... two points calibration function, it will prompt pH calibration solution when you calibrate the meter ... ------0~100.0oC Temperature Accuracy ------±1oC pH Calibration Points 2 Points Set Buffer NIST, ... pH electrode, pH buffers, Electrode holder, PoweradaptersMeter, pH electrode, pH buffers, Electrode holder, PoweradaptersMeter, pH electrode, pH buffers, Electrode holder, Poweradapters, Temperature probe ...