NG # 04026-HW-FST-001
MF # FST100-PH105
The FST100-PH105 PH Meter is a high-performance industrial pH sensor designed for continuous online water quality monitoring. Utilizing the glass electrode method, it provides accurate pH and temperature measurement with automatic temperature compensation. Featuring RS485 Modbus/RTU and 4–20 mA outputs, IP68 protection, and a durable PPS housing, it is ideal for water treatment, industrial processes, environmental monitoring, and wastewater applications.
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Get A QuoteThe FST100-PH105 PH Meter is an intelligent water quality sensor engineered for reliable and precise pH measurement in demanding industrial environments. It measures both pH and liquid temperature in real time using a glass indicator electrode and reference electrode, ensuring stable and accurate performance even during continuous operation.
Designed for seamless integration into industrial automation systems, the sensor supports RS485 communication with Modbus/RTU protocol as well as a standard 4–20 mA analog output. Its dual high-impedance differential amplifier provides excellent resistance to electrical interference and delivers fast response times.
With an IP68-rated enclosure, rugged PPS construction, and NPT 3/4 threaded connection, the FST100-PH105 is suitable for submerged installations as well as mounting in pipelines and tanks. It is widely used in water treatment plants, wastewater treatment, chemical processing, food and beverage production, pharmaceuticals, metallurgy, aquaculture, environmental monitoring, and municipal water systems.
| Parameter | Specification |
|---|---|
| Product Model | FST100-PH105 |
| Sensor Type | Intelligent pH Sensor |
| Measurement Principle | Glass Electrode Method |
| pH Measurement Range | 0 to 14 pH |
| Measurement Accuracy | ±0.1 pH |
| Temperature Measurement Range | 0°C to 60°C |
| Temperature Compensation | Automatic |
| Output Signal | RS485 (Modbus RTU), 4–20 mA |
| Communication Protocol | Modbus RTU |
| Housing Material | PPS |
| Connection Thread | NPT 3/4 |
| Pressure Range | 0 to 4 bar |
| Cable Length | 5 m (customizable) |
| Protection Rating | IP68 |
| Installation | Submersible, Pipeline, Tank Mounting |
| Compatible Systems | PLC, DCS, SCADA, Industrial Controllers, Recorders |
| Applications | Water Treatment, Wastewater Monitoring, Environmental Monitoring, Chemical Industry, Food & Beverage, Pharmaceuticals, Aquaculture, Metallurgy, Municipal Water Systems |
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