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%.Power Consumption:3 VA.Electrical Connection:6.5′ (2 m) cable.Enclosure Rating:IP65.Display:1 Red LED/1 Green LED.Weight:7.2 oz (203 g).Agency Approvals:CE.