Powering via a battery or optional AC adapter, Omega Engineering’s OM-CP-TCTEMP2000 thermocouple temperature data logger offers a backlit LCD display. The wall-mountable device includes an internal temperature sensor and an external output for thermocouple types J, K, T, E, R, S, B, and N. The real-time operated logger retains recorded data if AC and battery power are lost. The instrument comes with a front keypad with lock feature, high-speed downloading, programmable start/stop time, and user-selectable measurement units. NIST traceable calibration is available. Pricing starts at $499.