SH-ISENH4200 Ammonia digital probe
Overview
The SH-ISE NH4 N-200 Ammonia Nitrogen digital probe includes temperature and pH compensation, RS485 interface and standard Modbus protocol, in-situ measurement, no reagents, no pre-treatment and low maintenance.
Product features
- pH- and temperature-compensated electrodes for a wide range of sites
- Each electrode can be replaced independently, simple operation and low maintenance
- Fast response time, real-time detection of ammonia nitrogen in water bodies
- Corrosion-resistant housing, waterproof grade IP68, can work underwater for a long time
- RS485 communication interface, standard Modbus protocol for easy integration.
Technical specifications
| Working Principle | Ion Selective Electrode method |
| Measuring parameter | Ammonia pH Temp |
| Meas. range | Ammonia: (0,05~1000) mg/L 0~14 pH (0~50) °C |
| Repeatability | Ammonia: ≤1% <0,1 pH ≤0.1 °C |
| Accuracy | Ammonia: ±5% o ±0,1mg/L <0,1 pH <0.1 °C |
| pH comp. range | 4~10 |
| Zero drift (24h) | ±1% F.S. |
| Range drift (24h) | ±3% F.S. |
| Precision | Ammonia: 1-1000mg/L: ±5% 0.1-1mg/L: ±0.1mg/L |
| Detection limit | 0,05 mg/L |
| Resolution | 0,01 mg/L |
| Response time | < 30 seconds in a 180 mg/L standard solution |
| Protection class | IP68 |
| Comm interface | RS485, standard Modbus protocol Baud rate 9600 |
| Dimensions | (φ50*251) mm, cable 10 m (customizable) |
| Materials | 316 Stainless-steel/titanium alloy available |
| Weight | 2 kg |
| Operating voltage | 9~36 Vdc |
| Power consumption | 0.5 W |
| Calibration period | 1~3 months (depending on site water quality environment) |
| Operating temp. | (0~50) °C |
Product applications
Environmental surface water, municipal and industrial wastewater, industrial process water