Service:Air or nonconductive, nonexplosive gases.Accuracy:±0.5% FS.Temperature Limits:32 to 120°F (0 to 50°C).Humidity Limits:5 to 95% relative humidity (non-condensing).Thermal Effects:±0.03% FS/ °F (± 0.05% FS/ °C).Pressure Limits:±15 in w.c. (±3.7 kPa).Supply Voltage:Order Code A (24 VAC): 18-32 VAC, 50-60 Hz. Order Code B (120 VAC): 85-265 VAC, 50-60 Hz. Main supply voltage fluctuations up to 10%.Power Consumption (voltage output):5 W.Output Signal:Selectable 4-20 mA (2-wire), 0-5 VDC (3-wire), or 0-10 VDC (3-wire).Switch Type:SPST.Loop Resistance (4-20 mA output):0-510 Ω.Electrical Connection:Removable terminal block.Process Connections:Barbed fittings for 3/16″ ID tubing.Enclosure Rating:NEMA 1 (IP20) rated for indoor applications.Housing:Fire retardant plastic.Mounting:Mount to standard double gang metal electrical box using 4×4″ plaster ring adapter.Dimensions:8″ H x 5.4″ W x 1.8″ D (20.3 H x 13.7 W x 4.1 D cm).Weight:1.5 lb (680 g).Communications:BACnet MSTP ASC optional.Agency Approval:CE, CSA (RSM only).