niceEshop(TM) PH Test Papers 80pcs and TDS Tester Meter ,PH Test Strips Handheld Water Quality Tester Pen TDS Temperature Meter,with Leather Case,ABS,6x1.2x0.8 in

Instruction:
1.Remove the cap of the pen, and turn on.2.Put the pen into the test solution, the solution must not exceed 2cm of the pen.
3.Stir the pen in the solution until the reading is stable (about2-6 seconds), TDS value will be displayed on the screen, then press the HOLD key lock value.
4.Clean the pen with pure water,dry the pen head after using,then put cap back.

Applies to: 1.Household water 2. Nutrient solution of Soilless Cultivation 3.Aquarium water

Note:
1.Avoid TDS test pen to soak into the water,heat, direct sunlight.
2.Application temperature: 0-50 degrees(the temperature of test solution mustn't exceed 50 degree), can be stored at minus 30 degrees.


Package include:
1 x Tester Pen
1 x Leather Case
1 x Manual
1 x ph paper

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