3 in 1 TDS Tester w/pH Temperature Water Quality Test Meter (w/ Backlight), 501 Original

Multifunctional Portable 3 in 1 Digital Display TDS/pH/Temperature Tester Meter Pen Aquarium Swimming Pool Water Quality Test Detection InstrumentFeature: 1. High measurement accuracy, accurate and reliable2. Easy to operate and easy to use3. Multifunctional, 3 in 1 (pH/TDS/temp) detection4. Automatic shutdown after 5 minutes standby, energy saving and environmental protectionSpecification: Material: ABSMeasuring range: pH: 0.00-14.00pHTDS: 0-19990ppmResolution: 0.01 pH; 1ppm; 0.1°C; 0.1°FahrenheitAccuracy: pH: +/- 0.01 pH;TDS: +/- 2%;Temperature: 0.5℃Battery: 3 X 1.5V LR44 button batteries (not included)Temperature: 0.1-60.0°C; 32.0-140.0°FahrenheitCalibration: pH: three-point automatic calibration (6.86/4.00/9.18pH); TDS: 1413ppmSize: 180x34x34mm/7.09x1.34x1.34inUses: It can be used in agriculture, aquaculture, swimming pools, laboratories, domestic water and other water quality testingType: Without Backlight, With BacklightNote:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.