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HM Digital DM-2 In-Line Dual TDS Monitor
(DM-2)The HM Digital DM-2 5-Pack In-Line Dual TDS Monitor is a water tester which is used to test the amount of total dissolved solids (TDS) in water. It is a new model of the HM DM-1 In-Line Dual TDS Monitor. The DM-2 is highly efficient and accurate due to its advanced microprocessor technology. The HM…
Our Price: $ 227.50Retail:$289.95Save:$62.45 (22%)In Stock -
HM Digital ORP-200 ORP Meter Water Tester w/ Temp.
(ORP-200)The HM Digital ORP-200 ORP Meter Water Tester with Temperature Gauge is a water tester used to test the Oxidation Reduction Potential (ORP) in your water supply. It also tests the temperature of water, and features Automatic Temperature Compensation (ATC). Useful for both consumers and hobbyists,…
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Our Price: $ 87.95Retail:$108.99Save:$21.04 (19%)In Stock -
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
(TDS-EZ)The HM Digital TDS EZ water quality tester is ideal for consumers who want to know what is in their drinking water. Get accurate readings fast due to the advanced factory calibrated microprocessor with hold function for convenient reading and recording from the LCD screen. Included is a convenient…
Our Price: $ 19.95Retail:$24.99Save:$5.04 (20%)In Stock -
HM Digital PH-200 Replacement pH Sensor SP-P2
(SP-P2)The HM Digital PH-200 Replacement pH Sensor SP-P2 is a pH testing meter that is ideal for all pH testing applications. This HM Digital pH meter measures pH and temperature, featuring a simultaneous temperature display. This pH monitor has auto-ranging three point calibration with digital fine…
Our Price: $ 50.99Retail:$58.99Save:$8.00 (14%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital PTDS-4TM Pocket Size TDS Meter w/ Temp 10-Pack
(TDS-4TM)The HM Digital PTDS-4TM Pocket Size TDS Meter with Temperature Gauge is a hand held digital water quality tester which is used to test the amount of total dissolved solids (TDS) and other impurities in water. This pocket size HM Digital water test TDS meter is the smallest and lightest TDS meter…
Our Price: $ 22.20Retail:$49.99Save:$27.79 (56%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital SP-O2 ORP Sensor Replacement for ORP200
(SP-O2)The HM Digital SP-O2 ORP Sensor Replacement is an Oxidation Reduction Potential (ORP) replacement sensor for the HM Digital ORP-200 ORP Meter Water Tester . (SP-O2 / SP-O2)
Our Price: $ 55.99Retail:$64.99Save:$9.00 (14%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital QC-1 TDS & Conductivity Monitor
(QC-1)The HM Digital QC-1 can be used to test water for the following: TDS Conductivity levels The HM Digital QC-1 TDS & Conductivity Monitor is a monitor that checks your water for conductivity levels and TDS (total dissolved solids). This conductivity monitor features eight programmable set points done…
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Our Price: $ 20.30Retail:$39.99Save:$19.69 (49%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital pH Buffer Solution Variety Pack
(pH Buffer)The pH Buffer Solution Variety Pack from HM Digital is lightweight, economically priced and has an indefinite shelf life. Easy to use. Preparation directions are included directly on the bottle. Includes 3 packets of 4.0 pH, 6 packets of 7.0 pH, and 3 packets of 10.01 pH pH Buffer Solution Variety…
Our Price: $ 9.95Retail:$11.99Save:$2.04 (17%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital AquaPro AP-2 Water Quality Tester - EC 12-Pack
(AP-2)The HM Digital AquaPro AP-2 Water Quality Tester is a hand-held digital water quality tester which is used to test the electrical conductivity (EC) of water. It also tests the temperature of water, and features Automatic Temperature Compensation (ATC). Useful for both consumers and hobbyists, it…
Our Price: $ 25.79Retail:$42.99Save:$17.20 (40%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital TM-1 Digital Thermometer
(TM-1)The HM Digital TM-1 can be used in the following appplications: Aquariums Kitchens and bakeries Hydroponics and aquaculture All hot and cold fluids and/or solids Freezers/coolers and heating systems Motors, generators, and ventilations systems Academic, scientific, and medical laboratories The HM…
Our Price: $ 34.95Retail:$39.99Save:$5.04 (13%)In Stock -
HM Digital AquaPro AP-1 Water Quality Tester - TDS 10-Pack
(AP-1)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 used to test your drinking water, pools, spas,…
Our Price: $ 25.79Retail:$42.99Save:$17.20 (40%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital COM-100 Water Quality Tester
(COM-100)The HM Digital COM-100 Water Quality Tester is a combination electrical conductivity meter, TDS meter, and temperature reader all in one! This waterproof device is ideal for a wide variety of applications including scientific testing, ecology testing, water treatment and much much more. The COM-100…
Our Price: $ 59.95Retail:$70.99Save:$11.04 (16%)In Stock
