Product Description
Dwyer A3201 Photohelic Pressure Switch Gauge Range 0-1 psi
Dwyer A3201 Photohelic Pressure Switch/Gauge (0-1 psi)
Model: A3201
Bezel and front cover (with set point knobs and zero adjustment screw) removed to expose Photohelic switch/gage set point mechanism. Cover is clear polycarbonate plastic. Gage pointer and light shutter are mounted on helix and balancing counterweight.
Dwyer A3201 Offers
Features
- Measure 4 to 20 m signals without "breaking the loop"
- Measure m signals for PLC and control system analog I/O
- Dual backlit display with both m measurement and percent of 4 to 20 m 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 m signals in older control systems using the 99.9 m range
- Automatically change the 4 to 20 m 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
- Dwyer A3201 Specifications
- Switch Specifications
- Switch Type:Each set point has 2 Form C relays (DPDT)
- Repeatability:±1% of FS
- Electrical Rating:10 A at 28 VDC,10 A at 120,240 VAC
- Electrical Connections:Screw terminals.Use 167°F (75°C) copper conductors only
- Power Requirements:120 VAC,50/60 Hz,240 VAC and 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
- Gauge Specifications
- Service:Air and non-combustible, compatible gases
- Accuracy:±2% of FS at 70°F (21.1°C),±3% on -0,±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:? female NPT
- Dimensions:4" (101.6 mm) dial face,5 x 8¼" (127 x 209.55 mm)
- Weight:4 lb (1.81 kg)