Page 1
2-1/64 [51.05]
2.56
[175.00]
[98.00]
MODEL AAFS
Fume Hood Monitors/
Air Flow Switches
ADJUSTABLE AIR FLOW PADDLE SWITCH
Ranges from 200 to 1800 FPM, Stainless Steel Vane, ABS Housing
The Model AAFS Adjustable Air Flow Paddle Switch is capable of detecting a wide
range of air velocities with minimal user calibration. Quality features include a stainless
steel vane, galvanized steel base, and ABS enclosure.
BENEFITS/FEATURES
• Adjustable air ow sensitivity from 200 to 1800 FPM
• High current (15 A) rated SPDT contact
• IP65 enclosure rating
APPLICATIONS
• Air ow proving in HVAC systems
MODEL CHART
Model Description
AAFS Adjustable air ow paddle switch
4.02
4.92
[125.00]
M18X1.5
PROCESS
CONNECTION
2.56
[65.00]
Ø0.20
[Ø5.00]
2.52
[64.00]
[102.00]
3.46
[88.00]
3.03
3.86
[77.00]
3.86
[98.00]
2.81
[71.50]
5.94
[151.00]
SPECIFICATIONS
Service: Air and compatible gas.
Wetted Materials: Vane: SS; Lever: Brass; Base: Galvanized steel.
Housing: ABS.
Temperature Limits: Ambient: -40 to 180°F (-40 to 85°C); Process: -14 to 185°F
(-10 to 85°C).
Humidity Limits: 10 to 90%, non-condensing.
Switch Type: SPDT.
Electrical Rating: 15 (8) A @ 250 VAC.
Electrical Connection: Screw terminal with M18 x 1.5 cable gland.
Process Connection: Flange.
Mounting Orientation: Horizontal duct ow.
Set Point: Internal screw.
Enclosure Rating: IP65.
Weight: 13.6 oz (380 g).
Compliance: CE.
USA: California Proposition 65
WARNING: This product can expose you to chemicals including Lead, which is known to the State
of California to cause cancer and birth defects or other reproductive harm. For more information go
to www.P65Warnings.ca.gov.
4.15
[105.50]
1.02
[26.00]
[65.00]
3.15
[80.00]
0.49
[12.50]
2.81
[71.50]
6.89
DWYER INSTRUMENTS, LLC | dwyer-inst.com
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