Technical Parameters Model DTG-140G DTG-150G Temperature range -20~140C -30~150C Heat source Semiconductor cooling and heating Control method Touch screen Display resolution 0.01 Accuracy �±0.2 Standard soaking block insertion aperture When ordering, please indicate the insertion depth of the inspected sensor and the outer diameter of the inspected sensor (customization support) Horizontal temperature field �±0.1 Vertical temperature field Within 30mm from the bottom of the well 1.0 Well depth (mm) 170mm Dimensions (mm) 280*165*280 Power 400W Power supply 220/110V,50Hz