pH Meters & Testers

pH meters measure the acidity or alkalinity of a solution. Frequently used in agriculture, food processing, laboratories and aquariums, pH meters test the quality of water, soil, food and other substances.

ETI offers a range of pH meters for different budgets and applications, ranging from easy-to-use pocket pH meters to digital pH and temperature meters with interchangeable electrodes.

All of our pH meters can be recalibrated at the touch of a button when used in conjunction with pH buffer solutions.

View the range below to find which pH meter is best for your application.

Choosing & Maintaining an Accurate pH Meter

Learn what to look for when buying a pH meter to ensure the right level of accuracy for your application. Plus, find out how to use and store your pH meter safely for consistently accurate readings.

Product code: 823-503
Brand: N/A

6mm Spear-Shaped pH electrode

  • Ideal for pH measurement of semi-solid and soft materials
  • Accurately measures pH in a variety of applications
  • Ø6 x 120mm
  • Temperature operating range 0 to 80 °C
£100.00
In stock
Product code: 823-501
Brand: N/A
£48.00

General purpose pH electrode

  • Ideal for pH measurement of liquids and semi-solids
  • For food processing, agricultural and laboratory applications
  • Ø12 x 120mm
  • Temperature operating range 0 to 80 °C
£48.00
In stock
Product code: 225-528
Brand: N/A

ETI 8500 Conductivity Meter and tester

  • Measures ppm, mS/cm and temperature
  • Automatic temperature compensation
  • Easy-to-use 1-point recalibration function
  • Polygiene BioMaster product protection
  • Compact and robust design
  • Calibrate using 2.8 mS Nutrient Solution
£110.00
in production
Product code: 813-525
Brand: N/A
£68.00
TDS conductivity testers
  • Truly pocket-sized
  • Easy to read 6mm LCD display
  • Indicates ppm (parts per million) or µS (micro-siemens)
  • Accuracy of ±2% of full scale
Product code: 813-771
Brand: N/A
HortiCare nutrient tester
  • Automatic recalibration facility
  • Measures EC (mS), cF or TDS (ppm) levels
  • Accurately controls nutrient solutions
  • Water-resistant case
£77.00
In stock
Product code: 816-055
Brand: N/A
£10.50

TDS solutions for our range of TDS testers

  • TDS1 solution
  • TDS2 solution
  • TDS3 solution
  • TDS4 soultion
£10.50
Select options
in production - delivery 10-14 working days
Product code: 816-051
Brand: N/A
£10.00
Ready-made pH buffer solutions 
  • Quick, easy & accurate pH calibration
  • Use to calibrate pH meters, testers & probes
  • Convenient ready-made buffer solutions
  • 100ml bottles for 4.01, 7.00 and 10.01 pH
  • 1-litre option for 7.00 pH 

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