About Dwyer A3300-500PA Photohelic Pressure Switch Gauge
Dwyer A3300-500PA Photohelic Pressure Switch Gauge Range 250-0-250 Pa.
Dwyer A3300-500PA Photohelic Pressure Switch/Gauge (250-0-250 Pa.)
Model: A3300-500PA
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 A3300-500PA
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 A3300-500PA 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 167F (75C) 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 70F (21.1C),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 120F. (-6.67 to 48.9C),-20 to 120F (-28 to 48.9C) with low temperature option
- Process Connections:female NPT
- Dimensions:4"(101.6 mm) Dial Face,5 x 8"(127 x 209.55 MM)
- Weight:4 lb (1.81 kg)
Versatile Pressure MeasurementThe Dwyer A3300-500PA Photohelic Pressure Switch Gauge offers accurate measurement of steam, oil, and gas across various industrial applications. Its high sensitivity and broad measuring range make it suitable for air conditioning, clean rooms, and fume exhaust systems. Constructed from robust metal alloy and available in multiple finishes, it meets both functional and aesthetic demands, ensuring lasting performance and optimal integration.
Precision and DurabilityEngineered for precision, this gauge delivers an accuracy of up to 2% of full scale at 70F. Its aluminum pointer and sturdy dial construction withstand rigorous operational environments. The panel mount design allows for secure, stable installation. Whether used as a manufacturer, exporter, or trader, the Dwyer A3300-500PA guarantees reliability in every application.
FAQ's of Dwyer A3300-500PA Photohelic Pressure Switch Gauge:
Q: How is the Dwyer A3300-500PA Photohelic Pressure Switch Gauge typically installed?
A: This pressure switch gauge is designed for panel mounting, allowing for secure integration into control panels or equipment enclosures for industrial monitoring.
Q: What materials are used in the construction of this gauge?
A: The gauge is constructed from a durable metal alloy and features an aluminum pointer, plastic dial, and a variety of exterior finishes, including matte, polished, galvanized, and antique looks.
Q: When should this gauge be used in a facility?
A: It is ideal for situations requiring precise pressure regulation or monitoring in systems managing steam, oil, or gas, such as air conditioning systems, clean rooms, and fume exhaust systems.
Q: Where is this gauge manufactured and available for export?
A: This model is manufactured, supplied, and exported from India, serving the needs of international clients across various industrial sectors.
Q: What is the process for reading pressure values on this gauge?
A: Users read the pressure directly from the large, clear 4-inch dial face, which displays a scale range of 250-0-250 Pa, with the aluminum pointer indicating the current measurement.
Q: How does the A3300-500PA benefit industrial operations?
A: It offers reliable and accurate pressure monitoring, enhancing system efficiency, safety, and regulatory compliance in critical environments such as HVAC and clean room systems.
Q: What are the accuracy specifications of this gauge?
A: At 70F (21.1C), the gauge provides accuracy of 2% of full scale, 3% on the -0 model, and 4% on the -00 model, ensuring dependable readings.