Healthible DO Range: 0-40.00 mg/L, 0.1 mg//L Resolution
Healthible DO Range: 0-40.00 mg/L, 0.1 mg//L Resolution, Digital Dissolved Oxygen Meter with Electrode Filling Fluid (No Backlight) **Portability and Convenience**Compact pen shape design, lightweight and easy to move, you can test water anywhere for the purest water. **High-Precision Sensors**With automatic temperature compensation function, it can automatically compensate the solution temperature 0-40 degrees, and can detect any 0.0-40.0mg/L liquid. **Rapid Response**≤45s and supporting single-point or dual-point auto-calibration, i.e., automatic 100% calibration at zero or in the air **Warm Tips**Before each test, make sure that there is electrode protection liquid in the protective cap (not included in the kit) and that...