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RAT Multi Series Portable Electrode Method Water Quality Analyzer
The RAT Multi Series Portable Electrode Method Water Quality Analyzer is a dual-channel, high-precision instrument designed for comprehensive pH, conductivity, and dissolved oxygen measurement in both laboratory and field environments. Using advanced electrode-based measurement technology, the analyzer delivers rapid, stable, and accurate readings across multiple water quality parameters. Its intelligent electrode recognition system ensuring reliable data integrity and minimizing operator error. With an IP67 waterproof rating, intuitive interface, one-touch operation, and flexible accessory configurations, the RAT Multi Series provides a professional-grade solution for environmental monitoring, aquaculture, wastewater treatment, and industrial process control.
Key Features:
● Dual-Channel Multi-Parameter Measurement:
Simultaneously supports pH, conductivity, resistivity, TDS, salinity, and dissolved oxygen (DO) measurements with fast response and high accuracy.
● Intelligent Electrode Management Technology:
Automatically identifies connected electrodes and transfers calibration data from the electrode’s internal chip, ensuring secure data handling and reducing operational errors.
● High Measurement Accuracy & Stability:
Designed for precise electrode-based testing with automatic temperature compensation and multi-point calibration.
● User-Friendly Interface:
Intuitive menu navigation with quick parameter switching before or after measurement for efficient, seamless operation.
● Robust waterproof design:
Instrument rated IP67 suitable for indoor, outdoor, and harsh field environments.
● One-Touch Operation & Data Storage:
Easy single-key operation for measurement, calibration, and storage; internal memory stores up to 999 data sets with fast recall.
● Lightweight and portable:
Lightweight 0.4 kg body, comfortable grip, and anti-slip design enhance portability and on-site usability.
● Flexible Accessory Options:
Compatible with electrode clips, anti-slip hand grips, device stands, protective frames, and optional carrying cases for improved mobility and operability.
● Versatile Power Supply:
Operates on 4×AA batteries or Type-C charging, supporting long field sessions without interruption.
Technical Specifications
Item | Parameter |
Dissolved Oxygen (DO) | |
Measurement Range | 0.00–20.00 mg/L (ppm) |
Resolution | 0.01 mg/L (ppm) / 0.1 % |
Accuracy | ±0.1 mg/L |
Response Time | ≤15 s (25°C, 90% response) |
Residual Current | ≤0.01 nA |
Temperature Compensation Range | 0–60°C (Automatic) |
Pressure Compensation Range | 0–200 kPa (Manual) |
Salinity Compensation Range | 0.00–80.00 ppt (Manual) |
Salinity Compensation Error | 2% |
Calibration Functions | Zero Calibration, Air Calibration |
Electrode Type | Polarographic Type |
Conductivity | |
Measurement Range | 0.00–19.99 μS/cm 20.0–199.9 μS/cm 200–1999 μS/cm |
TDS | 0.00–2000.00 mg/L |
Salinity | 0.00–100.00 ppt |
Resistivity | 0.00–100.00 MΩ·cm |
Resolution | 0.001 / 0.01 / 0.1 μS/cm |
Accuracy | ±1.0% FS |
Temperature Compensation Range | 0–100°C (Automatic) |
Electrode Constant | 0.1 / 1 / 10 cm⁻¹ |
Calibration Function | Yes, 5-point calibration |
pH | |
Measurement Range | 0.00–14.00 pH |
Resolution | 0.01 / 0.001 pH |
Accuracy | ±0.001 pH |
Temperature Compensation Range | 0–100°C (Automatic / Manual) |
Calibration Function | Yes, 5-point calibration |
ORP (Oxidation-Reduction Potential) | |
Measurement Range | -1200.0 – 1200.0 mV |
Resolution | 0.1 mV |
Temperature | |
Measurement Range | -5–105°C |
Resolution | 0.1°C |
Accuracy | ±0.1°C |
Calibration Function | Yes, 1-point calibration |
Basic Parameters | |
Data Storage | 999 sets |
Stored Data | ID number, measurement value, unit, and temperature |
Power Supply | 4 × AA batteries (1.5V × 4) or Type-C power input |
Dimensions (L × W × H) | 321 × 95 × 45 mm |
Weight (kg) | 0.4 |
Operating Temperature | 5–45°C |
Operating Humidity | ≤95% |
Protection Rating | IP67 (Dustproof and Waterproof) |
Comprehensive operating instructions and technical guidance are provided in the official user manual.
