Digital 0.01 Water Quality Purity Test PH TDS Meter Tester Portable Pen

Features Hold function Saves measurements for convenient reading and recordingAuto off function Turns off meter after 10 minutes of non use to conserve batteriesDual Range Measures form 0 999ppm with a resolution of 1ppm From 1 000 to 9 990ppm the resolution is 10ppm indicated by drinking x 10image Factory calibratedThis item can be used in water purifiers and filters food vegetable fruits drink quality monitoring pools and spas aquariums hydroponics Specification Rang 0 9990ppmAccuracy 1 5 Battery 2 x 3V Button Cell batteryItem size 142mm x 23mm x 13mm Package included 1 x TDS Meter Tester Details pictures