Features: This digital thermometer uses a thermocouple with microproceor as the temperature sensor. It has the following features: Suitable for various thermocouples, such as K, J, T, E, R, S, N It can show results with C, F and K (Kelvin) Maximum, minimum and average value measurement Data hold Thermocouple deviation compensation Relative time display Automatic power-off (automatic power-off time can be set by users) Self-calibration (please read "User Self-calibration" section carefully before using this function) Automatically and manually save data USB port Dual-line input (T1, T2) Specifications: Model: MS6514 Material: ABS housing This digital thermometer uses a thermocouple with microproceor as the temperature sensor. Suitable for various thermocouples, such as K, J, T, E, R, S, N It can show results with 'C, 'F and K (Kelvin) Maximum, minimum and average value measurement Data hold Thermocouple deviation compensation Relative time display Automatic power-off (automatic power-off time can be set by users) Self-calibration (please read "User Self-calibration" section carefully before using this function) Automatically and manually save data USB port Dual-line input (T1, T2) Power supply: 9V battery Measurement range: - K: -200.0'C to +1372'C / -328.0'F to +2501'F - J: -210.0'C to +1200'C / -346.0'F to +2192'F - T: -250.0'C to +400'C / -418.0'F to +752'F - E: -150.0'C to +1000'C / -238.0'F to +1832'F - R: 0'C to +1767'C / 32'F to +3212'F - S: 0'C to +1767'C / 32'F to +3212'F - N: -200.0'C to +1300'C / -328.0'F to +2372'F - Display Resolution: - 0.1'C / 'F / K 1000 - Accuracy: - K,J,T,E: +/-(0.2% + 0.5'C); R,S: +/-(0.2% + 1'C); N: +/-(0.2% + 0.5'C) - Temperature scale: ITS-90 - Applicable standards: NIST-175 Package: 1 x MASTECH MS6514 Dual Channel Digital Thermometer 1 x Carry case 1 x USB 2 x Dual input line