3 pcs/lot TDS EC Meter/Tester,PH EC meter,conductivity meter Pen,aquarium,tester filter water quality

3PCS=1 PCS EC 1PCS TDS 1 PCS PH(only PH WITHOUT BOX)

Note:

1. The instrument is a professional instrument, please under

professionals instructions in order to avoid instrument failure

2. Avoid heat, direct sunlight

3. Please adopting standard buffer solution calibration, incorrect

calibration would cause measurement error, thus affecting the accuracy

of the test solution, or cause the instrument not working properly.

4 . Do not thrown the instrument into the test solution to

avoid the circuit board short circuit.

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PH METER

Infomation