PHYSLCAL DYTA Range : -1.0 to 15.00 pH Resolution : 0.1pH Accuracy:¡¾0.1pH Calibration : 1,2 or 3-point @ 4.0, 7.0, or 10.0pH Reference Type : AG/AGCI. Openerating Temperature : 32 to 122¢µ(0 tlevitra online