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HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy,Blue & White
SAR 110
HM Digital PH-STOR pH Electrode Storage Solution for Use with PH-200 or PH-80, 60cc Volume
SAR 53
HM Digital HM-100, Continuous PH/EC/TDS/Temp Monitor
SAR 893
HM Digital 716137 Hydromaster Portable
SAR 939
HM Digital SM-1 1-Stage Inline TDS Monitor For Single Water Line
SAR 135
-19%
HM Digital ORP-200 Waterproof ORP Meter, -999 to +1000 mV ORP Range, 1 mV Resolution, +/- 0.5% Readout Accuracy
SAR 459
HM Digital PSC-154 TDS/EC Controller with 4-20mA Output, 0-9999 µS Measurement Range, 0.1 µS/ppm Resolution, +/-2% Readout Accuracy
SAR 906
HM Digital unisex adult Pocket science lab ph meters, Brown, Without Digital Thermometer US
SAR 83
HM Digital Triple Inline RO/DI TDS Monitor with 1/4 inch T-Fittings
SAR 174
HM Digital Com-300 Ph/Tds/EC/Temp Meter
SAR 480
-17%
HM Digital 716160 COM-100 Waterproof Professional Series Combo Meter, 7", White/Purple
SAR 260
HM Digital PH-200 Waterproof pH Meter, 0-14.00 pH Range, 0.01 pH Resolution, +/- 0.02 pH Readout Accuracy
SAR 316
-7%
HM Digital HMPH80 HMDPHM80 Digital pH/Temperature Meter, 0-14 pH Range, 1 pH Resolution, 2% Readout Accuracy, Purple
SAR 146
HM Digital Meters HMDTDS3 3 Handheld TDS Meter
SAR 76
HM Digital PSC-150 Extended Range EC/TDS Controller, 0-9999 µS Measurement Range, 0.1 µS/ppm Resolution, +/-2% Readout Accuracy
SAR 915
-33%
Commercial In-Line Dual TDS Monitor
SAR 202
HM Digital COM-100 HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter, 2.1" x 2.9" x 8.9", White/Purple
SAR 261
HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy
SAR 73
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy
SAR 144
-28%
HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume, Transparent/Blue
SAR 49
HM Digital Flow Monitor 891144000465
SAR 230
HM Digital COM-300L: Waterproof Professional Series pH/EC/TDS/Temp Meter
SAR 847
-27%
HM Digital 1000ppm TDS Calibration Solution
SAR 53
-6%
HM Digital DM-3 Inline Dual TDS/EC Monitor Meter, Upgraded DM-2 DM-2EC
SAR 270
HM Digital EC-3M EC Meter Testing Electrical Conductivity for Water
SAR 97
HM Digital DM-2EC-25A Testing Electrical Conductivity Inline Dual EC Monitor Meter for Water
SAR 261
HM Digital AP-2 AquaPro Water Quality Electrical Conductivity Tester, 0-9999 µS Range, 1 µS Resolution, +/- 2% Readout Accuracy , Black
SAR 100
HM Digital Commerical In-Line Dual TDS Monitor
SAR 199
HM Digital Single in-Line SM-1 TDS Monitor 0-9990 ppm
SAR 129
