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

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)

We aim to dispatch orders received before midday Monday to Friday on the same day where possible. In most cases our items are available for 1 to 2 day delivery at a competitive price and are trackable via DPD or APC.

Delivery costs for standard items in the UK - £5.95

(Surcharges do apply to remote postcodes)

Heavy items - £9.95

Pipe - £14.95

Palletised items - Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet. Standard Pallet charge is approx. £50.00. To ensure there are no delays with delivery, please include a contact number when placing the order.

Overseas – DHL and UPS, cost based on weight / volume at checkout.