Wide Application: Water quality tester is widely used in environmental protection, food, health, geological exploration, metallurgy, industrial wastewater, drinking water and other testing.
LED Digital Screen Display: Water quality detection pen adopts LED digital screen display, which makes reading data more clear and convenient.
Data Saving Function: Water quality tester has a data saving device, easy to store and use, easy to operate.
Lightweight and Portable: The water quality detection pen is handheld, small in size and light in weight, making it easy to carry.
Caution: The tester under the low voltage prompt indicates that the battery voltage is insufficient. Please replace the battery as soon as possible. Do not mix old and new batteries.