Dry Block Temperature Calibrator -30F to 330F Temperature Unit Temperature range from -35°C to 165°C Accuracy from 0.2°C Stability 0.05°C Rapid heating and cooling Light weight and robust for field use Choice of interchangeable well inserts Easy to set-up and use > Each Unit Includes Well insert (1x 0.14in(3.5mm), 1x 0.26in(6.5mm), 1x 0.53in(13.5mm)) Insert Removal Tool Calibration Certificate User Manual Mains cable