Hydro Axis pH Meter Pen Tester - Ozdingo Marketplace Skip to content
Ozdingo - Australia's Marketplace
Ozdingo - Australia's Marketplace

pH Meter Digital Pen Tester Hydro Axis Handheld Portable Hydroponics Aquariums

Original price $80.00
Current price $54.99
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Hydro Axis Pen testers are easy to use and portable, and the range includes both pH and EC meters. They are suitable for both hydroponic and aquarium users.


  • Range: 0 - 14 pH
  • Resolution: 0.1 pH
  • Accuracy: + or - 0.1 pH
  • Typical EMC DEV Batteries: 4x 1.5V (AG-13 Button battery)
  • Life: Approx. 700 hours of use
  • Dimensions (mm): 150 (h) x 29 (w) x 15 (d)
  • Weight: 51g
  • Batteries: 4x Button Cell Batteries


  • On-off switch
  • Battery case
  • Display
  • Immersion level
  • Electrode
  • Calibration timer
  • Pocket clip
  • Protective cap
  • Protective case

Package Includes

1x Hydro Axis pH Meter Pen with batteries and case.


  • Swallowing may lead to serious injury in as little as 2 hours or death, due to chemical burns and potential perforation of the oesophagus.
  • If you suspect your child has swallowed or inserted a button battery immediately call the 24-hour Poisons Information Centre on 13 11 26 for fast, expert advice.
  • Examine devices and make sure the battery compartment is correctly secured, e.g. that the screw or other mechanical fastener is tightened. Do not use it if the compartment is not secure.
  • Dispose of used button batteries immediately and safely. Flat batteries can still be dangerous.
  • Tell others about the risk associated with button batteries and how to keep their children safe.