Dwyer Instruments AAFS Catalog Page

2-1/64 [51.05]

2.56

[175.00]

[98.00]

MODEL AAFS

ADJUSTABLE AIR FLOW PADDLE SWITCH

Ranges from 200 to 1800 FPM, Stainless Steel Vane, ABS Housing

Air Flow Switches

Fume Hood Monitors/

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.

FEATURES/BENEFITS

• 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).
Agency Approvals: CE.

4.15

[105.50]

1.02

[26.00]

[65.00]

3.15

[80.00]

0.49

[12.50]

2.81

[71.50]

6.89

USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

DWYER INSTRUMENTS, INC. 212