Dwyer A3300-30MM Photohelic Pressure Switch Gages, For Compatible Gases, Specialities : High Quality

Dwyer A3300-30MM Photohelic Pressure Switch Gages

• Dwyer A3300-30MM Photohelic Pressure Switch/Gauge (15-0-15 MM W.C.) 
• Model: A3300-30MM
• 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 A3300-30MM Specifications

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 A3300-30MM 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)