Features: <br>1. Made of high quality material, durable in use. <br>2. Lightweight and mini size, portable to carry. <br>3. 4 in 1 function, can be used to test pH, TDS, EC and TEMP of water. <br>4. Easy to operate and read the digits, convenient to use. <br>5. Suitable for water sources, hydroponics, swimming pools and other water systems. <br> <br>Specification: <br>Condition: 100% Brand New <br>Material: ABS <br>Range: <br>pH: 0.00 to 14.00pH <br>EC: 1 to 19999us/cm <br>TDS: 1 to 19999ppm <br>0 to 60.0℃ / 32.0 to 140.0℉ <br>Resolution: <br>pH: 0.01pH <br>EC: 1us/cm <br>TDS: 1ppm <br>Accuracy (@25℃ / 77℉): <br>pH: ±0.05pH <br>TEMP: ±0.5℃ <br>EC: ±2% <br>TDS: ±2% <br>Calibration: <br>pH 6.86 point: Accuracy ±0.1pH <br>6.86/4.00(6.86/9.18) points: Accuracy ±0.05pH <br>6.86/4.00/9.18 points: Accuracy ±0.02pH <br>EC Calibrated by factory (1413μs/cm) <br>TDS Calibrated by factory (1413μs/cm) <br>Temp. Compensation: Automatic temperature compensation (0-60℃) <br>Battery/Auto power-off: <br>3 x 1.5V button cell (Not Included) <br>Battery Type: AG13 or LR44 <br>Auto power-off: 5 Minutes <br>Low power protection system / battery indicator <br>Environment: 0 to 60.0℃ (32.0 to 140.0℉); RH 100% <br>Size: Approx. 7.2 x 1.47 in <br>Weight: Approx. 164g / 5.8 oz <br> <br>Package list: <br>1 x Water Quality Tester (Battery Not Included) <br> <br>Note: <br>1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. <br>2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. <br>3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. <br>4. The product is shipped without powder.<br>1、Made of high quality material, durable in use <br>2、Lightweight and mini size, portable to carry <br>3、4 in 1 function, can be used to test pH, TDS, EC and TEMP of water <br>4、Easy to operate and read the digits, convenient to use <br>5、Suitable for water sources, hydroponics, swimming pools and other water systems Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia