Pocket TDS

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Portable pocket TDS meters are ideal for measuring the total dissolved solids in water up to 9,990 ppm (see product details tab for specific model limits).

Pocket Meters' compact size makes them ideal for use on the go. Their economical prices make them suitable for use at home for checking tap water or RO permeate water TDS.

TDS Testing is fast and easy: Simply turn on the TDS meter, immerse it into the solution to be tested, stir gently, and wait for the reading to stabilize.

Benefits of Pocket TDS Meters

Easy to Use
Economical
Small, Compact Design for Convenient Storage and Portability
Digital Easy-to-Read LCD Screen
Auto Shut-off to Preserve Battery Life

Pocket TDS Meter Product Selection Details

Model No.	Description	Measurement Range & Units	Includes ATC	Temperature Display	Brand
TDS-EZ	Pocket TDS Tester ideal for end users and basic water testing applications	0-9990 ppm	NO	NO	HM Digital
TDS-3	Pocket TDS tester ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver for both consumer and commercial use. Includes Case.	0-9990 ppm	YES	YES (°C)	HM Digital
TDS-4	Pocket TDS tester ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver for both consumer and commercial use. Includes Case.	0-9990 ppm	YES	NO	HM Digital
TDS-4TM/A	Pocket TDS tester 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. In Retail Aquarium Packaging. *(Replaces TDS-4TM. The meter is identical to TDS-4TM, but it includes retail packaging.)*	0-9990 ppm	YES	YES (°C)	HM Digital
AP-1	AquaPro Pocket TDS Testers are designed for retail use for the tech-savvy and health-conscience consumer or hobbyist.	0-5000 ppm	YES	YES (°C/F)	HM Digital
AP-2	Pocket Electrical Conductivity Tester w/digital temperature display	0-9999 µS	YES	YES (°C/F)	HM Digital
HI98301 Hanna DiST 1	Pocket TDS Tester ideal for use in monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics and the printing industry.	10-1990 ppm	YES	NO	Hanna Instruments
HI98302 Hanna DiST 2		100-10,000 ppm	YES	NO	Hanna Instruments
HI98203	The SALINTEST can help you accurately monitor the concentration of sodium chloride in aquaculture systems. Besides applications in aquaculture, SALINTEST is also ideal for checking salt concentrations in live fish storage tanks, tropical fish aquariums, refrigerated storage and oceanographic investigations.	0.00-1.00 pNaCL	NO	NO	Hanna Instruments