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HM Digital

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HM Digital 1000 PPM Calibration Solution
For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity lev..
$6.50
HM Digital Aquapro TDS Water Tester
Measures total dissolved solids (TDS) and temperature. Automatic Temperature Compensatio..
$42.95
HM Digital Handheld TDS-3 Tester
Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and ..
$36.95
HM Digital In-Line Dual TDS Monitor
Displays TDS levels of the feed water and product water with in & out electrode probes. H..
$41.95
HM Digital pH 80 Meter
Resolution: pH 0.1 pH, 0.00 - 14.0 pH. Accurate to ..
$62.95
HM Digital pH Electrode Storage Solution
Always make sure your sensor is kept in an electrode storage solution.  If dry, refill the pH meter ..
$7.95
HM Digital Replacement Probe for pH
Measures pH and Temperature. Auto-ranging three point calibration with digital fine tuni..
$41.95
HM Digital Water Resistant Ec/TDS Meter w/  Temperature in C/F Hydrotester (Model COM-80)
Measures electrical conductivity (EC), total dissolved solids (TDS).  Exellent for nutrient te..
$47.95
HM Digital Waterproof pH Meter
Measures pH and Temperature. Auto-ranging three point calibration with digital fine tuni..
$99.95
HM Waterproof EC/TDS/Temp Combo Meter
Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Thr..
$76.95