Wide Application: You can use this meter to check the pH value of any type of water, whether it is aquarium, swimming pool, spa, laboratory, hospital, hydroponics, agriculture, industry and quality testing programs. water on site. Measuring range: 0.00 to 14.00 pH. Support automatic temperature compensation and ATC functions, with high measurement accuracy and sensitive response. Temperature changes will not affect the pH measurement. Power supply: 4 x 1.5V AG13 button batteries or 6V DC power adapter, suitable for continuous monitoring. After about 5 minutes, it will enter power saving mode. Easy to use: Large backlit LCD screen, easy to read and accurate data. The meter can freeze the measured data for easy reading and recording. The pH value can be calibrated at any time. using a small screwdriver, easy to use. Measuring probe: pH meters work in liquids, although special probes are sometimes used to measure the pH of semi-solid substances. The pH meter consists of a special