CENTER-300 thermometer (Universal) 3-1 / 2 digit display available K, J-type thermocouple (302, 303) timer function (300,302) dual-input dual display (301,303) relative readings function RS-232 output interface maximum, minimum, average power reading recorded automatically shut resolution 0.1 ℃ / 0.1oF CENTER-300 Specifications | Parameters Range K type: -200 ℃ ~ 1370 ℃ (-328oF ~ 2498oF) J type: -200 ℃ ~ 760 ℃ (-328oF ~ 1400oF) (302,303 only) Accuracy ± (0.3% rdg) + 1 ℃ Resolution 0.1 ℃ / 0.1oF Operating Temperature 0 ℃ to 50 ℃ (<80% RH) Storage temperature -20 ℃ to 60 ℃ (<70% RH) Battery 9V battery Dimensions 184mm × 64mm × 30mm (7.25 "× 2.5" × 1.2 ") Weight Approx. 210g Standard Accessories: manual portable battery type coat type K thermocouple dot RS232 cable software CENTER-300 ● ● ● TP-K01 × 1PCS optional optional CENTER-301 ● ● ● TP-K01 × 2PCS CENTER-302 ● ● ● TP-K01 × 1PCS CENTER-303 ● ● ● TP-K01 × 2PCS