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SERIES 475-AV & 477-AV KITS
AIR VELOCITY KITS
Digital Manometer and Pitot Tube for Balancing System Air Flows
475-XX-FM-AV 475-XXT-FM-AV 477-XXXT-AV
Convenient all-in-one Series 475-AV & 477-AV Air Velocity Kits are small, light
and easy to use. No set-up or leveling needed. An indispensable test kit for the plant
engineer, and HVAC technician that must balance system air ows at start-up.
BENEFITS/FEATURES
• Comprehensive kit for HVAC and industrial applications
• Rugged construction for longevity
• Conversion from pressure to air velocity made easy
• Proudly assembled in the USA
APPLICATIONS
• Building commissioning
• Building HVAC test and balance
• Critical environment testing
• Industrial process verication
• Instrumentation validation
MODEL CHART - 475-XX-FM-AV
Model Range
475-00-FM-AV
475-0-FM-AV
475-1-FM-AV
475-2-FM-AV
MODEL CHART - 475-XXT-FM-AV
Model Range
475-00T-FM-AV
475-0T-FM-AV
475-1T-FM-AV
MODEL CHART - 477AV-XXXT-AV
Model Range
477-000T-AV
477-00T-AV
477-0T-AV
477-1T-AV
0-4.000 in w.c.
0-10.00 in w.c.
0-20.00 in w.c.
0-40.00 in w.c.
0-4.000 in w.c.
0-10.00 in w.c.
0-20.00 in w.c.
0-1.000 in w.c.
0-4.000 in w.c.
0-10.00 in w.c.
0-20.00 in w.c.
THE SERIES 475-XX-FM-AV KIT INCLUDES:
• Series 475 digital manometer
(±0.5% FS accuracy and minor divisions to 0.01, large 1/2˝ LCD readout is easy to
see in poorly lighted areas and has “low battery” warning)
• Model 166-6-CF, 6˝ SS pitot tube with integral compression tting to hold it securely
when taking readings
• Two no. A-303 static pressure tips with magnetic mounting
• Two 4-1/2´ lengths 3/16˝ ID rubber tubing
• No. A-397 step drill for 3/16˝-1/2˝ holes in 1/16˝ increments
• No. A-532 AV slide chart
• 9 V battery
• Fitted polyethylene case
THE SERIES 475-XXT-FM-AV KIT INCLUDES:
• Series 475 digital manometer
(±0.5% FS accuracy and minor divisions to 0.01, large 1/2˝ LCD readout is easy to
see in poorly lighted areas and has “low battery” warning)
• Model 166T, 36˝ telescoping SS pitot tube, fully adjustable from 11.5˝ to 36˝ (29.2 to
91.4 cm)
• Two no. A-303 static pressure tips with magnetic mounting
• Two 4-1/2´ L 3/16˝ ID rubber tubing
• No. A-397 step drill for 3/16˝-1/2˝ holes in 1/16˝ increments
• No. A-532 AV slide chart
• 9 V alkaline battery
• Fitted polyethylene case
THE SERIES 477-XXXT-AV KIT INCLUDES:
• Series 477AV digital manometer
(±0.5% FS accuracy, calculates air velocity or volumetric air ow, stores up to 40
readings in memory, instantly selecting up to nine English/Metric pressure units,
large, backlit 0.4˝ LCD readout, both audible and visual overpressure alarms and a
“low battery” warning are standard features)
• Model 166T, 36˝ telescoping SS pitot tube, fully adjustable from 11.5˝ to 36˝ (29.2 to
91.4 cm)
• Two no. A-303 static pressure tips with magnetic mounting
• Two 4-1/2´ L 3/16˝ ID rubber tubing
• No. A-397 step drill for 3/16˝-1/2˝ holes in 1/16˝ increments
• No. A-532 AV slide chart
• 9 V alkaline battery
• Fitted polyethylene case
DWYER INSTRUMENTS, LLC | dwyer-inst.com
TEST, ADJUST, & BALANCE
Manometers,
Air Velocity
175
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