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AFM Datasheet, PDF (1/1 Pages) ORION FANS – Air Flow Monitor | |||
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AFM Series
Air Flow Monitor
Dimensions: mm (inch)
Wiring Example
e.g signal
device
17.5
+â
(0.7)
34 (1.3)
7.5 (0.3)
Air-ï¬ow monitor integrated
in a protective grill
92 x 92 / 120 x 120
(3.62 x 3.62 / 4.72 x 4.72)
80 x 80
(3.15 x 3.15)
The air-ï¬ow monitor provides a simple alternative to indicate positive or negative air ï¬ow of fans or blowers.
When properly installed and connected in series with an optical (i.e. LED) or audible signaling device, a bi-
directional switch will activate an electrical contact if the air ï¬ow of the fan falls below 8.2 ft/s, turning the
signaling device on or off. The AFM monitor can also be attached to an existing grill or guard.
Speciï¬cations
Contact Type: Reed/magnet contact
NC (Normally Closed): Contact open with air ï¬ow
NO (Normally Open): Contact closed with air ï¬ow
Switching Threshold of Air Flow Speed: >8.2 ft/s
(2.5 m/s)
Hysteresis: 3.3 ft/s (1m/s) - ï¬xed
Contact Resistance Incl. Wire: 370m (1214â)
Service Life: >100,000 cycles
Maximum Switching Capacity: 10W (resistive load)
Maximum Switching Voltage: NC - AC/DC 240V
NO - DC 60V
Maximum Switching Current: NC - DC 500mA
NO - DC 170mA
Connection: 2 x single strand AWG26, length 500mm
(20â), tip of stranded wire stripped/tinned 5mm (0/20â)
Mounting: Attachment clamp and/or clip, or integrated in
protective grill
Mounting Position: Air-ï¬ow monitor opening
perpendicular to air ï¬ow
Operating Temperature: -20 to 50°C (-4 to 122°F)
Storage Temperature: -20 to 80°C (-4 to 176°F)
Housing: Plastic, UL 94HB, black
Dimensions: 34 x 17.5 x 7.5mm (1.3 x 0.7 x 0.3â)
Protection Type: NEMA 1 (IP 20)
Agency Approvals: CE
RoHS Compliant
Model No.
AFM-01NC
AFM-01NO
AFM-80NC
AFM-80NO
AFM-92NC
AFM-92NO
AFM-120NC
AFM-120NO
Description
Air-ï¬ow switch, NC with mounting clip and clamp (for attaching to existing fan assembly)
Air-ï¬ow monitor, NO with mounting clip and clamp (for attaching to existing fan assembly)
Air-ï¬ow monitor, NC with 80 x 80mm (3.15â) plastic ï¬nger guard
Air-ï¬ow monitor, NO with 80 x 80mm (3.15â) plastic ï¬nger guard
Air-ï¬ow monitor, NC with 92 x 92mm (3.62â) plastic ï¬nger guard
Air-ï¬ow monitor, NO with 92 x 92mm (3.62â) plastic ï¬nger guard
Air-ï¬ow monitor, NC with 120 x 120mm (4.27â) plastic ï¬nger guard
Air-ï¬ow monitor, NO with 120 x 120mm (4.27â) plastic ï¬nger guard
Weight
6 g (0.2 oz)
6 g (0.2 oz)
20 g (0.7 oz)
20 g (0.7 oz)
20 g (0.7 oz)
20 g (0.7 oz)
31 g (1.1 oz)
31 g (1.1 oz)
Orion Fans
10557 Metric Drive
Dallas, TX 75243
800.323.2439
www.orionfans.com
A division of Knight Electronics,
information and data are subject to
change without prior notiï¬cation.
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