CT-3060 Portable Pen Drinking Water Tester Tap Water Hardness Test TDS Test Pen

Measuring range 0～1000 ppm Accuracy ±2% FS Resolution 1 ppm Automatic temperature compensation 0°C～50°C Working temperature 0°C～50°C Correction 1 point automatic calibration 706 ppm (1413us/cm) Automatic shutdown 5 minutes automatic shutdown Low voltage prompt C/F automatic conversion Data retention function Display TDS and temperature dual display Battery 6V (4*1.5V AG13 button battery) (NOT Included) Volume 188mm × 38mm Weight 82g