The OM-CP-RTDTEMP2000 is a precision RTD temperature recorder with backlit LCD display. The unit is powered by a 9 V battery with a typical life of 1 year at a 1 min reading rate with the display off. An optional AC adapter is available for continuous use with the display and backlight on. This product has one of the largest memory capacities of any similar data recorder on the market. The non-volatile memory will retain recorded data, even if AC and battery power are lost. This wall mountable unit has an 8-button keypad with lock feature and the large, backlit LCD display provides convenient access to current data and recorder set up. NIST traceable calibration is available for users needing to meet regulatory requirements.