4 in 1 PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester for Pools Drinking Water Aquariums

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TDS/PH/EC/Temperature Meter 4 in 1 (No Backlight) ► Measuring range: pH:0.00-14.00pH; TDS: 0-19990ppm; EC: 0-19990μS/cm ► Resolution: 0.01 pH; 1ppm; 1μS/cm; 0.1℃; 0.1°F ► 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℃;  32.0-140.0°F ►Calibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); TDS: 1413μS/cm; EC: 1413μS/cm ►Auto shut off: 5 Minutes

TDS/PH/Temperature Meter 3 in 1 ► Measuring range: pH:0.00-14.00 pH; TDS: 0-19990ppm ► Resolution: 0.01 pH; 1ppm; 0.1℃; 0.1°F ► Accuracy: pH: +/-0.01 pH; TDS: +/-2%; Temp: 0.5℃ ► Batteries: 3 * 1.5V LR44 button cell(not included) ►Temp.: 0.1-60.0℃;  32.0-140.0°F ►Calibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); TDS: 1413ppm ►Auto shut off: 5 Minutes

PH/EC/Temperature Meter 3-in-1 ► Measuring range: pH:0.00-14.00 pH; EC: 0-19990μS/cm ► Resolution: 0.01 pH; 1μS/cm; 0.1℃; 0.1°F ► Accuracy: pH: +/-0.01 pH; EC: +/-2%; Temp: 0.5℃ ► Batteries: 3 * 1.5V LR44 button cell(not included) ►Temp.: 0.1-60.0℃;  32.0-140.0°F ►Calibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); EC: 1413μS/cm ►Auto shut off: 5 Minutes ►WE have two type of this product, and would send the product randomly, thank you