digital ph meter 1. Large screen, LCD display, dual parameter 2. Automatic buffer ... equipped with pH combination electrode and T-818-B-6 temperature electrode.Specifications,Parameter,pH / mV(ORP)/°CpH range,-2.00 ... , 0.0~99.9°CResolution pH,0.01 mV ,1 Temperature, 0.1°CAccuracy ,pH ±0.01±1 bit mV ±0 ... .1%(FS) Temperature, ±0.3°C±1 bitStability (0.01pH±1 bit)/3hTemp ...