Digital pH ORP Meter
The PHG-2081S Digital pH/ORP Meter is an industrial-grade online analyzer designed for continuous monitoring of pH, ORP (Oxidation Reduction Potential), and temperature in water treatment and process applications. It features RS485 Modbus communication, dual 4-20mA outputs, data logging, and a rugged IP65-rated design for reliable operation in harsh industrial environments.
Key Highlights
- Continuous online pH, ORP, and temperature monitoring
- RS485 Modbus communication for seamless system integration
- Dual isolated 4-20mA outputs for process control applications
- Industrial-grade IP65-rated enclosure for harsh environments
- Suitable for water treatment, wastewater, and industrial process monitoring
Product Overview
The PHG-2081S Digital pH ORP Meter is a high-performance online water quality analyzer designed for continuous monitoring of pH, ORP (Oxidation Reduction Potential), and temperature in industrial and environmental applications. Engineered for reliability and accuracy, the device integrates seamlessly with digital pH/ORP sensors via RS485 Modbus communication, enabling real-time data acquisition and centralized process control. Featuring a wide measurement range, high-precision readings, and dual isolated 4–20mA outputs, the PHG-2081S provides dependable performance for water treatment plants, wastewater facilities, chemical processing industries, power plants, and other critical process environments
Key Features & Capabilities
Enterprise-grade technology designed for mission-critical operations
Multi-parameter measurement
Measures pH, ORP, and temperature simultaneously for comprehensive water quality monitoring
RS485 Modbus communication
Enables reliable integration with SCADA, PLC, and industrial control systems
Dual 4-20mA outputs
Provides flexible analog signal transmission for process monitoring and control
Industrial-grade protection
IP65-rated enclosure ensures reliable operation in demanding industrial environments
Technical Specifications
Key technical details and performance specifications
| Specification | Details |
|---|---|
| Product | PHG-2081S Digital pH ORP Meter |
| Function | Online measurement of pH, ORP, and temperature |
| Sensor Type | Digital pH/ORP Sensor with RS485 Modbus |
| Measurement Range | -2.00 to 16.00 pH; -2000 to +2000 mV; -30.0 to 130.0°C |
| Accuracy | ±0.01pH±1%FS±0.5°C |
| Resolution | 0.01pH1mV0.1°C |
| Power Supply | 90 – 260V AC 50/60Hz |
| Housing Material | ABS |
| Communication | RS485 Modbus |
| Data Recording Function | Yes |
| Protection Rating | IP65 |
| Current Output | 2 isolated 4-20mA outputs |
| Relay Outputs | Two relays for high/low limits and one cleaning relay |
| Overall Dimensions | 144 x 144 x 104 mm |
| Hole Size | 138 x 138 mm |
| Installation | Panel, wall, or pipe mounted |
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