PH meter + digital LCD water purity TDS EC meter water quality display temperature test pen

welcome to our store and have a great day! Specifications: 1. Color: as shown in the picture 2. Accuracy: +/-2% 3. Weight: 68g 4. Range: 0-9990ppm 5. Item size: 155mm x 30mm x 15mm 6. Battery: 1* 3V button battery (included) 7. Product weight: about 60g (including battery) Packing list: [1*TDS meter tester 1 * TDS meter test manual 1* leather box] Product Features: Features of pH meter: 1. Measuring pH range: 0.0-14.0pH 2. Resolution: 0.01 pH 3. Accuracy: ±0.1 pH (20°C), ±0.2pH 4. Working temperature: 0-60°C 5. Calibration: manual, 1 point 6 Battery: 2*1.5v (LR44) (included) 7. Item net weight: approx. 55g (including battery) 8. Dimensions: about 152mm x 31mm x 19 mm Packing list: [1*digital pH meter 1*digital pH meter manual 3*calibration powder 1*plastic box] Features of digital TDS meter tester: 1. This product can be used for: water purifiers and filters, food (vegetables, fruits) and beverage quality monitoring, swimming pools and spas, aquariums, hydroponics. 2. Hold function: save the measured value, easy to read and record 3. Automatic shutdown function: turn off the meter after 10 minutes of non-use to save battery 4. Dual range: the measurement range is 0-999ppm, and the resolution is 1ppm. From 1,000 to 9,990 ppm, with a resolution of 10 ppm, expressed in drinking x 10 images, factory calibrated Package Contents:1pc test pen