Mark II Molded Plastic Air Velocity Meter
Low cost, direct reading scales offer 3% accuracy; for portable or stationary applications
Construction is simple with virtually indestructible molded white styrene-acrylonitrile housing, indicating tube and fluid wells, molded ABS knobs and zero adjust plunger, shock mounted glass level vial and leak proof "O" ring seals. Scales are lithograph printed on aluminum and epoxy coated.
For stationary applications, the Mark II air velocity meters can be easily mounted on any vertical surface with the two screws provided. A built in spirit level simplifies leveling. Just fill the reservoir, adjust fluid level to zero, connect the Pitot tube, and it is ready for operation. For portable applications, the Model A-612 portable stand is available for Models 27 and 28.
A molded plastic swing-out stand and leveling screw for user installation are provided with the Model 40-1-AV which also features rapid shutoff tubing connectors and built-in over pressure traps.
Additional standard accessories include plastic connection tubing, mounting screws, 3/4 oz. bottle of indicating fluid and instructions. Metric ranges are also available.
• Thick white styrene-acrylonitrile housing is virtually indestructible
• Moderate overpressures are accommodated by an overflow tank (Model 25) or float operated overflow traps (Model 40)
• Able to be mounted on any vertical surface
• Measure air velocity in ducts
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Accessories
![A 480 Plastic Static Pressure Tip 05150]()
DwyerA-480 Plastic Static Pressure Tip
Plastic static pressure tip
Buy now!$3.75 CADNormally ships in 3-4 weeks![A 489 Static Pressure Tip 05089]()
DwyerA-489 Static Pressure Tip
4 in straight static pressure tip with flange
Buy now!$16.80 CADNormally ships in 1-2 weeks- In Stock *
![A 101234 Red Gage Fluid 05141]()
DwyerA-101/2/3/4 Red Gage Fluid
The standard fluid for use in inclined manometers, "D" type vertical manometers, and all Dwyer gages using red fluid
Starting at$21.85 CADSome SKUs available now ![A 110 Blue Gage Fluid 05142]()
DwyerA-110 Blue Gage Fluid
For use with special instruments and Mark II Models 26 and 28
Buy now!$404.69 CADNormally ships in 1-2 weeks![A 339 Brass Adapter 05146]()
DwyerA-339 Brass Adapter
Adapter, brass, 1/8" NPT to 3/16" rubber and 1/8" ID plastic tubing
Buy now!$11.39 CADNormally ships in 1-2 weeks![A 315 Shutoff Type Gage Connector 05234]()
DwyerA-315 Shutoff Type Gage Connector
Shutoff type gage connector for 3/16 in rubber tubing
Buy now!$38.08 CADNormally ships in 1-2 weeks![A 220 Vinyl Tubing 316 ID x 5 16 OD per foot 07282]()
DwyerA-220 Vinyl Tubing ( 3/16" ID x 5-16" OD) per foot
Clear flexible vinyl tubing
Buy now!$1.45 CADNormally ships in 1-2 weeks![A 225 Double Column Plastic Tubing 18 ID per foot 07285]()
DwyerA-225 Double Column Plastic Tubing (1/8" ID) per foot
Flexible double column tubing is used with Mark II Manometers and the Wind Speed Indicator
Buy now!$8.08 CADNormally ships in 2-3 weeks![A 612 Portable Stand 08582]()
DwyerA-612 Portable Stand
Portable Stand
Buy now!$101.75 CADNormally ships in 3-4 weeks
