Bluelab Meters
Bluelab Meters
Precision Bluelab Meter for Reliable Every Measurement
Bluelab Meters
Precision Bluelab Meters for Reliable Every Measurement
Bluelab Meters are engineered to deliver accurate pH, conductivity, nutrient, and ORP measurements for hydroponics, agriculture, horticulture, and water quality applications. Reyocto offers genuine Bluelab Meters that help growers and professionals monitor critical parameters with confidence, ensuring healthier crops, optimized nutrient management, and consistent growing conditions through reliable measurement technology.
- Accurate Readings
- Fast Response
- Durable Design
- Professional Performance
- Accurate Measurement
- Global Industry Standard
- Easy Calibration
Bluelab Meters We Offer



Bluelab Combo Meter
Product Description
The Bluelab Combo Meter is a professional all-in-one handheld meter designed to accurately measure pH, conductivity (EC, CF, ppm 500, ppm 700), and temperature in nutrient solutions. Built for hydroponics, greenhouses, indoor cultivation, and commercial horticulture, it provides the essential measurements growers need to maintain optimal nutrient conditions and maximize plant health.
Featuring a replaceable double-junction pH probe, factory-calibrated conductivity and temperature sensors, automatic temperature compensation, and a large LCD display, the Combo Meter delivers fast, reliable readings with minimal maintenance. Its lightweight, battery-powered design and 2-metre probe cables make testing quick and convenient in reservoirs, tanks, and growing systems.
Key Features
- Measures pH, Conductivity (EC, CF, ppm 500, ppm 700), and Temperature in one portable device.
- Replaceable double-junction pH probe for dependable long-term performance.
- Factory-calibrated conductivity and temperature sensors require no calibration.
- Simple two-point pH calibration for accurate pH measurements.
- Automatic temperature compensation for conductivity readings.
- Large, easy-to-read LCD display.
- Switchable nutrient units: EC, CF, ppm 500, and ppm 700.
- Selectable temperature units: °C and °F.
- Over-range, under-range, and low battery indicators.
- Auto power-off function to conserve battery life.
- Lightweight handheld design with 2-metre (6.6 ft) probe cables.
- Powered by 2 × AAA alkaline batteries.
Technical Specifications
The Bluelab Combo Meter is ideal for:
- Hydroponic growing systems
- Greenhouses and controlled environment agriculture
- Indoor grow rooms
- Commercial horticulture and nurseries
- Nutrient reservoir monitoring
- Vertical farming systems
- Coco coir, Rockwool, and soil-based cultivation
- Plant research laboratories
- Educational agriculture and horticulture institutions
- Professional growers requiring precise nutrient management
| 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 |
Ideal Applications
Measurement Range:
- pH: 0.0 – 14.0 pH
- Conductivity: 0.0 – 9.9 EC | 0 – 99 CF | 0 – 4950 ppm (500 ppm/TDS) | 0 – 6930 ppm (700 ppm/TDS)
- Temperature: 0 – 50°C (32 – 122°F)
Resolution:
- pH: 0.1 pH
- Conductivity: 0.1 EC | 1 CF | 10 ppm (500 ppm/TDS) | 10 ppm (700 ppm/TDS)
- Temperature: 1°C (1°F)
Accuracy (at 25°C / 77°F):
- pH: ±0.1 pH
- Conductivity: ±0.1 EC | ±1 CF | ±50 ppm | ±70 ppm
- Temperature: ±1°C (±2°F)
Calibration:
- pH: Two-point calibration (pH 7.0 & pH 4.0 or pH 10.0)
- Conductivity: Factory calibrated (No calibration required)
- Temperature: Factory calibrated (No calibration required)
Temperature Compensation:
- Automatic for conductivity measurements.
Operating Environment:
- 0 – 50°C (32 – 122°F)
Power Supply:
- 2 × AAA alkaline batteries
Probe Cable Length:
- 2 metres (6.6 feet)
| 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 |


Bluelab Combo Meter with Soil pH Pen
Product Description
The Bluelab Combo Meter Plus is a professional all-in-one handheld meter designed for growers who need fast, accurate measurement of pH, conductivity (EC, CF, ppm 500, ppm 700), and temperature in nutrient solutions, while also measuring pH directly in growing media. Featuring the rugged Bluelab Leap™ pH Probe with a toughened spear tip, it enables direct root-zone testing in soil, coco coir, Rockwool, potting mixes, and other growing substrates without the need for slurries or extractions. Lightweight, portable, and battery-powered, the Combo Meter Plus provides reliable measurements for precision nutrient management across a wide range of growing environments.
Key Features
- Measures pH, Conductivity (EC, CF, ppm 500, ppm 700), and Temperature in nutrient solutions.
- Measures pH directly in growing media including soil, coco coir, Rockwool, and potting mixes.
- Includes the Bluelab Leap™ pH Probe with a toughened spear tip for direct root-zone measurements.
- Lightweight, handheld, and portable design.
- Large, easy-to-read LCD display.
- Simple push-button two-point pH calibration.
- Factory-calibrated conductivity and temperature sensors require no calibration.
- Automatic temperature compensation for conductivity measurements.
- Switchable nutrient units: EC, CF, ppm 500, and ppm 700.
- Selectable temperature units: °C and °F.
- Multimedia-friendly for measurements across different growing environments.
- Over-range, under-range, and low battery indicators.
- Auto power-off function to extend battery life.
- Powered by 2 × AAA alkaline batteries.
- 2-metre (6.6 ft) probe cables for flexible testing.
Technical specifications
Measurement Range:
- pH: 0.0 – 14.0 pH
- Conductivity: 0.0 – 9.9 EC | 0 – 99 CF | 0 – 4950 ppm (500 ppm/TDS) | 0 – 6930 ppm (700 ppm/TDS)
- Temperature: 0 – 50°C (32 – 122°F)
Resolution:
- pH: 0.1 pH
- Conductivity: 0.1 EC | 1 CF | 10 ppm (500 ppm/TDS) | 10 ppm (700 ppm/TDS)
- Temperature: 1°C (1°F)
Accuracy (at 25°C / 77°F):
- pH: ±0.1 pH
- Conductivity: ±0.1 EC | ±1 CF | ±50 ppm | ±70 ppm
- Temperature: ±1°C (±2°F)
Calibration:
- pH: Two-point calibration (pH 7.0 & pH 4.0 or pH 10.0)
- Conductivity: Factory calibrated (No calibration required)
- Temperature: Factory calibrated (No calibration required)
Temperature Compensation:
- Automatic for conductivity measurements
Operating Environment:
- 0 – 50°C (32 – 122°F)
Power Supply:
- 2 × AAA alkaline batteries
Probe Cable Length:
- 2 metres (6.6 feet)
Display:
- Large LCD display
Nutrient Units:
- EC | CF | ppm 500 (TDS) | ppm 700 (TDS)
Temperature Units:
- °C / °F
Ideal Applications
The Bluelab Combo Meter Plus is ideal for:
- Hydroponic nutrient solution monitoring
- Direct root-zone pH testing
- Soil-based cultivation
- Coco coir growing systems
- Rockwool growing media
- Potting mixes and container plants
- Greenhouses and commercial horticulture
- Indoor grow rooms
- Vertical farming systems
- Plant nurseries and propagation
- Agricultural research and laboratories
- Professional growers requiring accurate media and solution measurements





Bluelab Truncheon Nutrient Meter
Product Description
The Bluelab Truncheon Nutrient Meter is a rugged, handheld conductivity meter designed to accurately measure nutrient strength in hydroponic and irrigation solutions. With EC, CF, ppm 500, and ppm 700 scales built directly into the meter, it provides quick, easy-to-read conductivity measurements without the need for calibration. Featuring a waterproof design, Blueglow light display, automatic temperature compensation, and auto on/off functionality, the Truncheon Nutrient Meter delivers dependable performance for growers who need a durable, low-maintenance solution for monitoring nutrient concentration in any growing environment.
Key Features
- Measures nutrient conductivity using EC, CF, ppm 500, and ppm 700 scales.
- No calibration required – factory calibrated for long-term accuracy.
- Blueglow LED light display for easy reading in any lighting condition.
- Fully waterproof construction for reliable everyday use.
- Automatic temperature compensation for accurate conductivity readings.
- Auto turn on/off function for convenient operation and extended battery life.
- Durable handheld design for professional and commercial growing environments.
- Instant conductivity readings with simple dip-and-read operation.
- Easy-to-read integrated conductivity scale.
- Suitable for nutrient reservoirs, tanks, and irrigation systems.
- Powered by 3 × AA batteries.
- Backed by a 5-year limited warranty.
Technical specifications
Measurement Range:
- Conductivity: 0.2 – 3.6 EC | 2 – 36 CF | 100 – 1800 ppm (500 ppm/TDS) | 140 – 2520 ppm (700 ppm/TDS)
Resolution:
- Conductivity: 0.1 EC | 1 CF | 50 ppm (500 ppm/TDS) | 70 ppm (700 ppm/TDS)
Accuracy:
- Conductivity: ±0.1 EC | ±1 CF | ±50 ppm (500 ppm/TDS) | ±70 ppm (700 ppm/TDS)
Calibration:
- Factory calibrated (No calibration required)
Temperature Compensation:
- Automatic
Operating Environment:
- Temperature: 0 – 50°C (32 – 122°F)
Power Supply:
- Batteries: 3 × AA alkaline batteries
Display:
- Blueglow LED conductivity display
Water Resistance:
- Fully waterproof
Operation:
- Automatic On/Off function
Ideal Applications
The Bluelab Truncheon Nutrient Meter is ideal for:
- Hydroponic nutrient solution monitoring
- Greenhouse irrigation systems
- Commercial horticulture
- Indoor grow rooms
- Reservoir nutrient strength testing
- Coco coir and soilless growing systems
- Vertical farming
- Plant nurseries and propagation
- Fertigation system monitoring
- Agricultural research and educational facilities
- Professional growers requiring quick conductivity measurements
- Routine EC and nutrient concentration management



Bluelab ORP Meter
Product Description
The Bluelab ORP Meter is a compact, handheld meter designed to accurately measure Oxidation-Reduction Potential (ORP) in millivolts (mV), helping growers monitor water sanitization and nutrient solution quality. Compatible with the optional Bluelab pH Probe, the meter also provides precise pH measurement, making it a versatile solution for hydroponics, greenhouses, and commercial horticulture. Featuring a backlit LCD display, simple mode switching, factory-calibrated ORP measurement, and a durable ORP probe with a 2-metre cable, the Bluelab ORP Meter delivers fast, dependable readings to support healthy crops and efficient nutrient management.
Key Features
- Measures Oxidation-Reduction Potential (ORP) in millivolts (mV).
- Compatible with the optional Bluelab pH Probe for pH measurements.
- Easily switch between ORP and pH measurement modes.
- Factory-calibrated ORP measurement requires no calibration.
- Simple two-point or three-point pH calibration with 30-day calibration indicator.
- Large backlit LCD display for clear readings.
- Standard BNC connector for quick and secure probe connection.
- Compact, lightweight handheld design for easy portability.
- Low battery indicator for uninterrupted operation.
- Automatic power-off after approximately 4 minutes of inactivity.
- Includes ORP probe with 2-metre (6 ft) cable.
- KCl-filled storage cap helps maintain probe hydration and extend probe life.
- Powered by 2 × AAA alkaline batteries.
Technical specifications
Measurement Range:
- ORP: ±1000 mV
- pH (Optional Probe): 0.0 – 14.0 pH
Resolution:
- ORP: 1 mV (10 mV in the negative range: -1000 to 0 mV)
- pH: 0.1 pH
Accuracy (at 25°C / 77°F):
- ORP: ±5 mV
- pH: ±0.1 pH
Calibration:
- ORP: Factory calibrated (No calibration required)
- pH: Two-point or Three-point calibration (pH 7.0 & pH 4.0 and/or pH 10.0)
Operating Environment:
- Temperature: 0 – 50°C (32 – 122°F)
Power Supply:
- Batteries: 2 × AAA alkaline batteries
Probe Connection:
- Standard BNC connector
Included Probe:
- Bluelab ORP Probe with 2-metre (6 ft) cable
Display:
- Backlit LCD display
Auto Power-Off:
- Automatically powers off after approximately 4 minutes of inactivity
Compatible Probe:
- Optional Bluelab pH Probe (sold separately)
Ideal Applications
The Bluelab ORP Meter is ideal for:
- Hydroponic nutrient solution monitoring
- Water sanitization and disinfection monitoring
- Greenhouse irrigation systems
- Commercial horticulture
- Indoor grow rooms
- Reservoir water quality testing
- Vertical farming systems
- Plant nurseries and propagation
- Aquaculture water quality management
- Agricultural research laboratories
- Professional growers monitoring ORP and pH
- Controlled environment agriculture (CEA)




Bluelab Pulse Multimedia ECMC Meter
Product Description
The Bluelab Pulse™ Meter is an advanced handheld root zone meter that provides instant, direct measurements of moisture content, nutrient levels (EC), and temperature within growing media. Designed for commercial growers, greenhouses, hydroponics, and controlled environment agriculture, it eliminates the need for slurry or extraction testing by measuring directly in the root zone. With Bluetooth® connectivity, intelligent Blink™ status indicators, customizable media calibration, and the Bluelab Pulse™ App, it helps growers make informed irrigation and nutrient management decisions for healthier crops and improved yields.
Key Features
- Measures moisture, nutrient (EC), and temperature directly in the root zone.
- Direct measurements in soil, coco coir, mixed media, and nutrient solutions.
- Bluetooth® connectivity with the Bluelab Pulse™ App.
- Stores over 2,000 measurements for offline data collection and synchronization.
- Blink™ indicators provide instant in-range or out-of-range feedback.
- Radio Frequency (RF) technology for non-destructive root zone measurements.
- Automatic temperature compensation for accurate readings.
- Supports custom calibration to maximum water holding capacity.
- Multiple measurement modes for different growing media.
- Internal memory automatically syncs with the mobile app.
- Durable stainless-steel probes for long-lasting performance.
- Compact, lightweight handheld design.
- Powered by a single AA alkaline battery.
- Ideal for precision irrigation and fertigation management.
Technical specifications
Measurement Range:
- Conductivity: 0 – 15 EC
- Moisture Content: 5% – 70% MCvol
- Temperature: 5 – 40°C (40 – 104°F)
Resolution:
- Conductivity: 0.1 EC
- Moisture Content: 1% MCvol
- Temperature: 0.1°C / 0.1°F
Accuracy:
- Conductivity: 0.0 – 6.0 EC: ±0.1 EC | 6.1 – 15.0 EC: ±0.2 EC
- Moisture Content: ±5% MCvol
- Temperature: ±1°C (±1°F)
Calibration:
- User calibration for maximum water holding capacity (WHC)
- Supports calibrated and volumetric moisture measurements
Temperature Compensation:
- Automatic
Measurement Modes:
- Mixed Media
- Mixed Media (Coir)
- Nutrient Solution
Connectivity:
- Bluetooth® wireless connection to the Bluelab Pulse™ App
Data Storage:
- Internal memory for over 2,000 measurements
Probe Length:
- 200 mm (8″)
Probe Separation:
- 50 mm (2″)
Active Tip Length:
- 50 mm (2″)
Minimum Pot Size:
- 2 Litres (0.5 Gallon)
Power Supply:
- 1 × AA alkaline battery
Compatible Devices:
- Android 5.0 and later
- Apple iOS 12.1 and later
Certifications:
- CE
- FCC
Ideal Applications
The Bluelab Pulse™ Meter is ideal for:
- Hydroponic growing systems
- Greenhouses and commercial horticulture
- Indoor grow rooms
- Vertical farming
- Soil and potting mix cultivation
- Coco coir growing systems
- Root zone nutrient monitoring
- Precision irrigation management
- Fertigation optimization
- Plant nurseries and propagation
- Agricultural research
- Controlled Environment Agriculture (CEA)
Why Choose Bluelab Meters?
Exceptional Measurement Accuracy
Bluelab Meters delivers precise readings for pH, EC, temperature, and ORP, supporting confident monitoring and informed decisions.
Trusted by Professionals
Widely preferred by commercial growers, laboratories, and agricultural experts for dependable testing across various applications.
Built for Daily Use
Durable construction withstands frequent testing while maintaining consistent performance in demanding agricultural and industrial environments.
Easy to Operate
Simple controls and clear displays allow users to perform accurate measurements quickly with minimal training or experience.
Supports Better Crop Management
Reliable measurement data helps optimize nutrient delivery, improve plant health, and maximize productivity throughout every growing cycle.
Genuine Bluelab Products from Reyocto
Reyocto supplies authentic Bluelab Meters backed by expert guidance, helping customers choose the right instrument for their applications.
Need an Accurate Bluelab Meter for Better Growing Results?
Looking for a dependable Bluelab Meter to monitor pH, conductivity, nutrients, or ORP? Reyocto provides genuine products, expert assistance, and reliable solutions tailored to your application requirements.
FAQ's
Frequently Asked Questions
What parameter can the Bluelab Meters measure?
Bluelab Meters accurately measure essential parameters such as pH, electrical conductivity (EC), temperature, nutrient strength, and oxidation-reduction potential (ORP), depending on the model selected for your application.
Which Bluelab Meters are best for hydroponic growing systems?
The Bluelab Combo Meter is one of the most popular choices for hydroponic growers, offering accurate pH, EC, and temperature measurements to maintain ideal nutrient solutions and healthy plant growth.
Does the Bluelab Truncheon Nutrient Meter require regular calibration?
No. The Bluelab Truncheon Nutrient Meter is designed for dependable conductivity measurements without routine calibration, making it a convenient and reliable solution for everyday nutrient monitoring.
Why is an ORP meter important for water quality monitoring?
A Bluelab ORP Meter measures oxidation-reduction potential, helping users evaluate water, sanitation, and treatment effectiveness for applications requiring clean, safe, and properly maintained water quality.
Can Bluelab Meters be used for commercial agriculture and horticulture?
Yes. Bluelab Meters are widely used in hydroponics, greenhouses, horticulture, commercial agriculture, research facilities, and water quality monitoring, where accurate and consistent measurements are essential.
Why should I purchase genuine Bluelab Meters from Reyocto?
Reyocto supplies authentic Bluelab Meters backed by expert product guidance, helping customers select the right instrument while ensuring reliable performance, dependable support, and long-term measurement accuracy.
Digital pH Sensor
Measure the acidity or alkalinity of liquids with high accuracy for water treatment, aquaculture, agriculture, and industrial processes.


Specifications
| pH | Conductivity | Temperature | |
| Measurement range: | 0.0 – 14.0 pH | 0.0 – 9.9 EC 0 – 99 CF 0 – 4950 ppm (500 ppm/TDS) 0 – 6930 ppm (700 ppm) | 0 – 50°C 32 – 122°F |
| Resolution: | 0.1 pH | 0.1 EC, 1 CF 10 ppm (500 ppm) 10 ppm (700 ppm | 1°C 1°F |
| Accuracy at 25°C or 77°F, or 2.77 EC: | ±0.1 pH | ±0.1 EC, ±1 CF ±50 ppm ±70 ppm | ± 1°C ± 2°F |
| 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 |
Digital Conductivity Sensor
Monitor oxygen levels in water to ensure optimal conditions for aquaculture, wastewater treatment, and environmental monitoring applications.


Specifications
| Model No. | RNGpHN-01 |
| Measuring Principle | Scattering light method |
| Measuring Range | mV: -1999-+1999 Tem: (0-50.0)°C |
| Accuracy | Conductivity+- 20 us/cm Temperature:+-0.5°C |
| Resolution | Conductivity: 1us/cm Temperature: 0.1°C |
| Working Condition | 10 to 45°C |
