A/AN-DO-12" - 10K Ohms @ 77 Deg F (25 Deg C) Type III Thermistor. The standard duct without box configuration has a mounting flange for quick installation and etched-teflon leads. The sensing element is double encapsulated to avoid sensor failures caused by moisture infiltration. Additional options include: plenum rated cable and quick connects for direct termination to male VAV-Controller inputs. 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. Negative temperature coeffient double encapsulated sensor Built-in mounting flange