HM Digital, Inc.

18 products found

HM Digital, Inc. Products

  • Handheld TDS Meters

  • Model ZT-2 - Basic TDS Tester

    Model ZT-2 - Basic TDS Tester

    The ZT-2 is the first of HM Digital's new HMD line. It's a low-cost TDS meter that's perfect as a promotional item. Though inexpensive, this meter does not skimp on quality, features and design.

  • Model TDS-3 - Handheld Meter With Carrying Case

    Model TDS-3 - Handheld Meter With Carrying Case

    Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times!

  • Model EC-3 - Electrical Conductivity Tester with Case

    Model EC-3 - Electrical Conductivity Tester with Case

    Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times!

  • Model TDS-4 - Pocket-Size TDS Meter

    Model TDS-4 - Pocket-Size TDS Meter

    A TDS tester that's ideal for all water purification applications, drinking water testing, pools & spas, fresh water aquariums, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all times!

  • AquaPro - Model AP-1 - Water Quality Tester (TDS)

    AquaPro - Model AP-1 - Water Quality Tester (TDS)

    HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer.

  • Model AP-2 - Water Quality Tester (EC)

    Model AP-2 - Water Quality Tester (EC)

    HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer.

  • Model PH-80 - Handheld pH Meter

    Model PH-80 - Handheld pH Meter

    HM Digital is proud to release its new PH-80, an economically priced water resistant handheld  with a resolution of 0.1 pH and an accuracy of +/-0.02 pH.  This easy-to-use tester is fast-acting and includes digital calibration, as well as onscreen diagnostic messaging and temperature in a large LCD.  The PH-80 was co-designed in U.S.A. and Korea and is backed by a one-year factory warranty.

  • Model COM-80 - EC/TDS HydroTester

    Model COM-80 - EC/TDS HydroTester

    NEW! The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

  • Model COM-100 - Waterproof EC / TDS / Temp Combo Meter

    Model COM-100 - Waterproof EC / TDS / Temp Combo Meter

    UPGRADED! (See below) Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

  • Model PH-200 - Waterproof pH Meter

    Model PH-200 - Waterproof pH Meter

    Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more.

  • Model ORP-200 - Waterproof ORP Meter

    Model ORP-200 - Waterproof ORP Meter

    Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit & vegetable washing, hydroponics, metal finishing, ozone system monitoring, pharmaceutical & medical applications, pools & spas, pulp bleaching, vineyards & wineries and water treatment.

  • Model TM-1 - Industrial-Grade Digital Thermometer

    Model TM-1 - Industrial-Grade Digital Thermometer

    For use in: All hot and cold fluids and/or solids Aquariums Kitchens and bakeries Hydroponics and aquaculture Freezers/coolers and heating systems Motors, generators and ventilations systems Academic, scientific and medical laboratories.

  • Model COM-300 - Waterproof Professional Series pH/EC/TDS/Temp Meter

    Model COM-300 - Waterproof Professional Series pH/EC/TDS/Temp Meter

    The COM-300 is a professional grade level pH/EC/TDS/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

  • Model TDS-4TMA - Aquarium TDS Meter

    Model TDS-4TMA - Aquarium TDS Meter

    The TDS-4TMA handheld meter is ideal for testing TDS and salt levels of freshwater aquariums and ponds. It can also be used for testing water filtration and purification systems, such as RO and DI, to know when to changes filters and membranes.