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Home > HM Digital

HM Digital TDS Total Dissolved Solids Water Quality Meters

HM Digital manufactures economical hand-held and in-line TDS meters that measure total dissolved solids (TDS) levels of feed and product water lines simultaneously. A TDS meter is an effective way to compare rejection rates and gauge reverse osmosis membrane, water filter and water purification performance.



HM Digital COM-100 TDS and Temperature Water Meter

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

PH-200 Waterproof pH Meter
SKU: HMD-PH-200
Our Price: $79.95
TDS-3 TDS Meter Water Tester by HM Digital

TDS-3 Handheld Meter With Carrying Case
SKU: HMD-TDS-3
Our Price: $22.20
AP-1 AquaPro Water Meter by HM Digital TDS

AP-1 AquaPro TDS Water Tester
SKU: HMD-AP-1
Our Price: $25.79
In-Line Dual TDS Meter Monitor by HM Digital

DM-1 In-Line Dual TDS Monitor
SKU: HMD-DM-1
Sale Price: $29.99
FM-2 Water Filter Monitor by HM Digital

FM-2 Water Filter Monitor
SKU: HMD-FM-2
Our Price: $39.95
TDS Meter Calibration Solution 1000ml

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


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



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HM Digital TDS Total Dissolved Solids Water Quality Meters