RS485 pH ORP Analyzer with Temperature Compensation - 144×144×120mm Panel Mount, ±2000mV Range
Industrial-grade pH ORP analyzer featuring RS485 MODBUS communication, IP66 protection, and temperature compensation. Includes two 0/4-20mA outputs, data recording functions, and OTA remote management for water treatment and industrial process monitoring applications.
This advanced pH ORP analyzer features differential signal input with temperature compensation, designed for precise water quality monitoring in industrial applications. The instrument provides reliable measurement data with remote management capabilities.
- Differential signal input compatible with DRFN pH sensors with grounded electrode
- IP66 rated housing for effective environmental protection
- 3.2-inch 128×64 black and white graphic LCD display
- Two adjustable 0/4-20mA active current loop outputs
- Time history and data recording functions with second-level accuracy
- Two SPST multifunction relays for control applications
- RS485 interface with MODBUS RTU protocol and JSON data format support
| Parameter | Specification |
|---|---|
| Product Model | APX2-G4A/G4D |
| pH Measurement Range | -2 to 16 pH |
| ORP Measurement Range | ±2000 mV |
| Temperature Range | -10 to 150°C / 14 to 302°F |
| Resolution | 0.01 pH / 1 mV / 0.1°C |
| Analog Output | 2 settable 0/4-20mA active current loops |
| Relay Control | 2 settable SPST relays |
| Communication | RS485 MODBUS RTU |
| Power Supply | 100-240V AC |
| Power Consumption | 10W |
| Dimensions | 144×144×120 mm (Panel cutout: 138×138 mm) |
| Weight | 800g |
OTA Remote Management: Features over-the-air download technology for remote software upgrades, fault diagnosis, and parameter configuration. This reduces on-site service requirements and minimizes downtime.
Temperature Compensation: Automatically compensates for temperature variations in aqueous solutions, ensuring accurate pH and ORP measurements by accounting for hardware temperature drift.
- Water treatment monitoring: Drinking water, surface water, groundwater, swimming pools
- Industrial process control: Chemical, petroleum, paper manufacturing, food and pharmaceutical, electroplating, PCB production
| Model | Power Supply |
|---|---|
| APX2-C3A | AC: 100-240V |
| APX2-C3D | DC: 18-36V |
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