Walchem - WDS Differential pH and ORP Sensor

Walchem’s WDS Series differential pH and ORP sensors are designed for industrial applications to be long-lasting and reliable.

Call 800-370-0439 for pricing
Part Number
  • 999-568-033
Manufactured
Availability
  • Call for availability

Features

  • Replaceable salt bridge for long life
  • Field proven differential design
  • Transmits signal 3,000 feet (915 meters)
  • Walchem preamplifier models are compatible with Walchem controllers
  • Conventional preamplifier models are compatible with GLI and Aquametrix (Lisle Metrix) controllers
  • Resistant to ground loop problem
  • Measurement Performance
  • Range
    • pH:  0 to 14
    • ORP:  -2000 to 2000 mV
  • Sensitivity
    • pH:  0.001
    • ORP:  0.1 mV
  • Stability
    • pH:  0.03 pH per day, non-cumulative
    • ORP:  2 mV per day, non-cumulative
  • Temperature
    • pH:  23 to 203°F
    • ORP:  -5 to 95°C
  • Pressure Limit
    • pH:  100 psi @ 149°F
    • ORP:  0.7 MPa @65°C
Walchem's WDS Series differential pH and ORP sensors are designed for industrial applications to be long-lasting and reliable. Differential measurement technique uses two electrodes, one for the process measurement and the other for the reference measurement.