Blue M TPS Tenny Environmental ETC404CW5.OG Chamber -73°C-+200°C 480V 3Ph Make: Blue M  Model: ETCU04CW5.OG Serial: 31183Manufactured October 2004 Temp Range: -73°C-+200°C  Inside Dims: 18" X 24" X 18" Copeland Scroll Compressor Evaporating -35°C/Condensing 40°C Compressor Model: ZF18K4E-TFD-251 Refrigerant: R507 (6.5 Lbs) RS 232 Com Port Digital Graphing HIM Usb, Keyboard, Ethernet, & VGA Plugs Great Working Machine 480 Volt 3 Ph Item Under Strict Maintenance Schedule