Fluke 51 II Single Input Digital Thermometer offers fast response and laboratory accuracy (0.05% + 0.3°C) in a rugged, handheld test tool. The Fluke 50 Series II contact thermometers offer fast response and laboratory accuracy (0.05% + 0.3°C) in a rugged, handheld test tool. Take contact temperature for checking motors, insulation, breakers, pipes, corroded connections, liquids, and wires with industrial standard J, K, T, E, N, R, and S type thermocouple (temperature sensors). - 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 - Measures J, K, T, and E-types of thermocouples - Readout in ºC, ºF, or Kelvin (K) - Splash and dust resistant case protected by impact absorbing holster - User-friendly front panel is easy to set up and operate - Sleep mode increases battery life; typical 1000-hour battery life - Battery door allows easy battery replacement without breaking the calibration seal - Optional ToolPak accessory allows the thermometer to hang from any metal object (with the rare earth magnet) or secure around a pipe (with hook-and-loop straps) for hands-free operation.