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Online Ion Meter NOIM-100

Online Ion Meter NOIM-100

Online Ion Meter NOIM-100

Online Ion Meter NOIM-100 measures ion concentrations from 0 to 35,500 mg/L for precise analysis. It can be equipped with an ion-selective sensor to provide specific measurements of ion concentrations. The shell is crafted from PPS material ensuring corrosion resistance and durability. It includes a color LCD for displaying multiple parameters simultaneously, such as ion concentration, temperature, and current.


Measurement Range 0 to 35500mg/L(ppm)
Measurement Principle Ion electrode method
Resolution 0.01mg/L(ppm)
Basic Error ± 2.5%
Display Temperature 0 to 150 °C
ISE Sensor Working Temperature 0 to 50 °C
Temperature Resolution 0.1°C
Temperature Accuracy ± 0.3°C
Temperature Compensation 0 to 60.0°C
Temperature Compensation Modes Manual and automatic
Working Temperature -10 to 60°C
Relative Humidity ≤ 90%
Electrode Residual Signal < 1‰
Working Conditions No strong magnetic field interference except the geomagnetic field
Waterproof Rating IP65
Response Time 25°C<60S
35°C<30S (To attain 90%)
Stability At constant pressure and temperature, the weekly drift <2%F•S
Current Output Two: 4 to 20mA, 20 to 4mA, 0 to 20mA (load resistance <750Ω)
Communication Output RS485 MODBUS RTU
Relay Control Set-Points 3A 250VAC
3A 30VDC
Power Consumption ≤ 3W
Power Supply 85 to 265VAC
9 to 36VDC
Dimensions 98 × 98 × 130 mm
Weight 0.6 kg



Online Ion Meter is utilized to continuously monitor and control ion concentration and temperature in aqueous solutions, including industrial wastewater, surface water, drinking water, seawater, and industrial process control.

Optional Accessories

Ammonium Ion Sensor (0.1 to 1000mg/L)

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