Service:Clean air and compatible, non-combustible gases.Accuracy:AVU: ±5% of FS; AVUB: ±8% of FS.Response Time (90%):5 sec (typical).Temperature Limits:32 to 122°F (0 to 50°C).Humidity Limit:0-90% RH, non-condensing.Power Requirements:-A models 24 VDC +10% – 15%; -V models 24 VDC or 24 VAC +10% – 15%.Output Signal:-A models 4 to 20 mA current loop; -V models 0 to 10 VDC.Loop Resistance:(-A models ) 700 Ω.Current Consumption:60 mA + output current.Maximum Start Up Current:85 mA; 10 V.Output Current Limit:(-V models) >10 mA.Electrical Connections:Screw terminal. Cable gland for 4-8 mm wire (16 gage wire).Enclosure Rating:NEMA 6 (IP67) except sensing point.Probe Dimensions:9.45 x .75″ (240 x 19 mm).Mounting Orientation:Unit not position sensitive. Probe must be aligned with airflow.Weight:8.8 oz (250 g).Agency Approvals:CE.