Is Smart Device : NODisplay Type : DIGITALWith Backlight Or Not : YESModel Number : PH MeterCertification : CEBatteries : 3 * 1.5V LR44 button cell (not included)Measuring range : 0.00-14.00PHResolution : 0.01pHResolution1 : 0.1 C/0.1FTemp : 0.1-60.0; 32.0-140.0FPH Pen Meter Waterproof Portable Digital PH Tester with backlight for Aquarium Pool Wine Urine Automatic Calibration 40%offProduct Description:Measuringrange0.00-14.00PHResolution:0.01pH/0.1pHTemperaturecompensationrange0.0-50.0CTemperatureMeasurementRange:0.0-50.0C(32-122F)Resolution0.1C/0.1FApplications:laboratory, industrial, sewage treatment, scientific research, pharmaceutical, electroplating solution, tap water, aquaculture, drinking water, enzymes, well water, sea water, boiler water, fish tank water, swimming pool water, photographic rinse, ink, food processing , Ionized water, household water quality testing, physical and chemical teaching, cosmetics, human urine PH value.Usage:Remove the pen, open the switch, put the test solution stir, the value can be read the value of stability!Note:this item will not include the battery and retail box!Package:1pcs PH Meter3 pcs PH powder1 pcs screwdriverPH TDS EC TEMPAccurate AND Reliable: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.Easy and Instantly: Just turn PH meter on and stir water gently, then stabilized readings will be showed on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 5 minutes.Hold Function & Auto-off function: Freeze the measurement to view it out of the water. Turns off meter after 5 minutes of non-use to conserve batteries.Wide Use: Pocket Size TDS PH Meter is the ideal test kit for home and laboratory uses. Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more.TDS/PH/EC/Temperature Meter 4 in 1 Measuring range: pH:0.00-14.00pH; TDS: 0-19990ppm; EC: 0-19990S/cm Resolution: 0.01 pH; 1ppm; 1S/cm; 0.1; 0.1F Accuracy: pH: +/-0.01 pH; TDS/EC: +/-2%; Temp: 0.5 Batteries: 3 * 1.5V LR44 button cell(not included)Temp.: 0.1-60.0; 32.0-140.0FCalibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); TDS: 1413S/cm;EC: 1413S/cmAuto shut off: 5 MinutesTDS/PH/Temperature Meter 3 in 1 Measuring range: pH:0.00-14.00 pH; TDS: 0-19990ppm Resolution: 0.01 pH; 1ppm; 0.1; 0.1F Accuracy: pH: +/-0.01 pH; TDS: +/-2%; Temp: 0.5 Batteries: 3 * 1.5V LR44 button cell(not included)Temp.: 0.1-60.0; 32.0-140.0FCalibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); TDS: 1413ppmAuto shut off: 5 MinutesPH/EC/Temperature Meter 3-in-1 Measuring range: pH:0.00-14.00 pH; EC: 0-19990S/cm Resolution: 0.01 pH; 1S/cm; 0.1; 0.1F Accuracy: pH: +/-0.01 pH; EC: +/-2%; Temp: 0.5 Batteries: 3 * 1.5V LR44 button cell(not included)Temp.: 0.1-60.0; 32.0-140.0FCalibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); EC: 1413S/cmAuto shut off: 5 Minutes