Walchem Membrane Caps for Disinfection Sensors (chlorine dioxide, hydrogen peroxide/peracetic acid, free chlorine/bromine, ozone or peracetic acid).
Nickel or Copper Sensors for Walchem controllers.
pH Buffer Solutions for calibration of pH probes in one pint bottles and other calibration standards.
Shielded or unshielded wire with different numbers of conductors for sensors, switches, meters, etc.
Circuit boards for Walchem controllers.
Walchem Flow Switches with cables for controllers