Portable PH Meter with LED Display High Precision Measurement (-2 – 19.99)
(-2 – 19.99) pH, -1999mV-1999mV. 0.1/0.01pH, 1MV. (0 – 100) ℃ (automatic). Accuracy range. Note:Liquids and batteries not included. Temperature compensation range. ±0.01pH/3h.