Electrochemical SensorsTL-PH Series
pH / ORP Sensor

Electrochemical Sensors
pH / ORP Sensor
TL-PH Series
Digital pH and ORP sensor with RS485 Modbus RTU output. IP68, 0–14 pH range, ±0.1 pH accuracy.
Request a QuoteProduct Overview
The TL-PH Series digital pH/ORP sensors use a glass electrode measurement principle with built-in temperature compensation. Designed for continuous online monitoring in water treatment, chemical dosing control, and industrial process applications. RS485 Modbus RTU output enables direct integration with PLCs and SCADA systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Measurement Principle | Glass electrode |
| pH Range | 0–14 pH |
| ORP Range | -1999 to +1999 mV |
| Accuracy | ±0.1 pH / ±5 mV |
| Temperature Range | 0–80°C |
| Pressure | 0–6 Bar |
| Signal Output | RS485 Modbus RTU / 4-20mA |
| Power Supply | 12–24 VDC |
| Connection | 3/4" NPT Thread |
| Protection | IP68 |
| Cable Length | 5m (customizable) |
| Material | POM / SS316L |
Key Features
- Built-in automatic temperature compensation (ATC)
- 2-point or 3-point calibration
- Anti-fouling design for continuous immersion
- Compatible with TL display controllers and third-party SCADA
Typical Applications
Water treatment plantsChemical dosing controlWastewater monitoringSwimming poolsFood & beverage
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