CM-230K (LED) Conductivity Monitor is a CM-230 Conductivity Meter upgrade products, widely used in ion exchange, reverse osmosis water equipment and general pure raw water aquaculture water conductivity measurement and monitoring. The product of the original CM-230 products for the technology upgrade, with the use of more convenient, more accurate readings, showing more clearly. Innovation:? Microcontroller circuit using automatic temperature compensation calculations and measurements; automatic range switching (0 ~ 20.00,0 ~ 200.0,0 ~ 2000μs/cm); conductivity and temperature values ??switch display; conductivity limit alarm and alarm control output; electrode constant surface frame input; instrument automatically corrects 0:00; alarm delay setting; 220VAC and 24VDC power supply selection (when ordering);