DWYER 3000MRS Series, Photohelic Switch/ Gage

Combines Differential Pressure Gage with Low/ High Set-points Applications : • Fan Control • Damper Control • Environmental Pollution Control GAGE SPECIFICATIONS Service: Air and non-combustible, compatible gases. Wetted Materials: Consult factory. Accuracy: ± 2% of FS at 70° F ( 21.1° C) . ± 3% on -0 and ± 4% on -00 models. Pressure Limits: -20 " Hg to 25 psig ( -0.677 bar to 1.72 bar) . MP option; 35 psig ( 2.41 bar) , HP option; 80 psig ( 5.52 bar) . Temperature Limits: 20 to 120° F. ( -6.67 to 48.9° C) . Process Connections: 1/ 8 female NPT ( duplicated side and back) . Size: 4 " ( 101.6 mm) dial face, 5 " ( 127 mm) O.D. x 3-1/ 8 " ( 79.38 mm) . Weight: 1.8 lb ( 816 g) . SWITCH SPECIFICATIONS 3000MRS Switch Type: Each setpoint has a solid state relay. Switching Voltage: 20-280 VAC ( 47 - 63 Hz) . Switching Current: 1.0 amp ( AC) max., 0.01 mA ( AC) min., ( 2) SPST N.O. Electrical Connections: 18 " ( 46 cm) cable assembly with 6 conductors, Optional lengths to 100´ ( 30.5 m) . Power Requirements: 24 VDC, regulated ± 10% . Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations. Set Point Adjustment: Adjustable knobs on face. Agency Approvals: CE.