PH-80 - pH Water Testing Meter

HM Digital PH-80 meter, delivered ready for immediate use.

£49.15 £40.96
In stock
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The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

HM Digital introduces its new pH water testing meter, a line of handheld PH/ORP meters with a sleek design that's perfect for today's modern environment.

This is a modern lightweight meter that is delivered calibrated and ready for use. HM Digital are the leader in producing, affordable, long lasting and accurate water testing meter. This item is delivered ready calibrated but if you wish to purchase the recalibration fluid we do keep this in stock too.


  • Measures pH and temperature
  • One-touch automatic digital calibration
  • Water resistant
  • Simultaneous temperature display
  • Sleek, lightweight design
  • Large LCD display
  • Automatic Temperature Compensation (ATC)
  • Auto-off function, data-hold function and low-battery indicator
  • Includes storage solution in a sponge embedded in a translucent cap
  • Factory calibrated: The PH-80 meter is factory calibration to pH 7.0. The meter can easily and quickly be recalibrated with digital calibration to pH 4.0, 7.0 or 10.0 using the meter's simple one-touch process.
  • Includes a cap, batteries, storage solution and pH 7.0 buffer 


  • pH Range: 0 - 14 
  • Temperature range: 1-55 °C; 32-130 °F 
  • Resolution: 0.1 pH; Temperature resolution is 0.1 °C/F 
  • Accuracy: +/- 0.2 pH; Temperature accuracy is +/-2%
  • Calibration: Digital automatic calibration (one point) 
  • Electrode: Glass sensor and reference tube electrodes 
  • Housing: water resistant 
  • Power source: 3 x 1.5V button cell batteries (model 357A; included) 
  • Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) 
  • Weight: 53.9 g (1.9 oz)

NOTE for owners of the PH-80: Your PH-80 is shipped with the sponge in the cap dry. Prior to use, pour a small amount of storage solution from the Mylar packet into the sponge so that the sponge is moist (not dripping wet). Put the cap back on and allow to soak for 15 minutes (standing upright) prior to use. Additional electrode storage solution is available for purchase.

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