  • High-accuracy electromagnetic flow measurement.
  • Suitable for conductive liquids.
  • Available in sizes from DN15 to DN200.
  • Measurement accuracy of ±0.5% of the measured value.
  • Remote and integral transmitter options.
  • LCD display for real-time flow monitoring.
  • 4–20 mA and RS485 communication outputs.
  • Supports ANSI and DIN flange standards.
  • Multiple body, flow tube, and electrode material options.
  • Rugged IP65-rated enclosure.
  • Low maintenance with no moving parts.
  • Designed for industrial process automation.

Flow Meter Type:

  • Electromagnetic Flow Meter

Nominal Size:

  • DN15 – DN200

Accuracy:

  • ±0.5% of Measured Value

Working Pressure:

  • Up to 25 Kg/cm²

Flow Tube Material:

  • SS304
  • SS316

Electrode Material:

  • Hastelloy
  • SS316

Body Material:

  • MS
  • SS304
  • SS316

Flange Material:

  • MS
  • SS304
  • SS316

Flange Standard:

  • ANSI / DIN

Power Supply:

  • 110–230 VAC, 50 Hz

Protection Rating:

  • IP65

Transmitter Type:

  • Remote
  • Integral (Standard)

Display:

  • LCD

Signal Output:

  • 4–20 mA
  • RS485

The Reyocto FloPro-Mag Electromagnetic Flow Meter is ideal for:

  • Water treatment plants
  • Wastewater treatment plants
  • Industrial process water
  • Chemical processing industries
  • Food & beverage manufacturing
  • Pharmaceutical industries
  • Irrigation systems
  • Cooling water systems
  • Mining and mineral processing
  • Municipal water distribution
  • Process automation
  • Industrial flow monitoring

Turbidimeter

The HANNA HI98703 Portable Turbidimeter is a high-accuracy EPA-compliant instrument developed for measuring turbidity in drinking water, wastewater, and environmental water samples. Equipped with a precision optical system, multiple measurement modes, advanced calibration, GLP functions, data logging, and USB/RS232 connectivity, it provides dependable turbidity measurements for laboratory and field applications.

  • Measures turbidity in NTU.
  • EPA Method 180.1 compliant.
  • High-precision optical system.
  • Tungsten lamp with dual detectors.
  • Multiple measurement modes.
  • Continuous and averaging measurements.
  • Two to four-point calibration.
  • GLP calibration records.
  • Internal data logging.
  • USB and RS232 connectivity.
  • Tag Identification System (TIS).
  • Splash-resistant portable design.
  • Large backlit LCD.
  • Carrying case included.
  • Measurement Parameter

    • Turbidity

    Measurement Unit

    • NTU

    Measurement Range

    • 0.00 to 1000 NTU

    Measurement Method

    • Nephelometric

    Standards

    • USEPA Method 180.1
    • Standard Method 2130 B

    Light Source

    • Tungsten filament lamp

    Detection System

    • Scattered light detector
    • Transmitted light detector

    Calibration

    • 2, 3, or 4-point calibration

    Logging Capacity

    • 200 measurements

    Communication

    • USB
    • RS232

    Display

    • Backlit LCD

    Power Supply

    • Batteries
    • AC adapter
  • Drinking water testing
  • Wastewater monitoring
  • Surface water analysis
  • Environmental laboratories
  • Municipal water treatment
  • Industrial water quality control
  • Research laboratories
  • Regulatory compliance testing
  • Educational institutions
  • Field water monitoring

Accesories and Solutions

HANNA Accessories & Solutions are designed to enhance the performance, accuracy, and longevity of Hanna analytical instruments. This comprehensive range includes high-quality electrodes, probes, calibration solutions, cleaning solutions, and storage solutions that support reliable measurements across laboratory, industrial, environmental, and water quality applications. Manufactured to Hanna’s strict quality standards, these accessories ensure consistent instrument performance, simplified maintenance, and dependable analytical results.

  • Genuine Hanna replacement accessories.
  • Ensures accurate measurement performance.
  • Improves instrument reliability.
  • Extends sensor service life.
  • High-quality laboratory-grade materials.
  • Compatible with Hanna instruments.
  • Easy installation and replacement.
  • Supports routine maintenance procedures.
  • Reliable calibration and verification.
  • Suitable for laboratory and field use.
  • Durable construction for demanding environments.
  • Professional quality assurance standards.
  • Genuine Hanna compatible accessories.
  • Professional laboratory-grade construction.
  • High purity chemical formulations.
  • Reliable sensor replacement components.
  • Durable chemical resistant materials.
  • Stable calibration solution performance.
  • Easy installation and maintenance.
  • Compatible with multiple Hanna instruments.
  • Designed for long-term reliability.
  • Suitable for laboratory and industrial use.
Model No. RNGpHN-01
Measuring Principle Electrolyte
Measuring Range 0-14 pH, 10°C-110°C
Accuracy 0.1 pH
Resolution 0.001 pH
Working Condition 0-110°C
  • Laboratory analysis
  • Water quality testing
  • Environmental monitoring
  • Industrial process control
  • Wastewater treatment
  • Drinking water analysis
  • Chemical laboratories
  • Research laboratories
  • Educational institutions
  • Routine instrument maintenance
Model No. RNGpHN-01
Measuring Principle Electrolyte
Measuring Range 0-14 pH, 10°C-110°C
Accuracy 0.1 pH
Resolution 0.001 pH
Working Condition 0-110°C

Why Choose Hanna Instruments?

Globally Trusted Brand

Hanna Instruments is trusted worldwide for delivering reliable analytical equipment with exceptional measurement accuracy across laboratory and industrial applications.

Comprehensive Testing Solutions

A complete portfolio of meters, controllers, photometers, transmitters, and laboratory instruments supports diverse water quality monitoring requirements.

Exceptional Measurement Accuracy

Every instrument is engineered to provide precise, repeatable, and dependable results for critical water quality and process measurements.

Designed for Industrial & Laboratory Use

Products are built to perform reliably in demanding industrial facilities, laboratories, research centers, and environmental monitoring applications.

Easy Operation and Maintenance

Intuitive interfaces, simple calibration procedures, and durable construction ensure efficient operation with minimal maintenance requirements.

Genuine Hanna Instruments from Reyocto

Reyocto supplies authentic Hanna Instruments products with expert guidance, helping customers choose the right analytical solution for every application.

Ready to Achieve Reliable Water Testing with Hanna Instruments?

Struggling with inconsistent water quality measurements or unreliable testing equipment? Reyocto provides genuine Hanna Instruments designed to deliver precise analysis, dependable performance, and confident decision-making for laboratory, industrial, and environmental applications.

FAQ's

Frequently Asked Questions

Yes. Hanna Instruments are widely used for industrial water treatment, process control, environmental monitoring, wastewater analysis, and laboratory testing, providing accurate measurements and dependable performance across demanding operational environments.

Benchtop pH Meters, Conductivity Meters, Multiparameter Meters, Spectrophotometers, and COD Photometers are ideal for laboratory applications requiring highly accurate, repeatable measurements and comprehensive water quality analysis.

Yes. Hanna offers multiparameter instruments capable of measuring pH, EC, TDS, temperature, dissolved oxygen, salinity, and additional water quality parameters depending on the selected instrument and application requirements.

Yes. Hanna offers multiparameter instruments capable of measuring pH, EC, TDS, temperature, dissolved oxygen, salinity, and additional water quality parameters depending on the selected instrument and application requirements.

Routine calibration ensures measurement accuracy, maintains instrument reliability, extends sensor lifespan, and helps produce consistent testing results. Using genuine Hanna calibration solutions is recommended for optimal long-term instrument performance.

Reyocto supplies authentic Hanna Instruments backed by expert technical guidance and dependable customer support. We help businesses select the right analytical instruments for water quality testing, laboratory analysis, industrial monitoring, and environmental applications.

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