Overview
Enviro Testers water ammonia nitrogen sensor is a conventional water quality monitoring digital ammonia nitrogen sensor. It is made of industrial online electrode and PVC membrane ammonium ion selective electrode. It can selectively test the ammonium ion content in water with fast response and accurate measurement. Built in temperature sensor, which can automatically compensate temperature, is suitable for online long-term monitoring environment.
Features
- Digital sensor with Rs-485 output (MODBUS or RTU support)
- Built-in temperature sensor for automatic compensation
- Replaceable, cost-effective ammonium ion membrane head
- 3 or 4″ NPT upper and lower mounting thread for easy installation
- Low power consumption and internal circuit anti-interference design
- Optional pH and potassium ion compensation for reduced interference
Technical Specifications
| Measure Item | Parameter |
| Output | RS 485, MODBUS or RTU Communication Protocol |
| Measuring Method | Membrane covered ion selective method |
| Range | 0 mg or L to 10.0 mg or L or 0 mg or L to 100.0 mg or L（pH range 4 to 10） |
| Accuracy | ±5%F.S. or ±3mg or L large value is preferred |
| Resolution | 0.1mg or L |
| Calibration Method | Two-point calibration |
| Response Time | 30 second T90 |
| Temperature Compensation | Automatic temperature compensation (Pt100) |
| Power Supply | 12 VDC or 24 VDC±10%，10 mA; |
| Protection Level | IP68；Water depth:20 m； |
| Cable | 5m（Default）, Or Customization |
| Shell Material | POM；Or Customization |
| Working Temperature | 32 °F to 104 °F (0 ℃ to 40 ℃) ；<0.2 MPa; |
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