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.
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