pH or ORP monitor, influent/effluent control, adjustable, reversible transmitter, 2 relays and BNC.


1/4 DIN panel mount pH/ORP controller/transmitter with dual SPDT Hi/Lo relays, manual set points and calibration are via potentiometers. Features a 4-20 mA current output and has an external pH/ORP select switch. Display is a large bright red LED display. Connectors are a BNC input and spade lug screw type connector blocks. Meter requires a Pt-100 ATC or temp. simulation resistor. Power 115/230V AC.

  • Isolated 4 to 20 mA output
  • Dual on/off relays
  • Large led display
  • ATC
  • 115VAC /230VAC operations
  • Compact 1/4 DIN case
  • Low power solid state design
  • Front panel output current span adjustable control
  • Front panel acid/base influent select switch
  • Front panel high/low relay format select switch