HM Digital

HM Digital is a leading supplier of water testing equipment around the world. We have included seven test meters in our range - the pH-80, COM-80, COM-100, EC-3, EC-3M, AP-2 and TDS-3. These hand held meters should suit most requirements hydroponics, aquaponics and aquarium applications.

HM Digital
ph-80
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Com-80
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Com-100
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AP-2
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EC-3
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EC-3M
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TDS-3
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Meter Batteries

Meter Batteries

  • 1.4 volt
  • Zinc-Air Battery
  • 6 batteries per pack. Suits all HM Digital pens above (except AP-2)
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