HM Digital Meters

HM Digital pH / TDS / EC / Temp meter
HM Digital pH / TDS / EC / Temp meter
Brand: HM Digital
The COM-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS) and temperature. Features include 2 different conductivity conversion factors to …

Item #: 404541
In Stock
List Price: $159.95
Price: $112.89
You Save: $47.06

 


HM Digital Hydromaster Portable
HM Digital Hydromaster Portable
Brand: HM Digital
The HM-200 is a portable handheld meter that monitors pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS) and temperature. Features include 2 different conductivity conversion factors to convert EC to TDS using the 0.5 (NaCl) or 0.7 (442TM), as …

Item #: 404539
In Stock
List Price: $274.95
Price: $193.58
You Save: $81.37

 


HM Digital HydroMaster HM-500
HM Digital HydroMaster HM-500
Brand: HM Digital
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. pH/EC/TDS/°F Tester Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS …

Item #: 402027
In Stock
List Price: $359.00
Price: $243.57
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PH-80: pH HydroTester
PH-80: pH HydroTester
Brand: HM Digital
NEW! 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 …

Item #: 136354
In Stock
List Price: $46.50
Price: $32.83
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EC/TDS/Temp Waterproof Hydro Tester
EC/TDS/Temp Waterproof Hydro Tester
Brand: HM Digital
NEW! 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. FEATURES Measures …

Item #: 137665
In Stock
List Price: $42.95
Price: $25.30
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HM Digital Meter TDS-3 Handheld TDS meter
HM Digital Meter TDS-3 Handheld TDS meter
Brand: HM Digital
Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Features Ideal for commercial use. …

Item #: 131941
In Stock
List Price: $27.95
Price: $16.42
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HM Digital Replacement pH Sensor for PH-200 Meter
HM Digital Replacement pH Sensor for PH-200 Meter
Brand: HM Digital
This spare pH sensor is for HM Digital Waterproof pH Meter model P-200. Features Glass pH sensor and reference tube and thermister.

Item #: 135285
In Stock
List Price: $45.95
Price: $31.95
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HM Digital Meter COM-100 Waterproof EC/TDS/Temp Combo
HM Digital Meter COM-100 Waterproof EC/TDS/Temp Combo
Brand: HM Digital
UPGRADED! (See below) Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, …

Item #: 131940
In Stock
List Price: $76.95
Price: $54.07
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HM Digital Meter AP-1 AquaPro TDS/Temperature Meter
HM Digital Meter AP-1 AquaPro TDS/Temperature Meter
Brand: HM Digital
The HM Digital AquaPro AP-1 Water Quality Tester is a hand-held digital water quality tester which is used to test the amount of total dissolved solids (TDS) and other impurities in your water supply. Useful for both consumers and hobbyists, it can be …

Item #: 134875
In Stock
List Price: $42.95
Price: $25.25
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HM Digital Meter PH-200 Waterproof pH/Temperature Meter
HM Digital Meter PH-200 Waterproof pH/Temperature Meter
Brand: HM Digital
FEATURES 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 …

Item #: 134111
In Stock
List Price: $99.95
Price: $70.54
You Save: $29.41

 


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