A/100-3W-R - 100 Ohms @ 32 degrees F (platinum RTD sensing element) with a 0.00385 temperature coefficient. ACI's room enclosures combine option flexibility with attractive styling. In addition they have four-way airflow to minimize self heating. Options include setpoint override communication jack and LCD. Additional enclosure colors are available on a limited basis. ACI room temperature sensors are designed for HVAC or Building Automation Systems. Specific applications include: zone control office and work space auditoriu conference room and hallways. Example Part Number: A/100-3W-R-LC Positive temperature coefficient4-Way airflow