The ZT-2 is the first of HM Digital's new HMD line. It's a low-cost TDS meter that's perfect for those with multiple systems. Though inexpensive, this meter does not skimp on quality, features and read more ››
HM Digital’s ORP buffer solution comes in powder form, so it’s lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. Includes Test kit to check the quality of read more ››
The HM-200 is a versatile portable pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs read more ››
he COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & read more ››
The HM Digital PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, read more ››
The only handheld TDS meter / EC meter with full scale digital calibration. A water tester that is perfect for both consumer or commercial use. Ideal for all water quality testing, water purification read more ››
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The ORP-200 is a professional grade ORP meter ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, read more ››
Measures pH and temperature with simultaneous temperature and pH display. Auto-ranging three point calibration with digital fine tuning. Includes 4 pH buffer solution in a sponge embedded in a clear read more ››
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