Product Description


Introducing the CM-230D Industrial Conductivity Meter, an advanced evolution in our company's esteemed line of conductivity monitoring instruments. This state-of-the-art product builds upon its predecessors, maintaining the reliable performance you've come to expect.
The innovative digital circuit of this meter, powered by a single-chip microcomputer, ensures precise measurement and accurate temperature compensation. This product represents the pinnacle of technological advancement.
Designed for excellence, it excels in on-line conductivity measurement and monitoring of water treatment systems, including seawater desalination and wastewater reuse. It offers unrivaled ease of use, straightforward operations, and exceptional performance.
Detailed Photos



Main Features of the Instrument
Equipped with intelligent automatic range switching for seamless measurement transitions.
Includes an automatic zero calibration feature to ensure utmost precision.
Displays temperature values with a convenient switching function for enhanced data interpretation.
Features panel input with a cell constant for refined conductivity measurements.
Offers customizable conductivity value limits with upper and lower alarm settings that trigger control electric shock outputs.
Incorporates a unique alarm control delay setting for adaptable monitoring.
Provides an isolated 4-20mA current signal output, ensuring reliable and versatile data transmission.




Measuring range |
0.1 electrode: 0~200μS/cm |
1.0 Electrode: 0~2000μS/cm |
10.0 Electrode: 0~20000μS/cm |
Accuracy |
±1%FS |
Stability |
±1%(FS)/24h |
Resolution |
0.01μs/cm; 0.1μS/cm; 1μS/cm |
Display Mode |
128*64 dot matrix LCD |
Temperature compensation |
0~60ºC; Automatic (NTC10K) |
Signal output |
Isolated RS485 (standard Modbus-RTU protocol) |
Isolation 4~20mA, maximum loop resistance 750Ω |
Alarm output |
One set of high and low limit alarm contacts respectively (5A/250VAC) |
Normally open contact relay |
Power supply |
AC220V±10% 50Hz/60Hz (customizable) |
Power consumption |
≤3W |
Environmental conditions |
Temperature 0~60ºC; Humidity ≤95%RH |
Dimensions |
96*96*78mm |
Opening size |
92*92mm |
Electrode material |
Plastic, stainless steel, polytetrafluoroethylene |
