The Radiometer TCM400 Monitor TCM 4 Series W/ Six E5250 Sensor is a high-quality medical device designed for use in various disciplines such as wound care, hyperbaric medicine, plastic surgery, podiatry, dermatology, internal medicine, general surgery, and family medicine. This unit has been reconditioned and is in full working order.  Reconditioning includes: New CMOS battery (for date and computer memory), New power battery (for operating without a wall plug), disassembly and cleaning (inside and out) and bench testing.  All sensors will require new membranes before calibration and use, but these are disposable and part of expected maintenance in these units.