CS Request a Quote Email usrxmarinegroup @ gmail.com DocumentsRequest MSDS / TDS Test Kit For Water-62 Conductivity Standard 1000µs Product code RXSOL-62-5525-200 Request a Quote Email Us The 100uS/cm conductivity solution allows calibration of instruments with a conductivity scale of up to 200 uS/cm for the measurement of pure or distilled water.