PH Meter and TDS Meter Combo pH Tester Digital Water Meter TDS Tester High Accuracy Pen Type pH Meter Readout Accuracy 3 in 1 TDS EC Temperature Meter

Applications Drinking water, Aquaculture, Aquaponics, Floriculture, Greenhouse, Hydroponics, Industry, Pools Note: please do not test these three solution: Corrosive, Strongly acidic, Strongly alkaline Features Measures pH and temperature Selectable units for temperature Backlit LCD display Double junction probe (not replaceable) Successful pH calibration indicator Hold reading function Fully waterproof Auto off function Automatic temperature compensation 1 x AAA alkaline battery included Operation steps 1.Take off the protective cap 2.Press the ON/OFF key 3.Put the pH pen into the test liquid, stir gently an wait around 30 seconds 4.The electrode inside will start testing. 5.After use, press the ON/OFF key to turn it off, clean the electrode with clean water. ******************************************************************* pH Pen Techinical specifications Units: pH,?,? Measurement range: 0.0 - 14.0 pH Resolution: 0.01pH Accuracy at 25? / 77?: + 0.01pH Automatic Temperature Compensation(ATC): Yes Operating environment: 0 - 60 ? / 32 - 140 ? Calibration: Two points pH 7.0 and pH 4.0 or pH 10.0 Power source: 1 × AAA alkaline battery Auto off: 5 minutes Other functions: Backlit LCD display, successful calibration indicator, hold function ******************************************************************* TDS Technical Specifications Specifications: Measurement Range: 0 - 9 990ppm (?999ppm Display×10) Accuracy: ±2% F.S Power Supply: 2*1.5V (LR44 Included) Operating Temperature: 0? - 80? (32? - 210?) Dimension: 162mm*29mm*15mm / 6.38"×1.14"×0.59" Weight: 45g / 1.58oz ******************************************************************* For any questions about products, please send us message on amazon.