HM DIGITALPremier Water Testing InstrumentsINDIAFind a distributor Handhelds
Compact instruments for reliable field, service and point-of-use water testing. Select a model for specifications, applications and local support.
models available in this category
TDS-3
With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification to hydroponics to industrial wastewater treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.
View model →
TDS-4TM
The TDS-4TM 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 change filters and membranes.
View model →
TDS-EZ
The #1 selling handheld TDS meter in the world! This economically priced meter offers unparalleled value and quality. Its attractive housing and retail-ready packing make it an ideal low-cost meter.
View model →
TDS-4
The TDS-4 is an ideal pocket meter that can be used for any and all applications, ranging from water purification to hydroponics, to aquariums, to industrial wastewater treatment.
View model →
EC-3
With its rugged design and build, the EC-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification to hydroponics to industrial wastewater treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.
View model →
ORP-200
The ORP-200 is a professional-grade 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.
View model →
EC-3M
With its rugged design and build, the EC-3M is an ideal meter (tool) that can be used for any and all applications, ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.
View model →
AP-2
HM Digital’s AquaPro series, is a handheld water quality tester that, with a modern design is perfect for today’s tech-savvy and health-conscience consumers. The AquaPro digital water testers are the next generation for today’s modern kitchen.
View model →
AP-1
HM Digital’s AquaPro Series, is a handheld water quality tester which, with a modern design is perfect for today’s tech-savvy and health-conscience consumer. The AquaPro digital water testers are the next generation for today’s modern kitchen.
View model →
PH-80
The 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, water ionizers, drinking water, and more.
View model →
PH-200
The PH-200 is a professional grade pH/Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, and agriculture.
View model →
SB-2000PRO
An automatic digital salt checker for measuring salt concentration in liquid foods and process samples.
View model →
SAL-1700
This Newly released SAL-1700 is ideal for measuring the salinity of natural or artificial seawater, aquariums, and many more.
View model →
COM-80
The 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 & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.
View model →
COM-100
The COM-100 is a professional grade level 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
View model →
COM-300
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.
View model →
COM-360
The COM-360 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.
View model →