About Dwyer A3210 Photohelic Pressure Switch Gauge
Dwyer A3210 Photohelic Pressure Switch Gauge Range 0-10 psi
Dwyer A3210 Photohelic Pressure Switch/Gauge (0-10 psi)
Model: A3210
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 A3210 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
- Dwyer A3210 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)
Versatile Pressure MeasurementDesigned to work seamlessly with steam, oil, gas, and air, the Dwyer A3210 meets the diverse demands of industrial and commercial applications. It's especially valuable in environments like clean rooms and fume exhaust systems, ensuring safe and monitored conditions.
Superior Build and Finishing OptionsConstructed from premium metal alloy and offered in four attractive finishes-matte, polished, galvanized, and antique-the gauge is both robust and visually adaptable. The glass dial face is durable and easy to read, while the sleek black color adds a touch of sophistication.
Precision and ReliabilityBenefit from exceptional accuracy, with readings precise to 2% of FS at standard temperatures. The aluminum pointer and standard processing ensure the gauge delivers consistent, reliable measurements even in demanding settings.
FAQ's of Dwyer A3210 Photohelic Pressure Switch Gauge:
Q: How is the Dwyer A3210 Photohelic Pressure Switch Gauge typically installed?
A: The Dwyer A3210 is designed for panel mounting, allowing for straightforward installation in control panels or equipment racks, providing clear visibility and easy access during operation.
Q: What materials are used in the construction of the gauge, and why are these important?
A: The gauge features a metal alloy body with an aluminum pointer and a durable glass dial face. These materials enhance longevity, maintain measurement accuracy, and provide resistance to environmental wear and tear.
Q: Where can the Dwyer A3210 be utilized most effectively?
A: This gauge is ideal for use in air conditioner systems, clean rooms, fume exhaust systems, and other environments requiring precise pressure monitoring for steam, oil, or gas.
Q: What benefits does the variety of finish options provide?
A: Offering finishes like matte, polished, galvanized, and antique enables the gauge to blend aesthetically with different equipment and environments, while also adding a layer of protective durability.
Q: How accurate is the Dwyer A3210, and what does this mean in practical terms?
A: The gauge delivers an accuracy of 2% of full scale at 70F (21.1C), ensuring users obtain highly reliable pressure readings for critical processes, while minimizing the likelihood of error.
Q: What is the measurement scale and dial size of the gauge?
A: The Dwyer A3210 features a 4-inch (101.6 mm) dial face and measures pressures ranging from 0 to 10 psi, making it suitable for a wide array of low-pressure monitoring tasks.
Q: Who typically exports, manufactures, or supplies the Dwyer A3210 in India?
A: The Dwyer A3210 is exported, manufactured, supplied, and traded by businesses in India specializing in precision control instrumentation, ensuring broad availability for local and international markets.