[ใหม่] Cleveland AFS-145 Air Pressure Sensing Switch

Cleveland AFS-145 Air Pressure Sensing SwitchCleveland Controls 
Model : AFS–145
Air Pressure Sensing Switch with Adjustable Set Point Range

-Specifications-

Model AFS-145 Air Flow Switch
Mounting Position: Mount with the diaphragm
in any vertical plane.
Set Point Range:
0.05 ± 0.02" w.c. to 12.0"w.c. (0.508 mm
w.c. to 304.8 mm w.c.) (0 to 0.43 psi).
Approximate Switching Differential:
Progressive; increases from 0.02±
0.01"w.c. at minimum set point to approximately
0.8 " w.c. at maximum set point.
Measured Media: Air, or combustion byproducts
that will not degrade silicone.
Maximum Pressure:
½ psi (0.03 bar)
Operating Temperature Range:
-40F to 180F (-40 to 82C)
Life: 100,000 cycles minimum at ½ psi
maximum pressure each cycle and at
maximum rated electrical load.
Electrical Rating:
300 VA pilot duty at 115 to 277 VAC,
15 amps noninductive to 277 VAC, 60 Hz.
Contact Arrangement: SPDT
Electrical Connections: Screw-type terminals
with cup washers.
Conduit Opening: 7/8" diameter opening
accepts ½" conduit.
Sample Line Connectors: 1/8" - 27
NPT female connectors (2)
Sample Line Connections: Connectors
will accept ¼" OD rigid or semi-rigid tubing.
Approval: UL, FM, CSA, CE
Shipping Weight: 1.2 lbs.

-Accessories-

• Sample line probes.
• Orifice plugs (pulsation dampers).