... steel 5x40mm or coustomer request.Metal Shell NTC Temperature Sensor, Ideal for Wide Temperature ControlWide operating temperature range: -30 to 150°C Parameter range:R25 ... , unitary bathroom, medical apparatus, and instruments, floor heating thermostat, soil temperature, water temperature, and so onCertificate:UL, CUL, TUV, CCC, RoHS, ISO9001-2008 ...