These Platinum 385 Room Sensors provide stable, accurate room sensing for temperature control and building automation systems. The room sensors feature a stainless steel insulated plate, a standard plastic ventilated enclosure, or a deluxe executive enclosure design. The stainless steel plate is ideal for areas of vandalism or where the sensor can be easily knocked off the wall. The sensors are designed for interior use only in the temperature range of -30 to 140F (-34 to 60C). FEATURES High accuracy +-0.1% Low drift platinum Complete interchangeability Low cost Five-year warranty SPECIFICATIONS Sensing element TCR 0.00385 ohm/ohm/C Type 81 100 ohm thin film platinum Type 85 1000 ohm thin film platinum Interchangeability +-0.1% @ 32F (0C) Temp range -30 to 140F (-34 to 60C) Approx sensitivity Type 81 0.217ohm/F 32F (0C) Type 85 2.17ohm/F @ 32F (0C) Long term stability 0.09F (0.2ohm) per five years in air environments Wiring Type 81 Two yellow, 24-AWG zipcord Type 85 Two blue, 24-AWG zipcord