Digital Portable TDS Pen Meter Filter Measuring Water Quality Pu

Digital Portable TDS Pen Meter Filter Measuring Water Quality Purity Tester

-Used for: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics.
-Hold function: Saves measurements for convenient reading and recording
-Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries
-Dual 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 calibrated
-Rang: 0-9990ppm
-Accuracy: +/-1.5%
-Battery: 2 x 1.5V Button Cell battery (Not Included)
-Item size:142mm x 23mm x 13mm