Reference Temperature Calibrator, Auto Power Off Yes, Data Hold Yes, Battery Type (3) AAA, Calibration Type 3-Point NIST-Traceable, 3-Point NVLAP-Accredited, Calibrator Type Intrinsically-Safe Reference Calibrator, Includes Batteries Yes, Minimum Dry Immersion Depth 120 mm, Minimum Immersion Depth 70 mm (Wet Media), 120 mm (Dry Media), Minimum Wet Immersion Depth 70 mm, Power Source Battery, Resolution 0.1 Degrees / 0.01 Degrees / 0.001 Degrees (Variable), Response Time 20 sec. This item has been restricted from sale in the following state (s): []