TDS meter tester for testing the filter water quality purity. Help you drink safe and pure water, protect your health
Hold Function: can lock the readings for convenient reading and recording. and can fast measuring once in five seconds.
Dual Range: Measures from 0-999ppm with a resolution of 1ppm. Measures from 1,000 to 9,990ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.
Easy to Use: Just turn the TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in 10-30 seconds, Automatically turns off the meter to conserve batteries if without operation over 10 mins.
Wide Application: Check the performance of your water filter and the hardness of the water. Used for water purifiers and filters, aquariums, hydroponics, drink quality monitoring, pools and spas.