HM Digital

hfhmdspp2
This spare pH sensor is for HM Digital Waterproof pH Meter model P-200. Features glass pH sensor and reference tube and thermister.
$49.95
Availability: 1 in stock
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hfHMDPHM80
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.
$46.50
Availability: 50 in stock
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hfhmdph200
Measures pH and temperature Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up Waterproof housing Simultaneous temperature display
$101.92
Availability: 10 in stock
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hfhmdcom80
The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.
$42.95
Availability: 10 in stock
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Price

$  â€“  $

  • $42
  • $102