We are open 7 days a week.  9am to 5pm Monday to Friday and 10am until 3pm weekends.  (Bank Holidays vary)

Covid restrictions remain in our shop to protect you and our staff, thank you.

Welcome to our new website, its far from finished but we are working hard, please bear with us.

Sentek Specialises in the manufacture and production of pH and Conductivity Sensor and other electrochemical sensors for water based applications.

The glass is formulated and the pH Sensors hand blown by highly skilled glass blowers guaranteeing the highest quality in pH electrodes. Perfect to use with the Thermo Scientific Alpha pH 560 pH Controller.

  • Ph Range: 0-14
  • EO Point: -30mV to +30mV
  • Temp Range: 0-100
  • Response Time: 45 Secs 95% FSD
  • Ref. Type: AgCI, Double Junction
  • Junction Type: Porous Teflon
  • Diameter: 150 mm x 25.9 mm
  • Connector : BNC (others available on request)
  • Combination: Yes
  • Body Type: Ryton
  • Thread Size: 3/4 inch NTP
  • Wetted Materials: Glass, Teflon, Ryton (PPS)
  • Application: General Purpose, Dip Type PH
  • Cable Length: 5 m (others available on request)