NG # 04036-HW-FST-011
MF # FST100-AT101A
The FST100-AT101A Water Ammonium Nitrogen Sensor is a high-performance digital water quality sensor designed for accurate measurement of ammonium ion (NH₄⁺) concentration in water. Utilizing an ion-selective PVC membrane electrode with automatic temperature compensation, it delivers reliable real-time monitoring for industrial water treatment, wastewater management, environmental monitoring, and aquaculture applications. The sensor features an RS-485 Modbus RTU interface, IP68 protection, and simple immersion installation for long-term field operation.
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Custom Pricing
Get A QuoteThe FST100-AT101A Water Ammonium Nitrogen Sensor is engineered for continuous online monitoring of ammonium nitrogen in water systems. Built with a patented ammonium ion-selective electrode, the sensor provides stable and accurate measurements while offering extended service life through its advanced reference electrode design.
With integrated automatic temperature compensation (Pt1000), the sensor maintains measurement accuracy under changing environmental conditions. Its digital RS-485 Modbus RTU communication enables seamless integration with PLCs, DCS systems, industrial controllers, SCADA systems, and other monitoring equipment.
The rugged IP68-rated enclosure ensures dependable operation in harsh industrial and outdoor environments. Its standard 3/4" NPT threaded connection supports both immersion and pipeline installations, making it suitable for wastewater treatment plants, industrial process monitoring, aquaculture, environmental water quality monitoring, and municipal water management applications.
| Specification | Details |
|---|---|
| Product Model | FST100-AT101A |
| Measurement Principle | PVC membrane ammonium ion-selective electrode |
| Measured Parameter | Ammonium Ion (NH₄⁺) |
| Measuring Range | 0–100.00 mg/L (0.01 mg/L resolution); 0–1000.0 mg/L (0.1 mg/L resolution) |
| Accuracy | ±10% of reading or ±1 mg/L, ±0.5°C |
| Operating Temperature | 0°C to 40°C |
| Operating Pressure | <0.1 MPa |
| pH Range | 4–10 pH |
| Temperature Compensation | Automatic (Pt1000) |
| Output Signal | RS-485, Modbus RTU |
| Power Supply | 12–24 VDC |
| Power Consumption | 0.2 W @ 12 V |
| Housing Material | ABS, PVC, POM |
| Installation Method | 3/4" NPT threaded immersion installation |
| Cable Length | 5 m (custom lengths available) |
| Calibration Method | Two-point calibration |
| Protection Rating | IP68 |
| Typical Applications | Wastewater treatment, industrial water monitoring, environmental monitoring, aquaculture, water treatment plants, process control systems |
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