IR Temp Calibrator, Temperature Range: 35 - 500 DEG C, Voltage Rating: 115 V, Heating Time: 15 MINT:20 MINT: 35 - 500 DEG C, Cooling Time: 15 MINT: 100 MINT: 500 - 35 DEG C 40 MINT: 500 - 100 DEG C MINT, Accuracy: Plus/Minus 0.35 DEG C, Stability: Plus/Minus 0.05 DEG C At 35 DEG C Plus/Minus 0.20 DEG C At 200 DEG C Plus/Minus 0.40 DEG C At 500 DEG C, Interface: RS-232, Dimensions: 356 MM Height X 241 MM Width X 216 MM Diameter, Target Diameter: 6 IN, EN 61010-1:2001, CAN/CSA C22.2 No.61010.1-04