The PSP1020CD is a light duty pH probe for continuous monitoring of surface water and ground water, including environmental and industrial source water monitoring. The durable Ultem® body permits use in the field, while conferring chemical compatibility. Double junction reference protection allows use in environments that contain reference fouling contaminants, including heavy metals. Fully integrated cable comes in a 3 meter standard length, with custom cables available by request.

  • Durable and low maintenance: Ultem® body construction, reinforced meter connection, and sealed reference design
  • Allows monitoring in variable chemical environments: Double junction reference protection prevents reference cell contamination
  • Accurate measurementsacross full pH scale (0-14)
  • Instantly ready for use: Shipped in storage bottle for long shelf life – guaranteed for 3 months
  • Compatible with any meter accepting a BNC connector
  • 3 months limited warranty: We stand behind all our products with the RH system Guarante


  • Measurement Range: 0-14 pH (low NA+ ion    error)
  • Response Time: 95% in 1 second
  • Isopotential: 7.00 pH
  • Offset: 0.2%
  • Span: > 97%
  • Connector: BNC
  • Cable Length: 10 feet (3 meters)
  • Warranty: 3 months limited warranty
  • Diameter: 12mm
  • Length: 150mm
  • Reference: Sealed
  • Junction Number: Double (2)
  • Junction Material: Pellon
  • Reference Solution: 3.5 M KCl/AgCl/KNO3 (gel)
  • Glass Shape: Bulb
  • Body Material: Ultem
  • Temperature Range: 0-80° C
  • Pressure Range: 0-600 kPa
  • Strain Relief: No
  • BNC Boot: Yes
  • Bulb Protection: Teeth