A/3K-DO-4"-6'CMP - 3K Ohms @ 77 Deg F (25 Deg C) Thermistor. The plenum rated ACI CMP cable (non-shielded) is rated from 32 to 167°F (0 to 75°C).  With an integrated mounted flange these sensors provide a predictable and accurate output over the specified temperature range.  Each sensor is double encapsulated and manufactured for long-term quality. ACI duct temperaure sensors are designed for HVAC Building Automation and light industrial  sysetms. Specific applications include: zone control air handling unit and temperature monitoring. Please review your application's temperature specification when selecting plenum cable.  ACI does offer CL2P cable (shielded) which is rated -40 to 302°F (-40 to 150°C) as well. Negative temperature coeffient double encapsulated sensor built-in mounting flange Plenum rated cable (non-shielded)