Sensorex produces quality NIST tracebable calibration standards. They are available in a variety of TDS (PPM) or Microsiemen values. NIST certificates are also available for a processing fee.

Sensorex currently offers a compact, low cost, loop-powered conductivity transmitter with a 4-20 mA output for use with contacting conductivity probes. Also offered is the TCSMA transmitter for our toroidal inductive sensors. It is perfect for your PLC, Data Logger, or other 4-20 mA input devices.