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KWS-250C NH4-N Ammonia Nitrogen Sensor – Stainless Steel Casing
Introduction
The KWS-250C integrated online ammonia nitrogen sensor is fabricated using a PVC membrane-based ammonium ion selective electrode for testing ammonium ion content in water with temperature compensation to ensure fast, simple, accurate and economical testing.
Feature
- Signal output: RS-485 bus, Modbus/RTU protocol, convenient to connect to PLC,DCS, industrial control computer, general controller, paperless recording instrument or touch screen and other third-party equipment.
- The patented ammonium ion probe, the internal reference solution oozes extremely slowly from the microporous salt bridge at a pressure of at least 100 KPa (1 Bar). Such a reference system is very stable and has a longer electrode life than conventional industrial electrodes.
- Easyto install: 3/4 NPT thread (pipe thread) for easy submersible installation or installation in pipes and tanks.
- IP68 protectiongrade.
Dimension
Electrical connection
- Red wire-power cord（12～24V）
- Black wire-ground wire（GND）
- Blue Line-485A
- White Line-485B
- Bare wire-shield layer
| Model | KWS-250 |
|---|---|
| Range | 0～10mg/L or 0~100mg/L |
| Resolution | 0.01mg/L |
| Accuracy | ±10% or ±1 mg/L, which is bigger |
| Operating Temperature | 0～40℃ |
| Work Pressure | ＜0.1MPa |
| Ph Range of Medium | 4～10 pH |
| Temperature Compensation | automatic temperature compensation (Pt1000) |
| Power Supply | 12～24VDC ±10% |
| Output | RS485, Modbus/RTU |
| Material | Stainless Steel |
| Installation | 3/4”NPT, submersible installation |
| Cable Length | 5m, customizable |
| Calibration | two-point calibration |
| Power Consumption | ＜0.3W@12V |
| Protection Grade | IP68 |
Online Ammonia Nitrogen Sensor Tutorial | Introduction + Wiring + Read Data
