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Yokogawa EXA-PH402 PH/ORP Analyzer Transmitter
Product Introduction: The EXA-PH402 is a 2-wire loop-powered pH/ORP transmitter designed for continuous measurement of pH and oxidation-reduction potential in liquid processes. It provides stable, accurate measurement with advanced diagnostics and is suitable for integration into industrial control systems.
Technical Specifications
- Measurement Types: pH, ORP
- pH Range: -2.00 to 16.00 pH
Detailed content
- ORP Range: -2000 to +2000 mV
- Accuracy: pH ±0.02; ORP ±1 mV
- Output: 4–20 mA DC
- Power Supply: Loop-powered 16.4–30 V DC
- Communication: BRAIN, HART protocol
- Operating Temperature: -20 to +60 °C
- Enclosure: IP67, two-wire compact housing
Key Features
- Advanced self-diagnostic functions
- Automatic temperature compensation
- Stable measurement with long sensor life
- Easy calibration and setup
- High noise immunity
- Suitable for corrosive and hygienic environments
Applications
- Water treatment plants
- Chemical processing
- Pharmaceutical production
- Food and beverage industry
- Wastewater monitoring
