Features Automatic Calibration: This PH tester adopts automatic calibration mode, no need to manual calibration. High Accuracy: This water quality tester has high monitoring accuracy, which is an essential inspection instrument for food factories and drinking water factories. Reliable Performance: This tester is small in size and portable, moisture and corrosion resistant, has long service life, can detect automatically after turning on. Premium ABS Material: This PH tester is made of high quality ABS material, which has good impact resistance, is not easy to be damaged. Widely Application: The tester is widely used in industry, electric power, agriculture, medicine, food, scientific research and environmental protection and etc. Specification: Item Type: PH Tester Material: ABS Model: OW-981033 Application: Water Quality Monitoring Battery: 1x3V(CR2032) (Battery not included) PH Measuring Range: 0.00-14.00 Package List: 1 x PH Tester 1 x Manual 1 x Plastic Box Package List 1 x PH Tester 1 x Manual 1 x Plastic Box