These contact thermometers offer fast response and laboratory accuracy (0.05% + 0.3 deg. C) in a rugged, handheld test tool. User-friendly front panel is easy to set up and operate. Large backlit dual display shows any combination of T1, T2 (52 and 54 only), T1-T2 (52 and 54 only), plus MIN, MAX, or AVG. Relative time clock on MIN, MAX, and AVG provides a time reference for major events. Electronic offset function allows compensation of thermocouple errors to maximize overall accuracy. Each function is push-button activated and fully annunciated in the easy-to-read LCD. Supports J, K, T, and E-types thermocouples. Temperature readout in deg. C, deg. F, or Kelvin (K). Sleep mode increases battery life (typically 1000 hours). Battery door allows easy battery replacement without breaking the calibration seal. Splash and dust-resistant case is protected by impact absorbing holster.