Dwyer A3000-125PA Photohelic Pressure Switch Gauge Range 0-125 Pa.
Dwyer A3000-125PA Photohelic Pressure Switch/Gauge (0-125 Pa)
Model: A3000-125PA
Bezel and Front Cover (With Set Point Knobs And Zero Adjustment Screw) Removed To Expose Photohelic Switch/Gage Set Point Mechanism. Gage Pointer And Light Shutter Are Mounted On Helix And Balancing Counter Weight.
Dwyer A3000-125PA Offers
Features
Measure 4 to 20 mA signals without "breaking the loop"
Measure mA signals for PLC and control system analog I/O
Dual backlit display with both mA measurement and percent of 4 to 20 mA span
Measurement Spotlight illuminates hard to see wires in dark enclosures
Detachable clamp with extension cable for measurements in tight locations
Measure 10 to 50 mA signals in older control systems using the 99.9 mA range
Automatically change the 4 to 20 mA output for remote testing
Power saving features, auto-off, backlight timeout extend battery life
Hold function captures and displays changing measurements
Applications
Air Conditioner Systems
Clean Rooms
Fume Exhaust Systems
Specifications
GAGE SPECIFICATIONS
Service:Air and Non-Combustible,Compatible Gases.
Wetted Materials:Consult Factory.
Accuracy:2% of FS at 70F (21.1C).3% on -0 and 4% on -00 models.
Pressure Limits:-20" Hg.to 25 psig (-0.677 to 1.72 bar).MP option; 35 psig (2.41 bar),HP option; 80 psig (5.52 bar).
Temperature Limits:20 to 120F.(-6.67 to 48.9C).-20 to 120F (-28 to 48.9C) with low temperature option.
Process Connections:1/8" female NPT.
Size:4" (101.6 mm) dial face,5"(127 mm) O.D.x 8-1/4"(209.55 mm).
Weight:4 lb (1.81 kg).
SWITCH SPECIFICATIONS
Switch Type:Each setpoint has 2 Form C relays (DPDT).
Repeatability:1% of FS.
Electrical Rating:10 A @ 28 VDC,10 A @ 120,240 VAC.
Electrical Connections:Screw terminals.Use 167F (75C) copper conductors only.
Power Requirements:120 VAC,50/60 Hz; 240 VAC & 24 VAC power optional.
Mounting Orientation:Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment:Adjustable knobs on face.
Agency Approvals:CE,CSA,UL.