The Ultima PLUS Ultra-low Temperature Chest Freezer from Thermo Scientific Revco could be a solution for all your low temperature storage needs. ULT2050-10-A features an improved compressor technology, user-friendly control panel and standard RS-232 and 4-20mA output. Its two-stage refrigeration system has a compressor which allows for quiet and reliable performance and the control panel allows for user-defined alarms and setpoints and features audible and visual alarms. Standard RS-232 and 4-20mA outputs allow for easy connections of many freestanding and independent monitoring devices. This unit ensures a high performance and great versatility.