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Hand-Held Total Dissolved Solids Test Meter by Hanna Instruments--was $49.95, now for a limited time, just $28.95
TDS Tester ORDER NOW! VIEW CART/CHECKOUT

This highly accurate hand-held pocket meter (made by Hanna Instruments in the UK) is used to check your reverse osmosis system membrane. To use, insert the bottom of the meter into a glass of your RO generated water and the 3 digit readout will display the total dissolved solids in the sample. Then test your water source and compare to the RO water. Replace the membrane when your removal percentage drops below 85 percent. The meter is factory calibrated and includes a plastic carrying case, batteries, adjustment tool and instructions. Click to view TDS-1 manual (pdf file format). Sale price: was $49.95, now, for a limited time, just $28.95. ORDER NOW! VIEW CART/CHECKOUT
Calibration Solution HI70080 for TDS-1. $4.95. ORDER NOW! VIEW CART/CHECKOUT
Specifications
Range: 0 to 999 ppm (mg/l)
Resolution: 1 ppm
Accuracy (@20°C/68°F):±2% f.s.
Typical EMC Deviation: ±1% f.s.
Calibration: Manual, at one point through trimmer
Calibration Solution: HI70080, 800ppm @25ºC (77ºF) - not included
Temp. Compensations: Automatic from 5 to 50ºC(41 to 122ºF)
Environment: 0 to 50ºC (32 to 122ºF); 95% RH
Battery Type: 4 x 1.5V alkaline
Battery Life: approx. 150 hours
Dimensions: 150 x 30 x 24 mm (5.9" x 1.2" x 0.9")
Weight: 85 g (3 oz.)
Accessories
HI 70080P 800 ppm calibration solution (25x20 mL sachets)
HI 731326 Calibration screwdriver (20pcs)
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