M1S TDS Meter Water Best Quality Tester Analyzer Portable Pen Test for Water with LED Display 0‑9999ppm Water Quality Tester Ideal for Drinking Water, Hydroponics, TDS and PPM Measurement
Product description
How to Use:
1. Take off the pen cover and turn on the ON/OFF switch.
2. Put the pen into the solution to be tested, the height of the solution should not exceed 2cm (Start from the end of the pen).
3. Gently stir the pen in the solution to be tested and wait for the reading to stabilize.
4 After use, use a cloth to dry the remaining water on the pen tip and cover the pen cover back.
Specification:
Item Type: Water Quality Tester
Material: ABS
Model: M1S
Measuring Range: 0-9999ppm (When the measured value exceeds 999ppm, the displayed value x 10)
Accuracy: ± 2%
Battery: 1 x 3V CR2032 Button Battery (Battery Not Included)