This kit is designed to meet your requirements for your wall mount installation. Along with the wall mount adapter, you will have receive a CM-18 calibration module which, when hooked up to the monitor in place of the CS10 sensor, will represenet 18 meg water for a full scale calibration . The Hydro-Check Systems 414R, water resistivity monitor-controller is designed to accurately indicate the quality of high purity and ultrapure water. Application is typically Read More