Digital pH Meter

Digital pH Meter. Brand New and High Quality.

Excellent meter, very accurate and durable.

With calibration screwdriver.

An ideal instrument for home use, aquarium, fishing industry, swimming pool, food & beverage etc.

In addition, you must calibrate this tester whenever the following happens:

If the tester was used or lay aside long time, re-calibrate it
It was used too often; re-calibrate it
Need High Accuracy. re-calibrate it
Note: You will need calibrate after you get it.