Thermal flow switch AVFS series

for airIP65with indicator

The Series AVFS Adjustable Air Flow Switch is specifically designed to monitor air flow in ducts and provides a 3 A contact output to indicate a change or loss of flow. The AVFS provides a ±5% set-point repeatability across a full scale range of 1-10 m/s (197-1969 fpm) and includes a mounting bracket for quick duct mounting. PRODUCT APPLICATIONS Fan monitoring Filter monitoring Damper feedback Air handlers FEATURES Integral red/green air flow status LED’s Flush sensor design limits issues due to dust or particulate in the air flow IP65 construction Air Velocity Range: 197-1969 FPM (1-10 m/s). Temperature Limits: - 5 to 122°F (-10 to 50°C). Humidity Limits: - 0-90% RH. Wetted Materials: - PBT body: titanium sensor. Pressure Limit: - 14.7 psig (1 bar). Housing: - PBT. Repeatability: - ±5% FS. Switch Type: - N.O. SPST. Electrical Rating: - 3 A @ 30 VDC/250 VAC. Response Time: - 3-60 seconds. Varies with flow and set point. Power Requirement: AVFS-1: 80 to 250 AC/DC (47 to 63 Hz AC). AVFS-2: 24 VDC ±25%.