Dwyer A3000-125PA Photohelic Pressure Switch Gauge Range 0-125 PA.

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 70°F (21.1°C).±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 120°F.(-6.67 to 48.9°C).-20 to 120°F (-28 to 48.9°C) 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 167°F (75°C) 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.