This digital pen style pH meter is an ideal instrument for anywhere you may need to test pH levels.
This pH meter is accurate and reliable and comes packaged in a protective case.
Measuring pH Range: 0.0 - 14.0 pH.
Resolution: 0.1 pH.
Accuracy: 0.1 pH (20C), 0.2 pH.
Operating Temperature: 0 - 50C (32 - 122F).
You might also want some pH Calibration Solution.