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HM Digital Water Quality Meters and Testers

Manufacturer Image: HM DigitalHM Digital manufactures economical hand-held and in-line water quality meters and monitors. They can be used for residential and light commercial applications, such as measuring if Reverse Osmosis membranes operate properly. Typical water meters measure TDS, pH, electrical conductivity, temperature and more. TDS meters measure total dissolved solids (TDS) levels. A TDS meter is an effective way to compare rejection rates and gauge reverse osmosis membrane, water filter and water purification performance.


TDS-3 TDS Meter Water Tester by HM Digital

TDS-3 Handheld Meter With Carrying Case
SKU: HMD-TDS-3
Price: $22.20
TDS-EZ TDS Meter Water Tester by HM Digital

TDS-EZ Water Quality Tester
SKU: HMD-TDS-EZ
Price: $15.59
HM Digital COM-100 TDS and Temperature Water Meter

COM-100 TDS Water Meter
SKU: HMD-COM-100
Price: $59.95
PH-200 Waterproof pH Meter by HM Digital

PH-200 Waterproof pH Meter
SKU: HMD-PH-200
Price: $79.95
In-Line TDS Meter Monitor by HM Digital SM-1

SM-1 In-Line TDS Monitor
SKU: HMD-SM-1
Price: $24.50
In-Line Dual TDS Meter Monitor by HM Digital

DM-1 In-Line Dual TDS Monitor
SKU: HMD-DM-1
Sale Price: $29.99
FLM-3 Water Filter Monitor by HM Digital

FLM-3 Water Filter Monitor
SKU: HMD-FLM-3
Price: $39.95
TDS Meter Calibration Solution 1000ml

TDS Calibration Solutions
SKU: HMD-TDS-CS
Price: $5.99


pH Buffer Solution Variety Pack
SKU: HMD-pH-BS
Price: $9.75