Description

Digital pH Meter. Brand New and High Quality.

Excellent meter, very accurate, and durable.

Comes 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