4 in 1 PH EC TEMP Meter LCD Digital Water Quality Monitor Tester Purity Pen
- The product has a simple operation panel, the instrument is easy to operate
- This PH test pen has a large‑screen digital display and a backlight function.
- Economical and practical, fully meets the testing needs of various industries.
- Suitable for many situations, such as food manufacturing, breeding, industry, swimming pools, etc.
- The measuring result of the test pen is accurate, easy to carry and easy to read.
