Family Owned and Operated Est.1995

   

HM Digital Handheld Test Instruments

Handheld Test Instruments

HM Digital handheld test instruments are portable, easy-to-use meters designed to quickly spot-check water quality in the field. They are primarily used to measure Total Dissolved Solids (TDS), Electrical Conductivity (EC), pH, and temperature across various industries like hydroponics, aquariums, and water purification systems.
  • TDS & EC Testers: Measure the total concentration of dissolved substances (minerals, salts, metals) in water in parts per million (ppm). They are essential for testing tap water purity, tracking Reverse Osmosis (RO) filter efficiency, and mixing the precise nutrient levels required for hydroponic gardens.
  • pH Meters: Measure the acidity or alkalinity of a liquid. These are crucial for maintaining the delicate chemical balance in swimming pools, spas, aquariums, and nutrient solutions in soil and hydroponics.
  • ORP Meters: Measure Oxidation-Reduction Potential, determining the oxidizing or reducing capacity of water. These are widely used in sanitization applications, such as checking chlorine effectiveness in pools and water treatment facilities.
  • Temperature Measurement: Most HM Digital handhelds feature built-in thermometers. Because water temperature directly affects EC, TDS, and pH readings, these instruments automatically calculate compensations to ensure high-accuracy results.
Products (Total Items: 9)
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HM Digital AP-1 AquaPro Upscale TDS + Temp 0-5000ppm Water Tester Handheld
HM Digital AP-1 AquaPro Upscale TDS + Temp 0-5000ppm Water Tester Handheld
Hurry! Inventory is running low!
$22.95
HM Digital COM-80 HydroTester EC/TDS Commercial Handheld Test Instrument
HM Digital COM-80 HydroTester EC/TDS Commercial Handheld Test Instrument
In Stock.
Free Shipping.
$25.75
HM Digital COM-100 ProSeries EC/TDS/Temp Handheld Field Test Instrument Waterproof
HM Digital COM-100 ProSeries EC/TDS/Temp Handheld Field Test Instrument Waterproof
In Stock.
Free Shipping.
$48.91
HM Digital COM-300 ProSeries EC/TDS/Temp Handheld Test Instrument Waterproof
HM Digital COM-300 ProSeries EC/TDS/Temp Handheld Test Instrument Waterproof
Hurry! Inventory is running low!
$114.95
HM Digital TDS EZ Water Quality Tester TDS Range: 0-9990 ppm Handheld Test Instrument
HM Digital TDS EZ Water Quality Tester TDS Range: 0-9990 ppm Handheld Test Instrument
Hurry! Inventory is running low!
Free Shipping.
$14.99
HM Digital TDS-3 TDS + Temp Commercial Handheld Test Instrument with case
HM Digital TDS-3 TDS + Temp Commercial Handheld Test Instrument with case
In Stock.
Free Shipping.
$15.03
HM Digital ORP-200 ProSeries ORP/Temp ATC Handheld Test Instrument
HM Digital ORP-200 ProSeries ORP/Temp ATC Handheld Test Instrument
Pre Order / Non-Stock
$77.95
HM Digital PH-80 Hydro Tester pH/Temp ATC Handheld Test Instrument
HM Digital PH-80 Hydro Tester pH/Temp ATC Handheld Test Instrument
In Stock.
$28.95
HM Digital PH-200 ProSeries Ph/Temp ATC Handheld Test Instrument
HM Digital PH-200 ProSeries Ph/Temp ATC Handheld Test Instrument
Pre Order / Non-Stock
$60.95
 
 
 
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