HM Digital Meters

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HMD500
HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM-500 pH/EC/TDS/°F...
$296.70 $359.00 -17%
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HMDSPP5
HM-500 Replacement pH probe 2 Meter / 80 inch cable length Includes pH storage solution, 6-month warranty
$49.67 $59.99 -17%
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HMDSPC5
The HM Digital Hydromaster EC/TDS Probe is a replacement part for the HydroMaster HM-500.
$41.39 $49.99 -17%
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HMDPHM80
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. FEATURES Measures pH and temperature One-touch automatic digital...
$38.53 $46.50 -17%
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HMDCOM80
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. Measures electrical conductivity (EC), total dissolved solids...
$37.71 $42.95 -12%
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HMDTDS3
Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurement range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the...
$22.76 $33.99 -33%
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HMDC1000
NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.
$8.74 $9.49 -8%
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HMOPSTOR
For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).    
$7.02 $8.49 -17%
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