FM-105 Microwave Sensor
FIXTURE SENSORS & CONTROL
FM-105 High Frequency Occupancy Sensor
Mounting bracket for
flexible installation
Adjustable time delay
Line voltage occupancy sensor
Adjustable detection sensitivity
Mounts behind fixture
lens hidden from view
Hold-off daylighting control
PROJECT
LOCATION/TYPE
Product
Overview
Description
Flexible Functionality
The FM-105 High Frequency Occupancy Sensor is
a line voltage sensor that turns lighting on and off
based on occupancy, and can hold lights off when
sufficient daylight is available. It detects motion
via high frequency electromagnetic waves and the
Doppler principle. Because it can detect motion
through many dense materials other than metal,
the FM-105 can be installed behind fixture lenses
and hidden from view.
The FM-105 Sensor coverage pattern is
omnidirectional. Depending on its installation, it
can be adjusted to detect occupancy up to 20 feet
away. The FM-105 can be placed inside a lighting
fixture or behind an object made of wood or plastic
so that it is completely hidden from direct view. Its
integrated daylight sensitivity adjusts from 2 to 200
footcandles, and its time delay may be set from 10
seconds to 30 minutes.
Applications
Operation
The FM-105 operates at 120 or 277 VAC and utilizes
high frequency technology to control lighting based
on occupancy. It sends out electromagnetic waves
that bounce off nearby surfaces, and uses the
Doppler principle to analyze changes in the return
waves to detect motion in the area (similar to the
way that ultrasonic sensor technology performs).
When motion is detected, the FM-105 turns on the
load, unless the ambient light level is greater than
the daylighting setpoint (if enabled), or turns off the
load when no motion is detected for the preset time
delay.
Features
• Detects movement when installed behind lowdensity fixture materials, such as polycarbonate,
acrylic and glass diffusers
• Provides hold-off daylighting control when
ambient light is greater than daylighting setpoint
www.wattstopper.com
800.879.8585
The FM-105 operates best when installed
behind low-density fixture materials, such as
polycarbonate, acrylic and glass diffusers. FM-105
technology also provides superior detection in hard
surfaced areas such as stairwells and hallways.
This sensor is also suited for installation behind
lenses in outdoor wall sconces, wall packs and
pedestrian-scale luminaires.
• Mounting bracket facilitates installation in
various mounting positions
• Simple line voltage wiring does not require a
power pack
• Can be mounted hidden from view
• Time delay adjustable from 10 seconds to 30
minutes
• Easy adjustment via trimpots
• Adjustable sensitivity range up to 20 feet
• RoHS compliant
Mounting
10
sec
30 min
-
+
1
200
Sensitivity
FM-105
Microwave (5.8 GHz)
GHz)
Occupancy Sensor
CONTROL
FCC ID: Q4BFM105
88T9
APPLIANCE
FM-105
Time Delay
120/277VAC, 50/60
50/60 Hz
Hz
100-277VAC,
@120VAC:0-600W
0-800WBallast,
Ballast
@120VAC:
orTungsten,
Tungsten
0-600W
Light Level
(footcandles) @277VAC: 0-1200W 1/6
Ballast
hp
@277VAC: 0-1000W Ballast,
FCC ID: Q4BFM105
1/4 hp
10
sec
30 min
-
+
1
200
APPLIANCE
CONTROL
FCC ID: Q4BFM105
88T9
Microwave (5.8 GHz)
Occupancy Sensor
100-277VAC, 50/60 Hz
120/277VAC,
@120VAC:
@120VAC: 0-600W
0-800WBallast,
Ballast
0-600W
orTungsten,
Tungsten
Light Level
(footcandles) @277VAC: 0-1200W Ballast
1/6 hp
@277VAC: 0-1000W Ballast,
FCC ID: Q4BFM105
1/4 hp
Sensitivity
LINE
1
APPLIANCE
CONTROL
FCC ID: Q4BFM105
88T9
Time Delay
Sensitivity
NEUT
100-277VAC, 50/60
50/60 Hz
Hz
120/277VAC,
@120VAC: 0-600W
0-800W Ballast,
Ballast
0-600W
or Tungsten,
Tungsten
Light Level
1/6 hp
200 (footcandles) @277VAC: 0-1200W Ballast
@277VAC: 0-1000W Ballast,
FCC ID: Q4BFM105
1/4 hp
+
LOAD
LINE
FM-105
Microwave (5.8
(5.8 GHz)
GHz)
Microwave
Occupancy Sensor
Sensor
Occupancy
30 min
-
LINE
Time Delay
10
sec
NEUT
FM-105
Microwave (5.8 GHz)
Occupancy Sensor
120/277VAC, 50/60 Hz
100-277VAC,
@120VAC:0-600W
0-800WBallast,
Ballast
@120VAC:
orTungsten,
Tungsten
0-600W
Light Level
(footcandles) @277VAC: 0-1200W 1/6
Ballast
hp
@277VAC: 0-1000W Ballast,
FCC ID: Q4BFM105
1/4 hp
NEUT
200
LOAD
1
Sensitivity
LOAD
+
LINE
30 min
-
NEUT
Time Delay
10
sec
APPLIANCE
CONTROL
FCC ID: Q4BFM105
88T9
Mounting foot provides four different mounting positions.
Wiring Diagram
Plastic mounting foot
Time Delay
1
200
Microwave (5.8 GHz)
Occupancy Sensor
LINE
120/277VAC, 50/60 Hz
@120VAC: 0-800W Ballast
or Tungsten
Light Level
200 (footcandles) @277VAC: 0-1200W Ballast
1
100-277VAC, 50/60 Hz
120/277VAC,
@120VAC:
@120VAC:0-600W
0-800WBallast,
Ballast
0-600W
orTungsten,
Tungsten
Light Level
(footcandles) @277VAC: 0-1200W Ballast
1/6 hp
@277VAC: 0-1000W Ballast,
FCC ID: Q4BFM105
1/4 hp
Lighting
Load
APPLIANCE
CONTROL
FCC ID: Q4BFM105
88T9
+
LOAD
Sensitivity
NEUT
30 min
-
Sensitivity
LINE
+
LOAD
30 min
-
FM-105
Microwave (5.8 GHz)
Occupancy Sensor
10
sec
NEUT
Time Delay
10
sec
FM-105
FCC ID: Q4BFM105
APPLIANCE
CONTROL
88T9
Metal
shield
Hot/Line
Neutral
Position metal shield between FM-105 and lamp/ballast.
Coverage
Wall Mount
Ceiling Mount
18’ (5.5m)
18’ (5.5m)
12’ (4m)
12’ (4m)
Installed
FM-105
inside a ceiling
inside
ceiling
mount
mounted
fixture
lighting fixture
at
at8’a (2.5m)
height of 8’
height
6’ (2m)
6’ (2m)
MIN.
3’ (1m)
MAX.
20’ (6m)
Installed
inside a wall
mounted
lighting
fixture at a
height of 5’
(1.52m)
(2.44m)
MAX.
MIN.
Coverage pattern will vary based on installation of sensor and surrounding materials.
Ordering
Information
Pub. No. 29301 rev. 12/2011
Catalog No.
FM-105
Description
High Frequency Occupancy Sensor
Voltage
Load Capacity
120 VAC
0-800 W ballast or tungsten
277 VAC
0-1200 W ballast
www.wattstopper.com | 8 0 0 . 8 7 9 . 8 5 8 5
FIXTURE SENSORS & CONTROLS
Mounting &
Wiring
• Dimensions: 2.0” x 3.09” x 1.63” (51.0mm x
78.5mm x 41.4mm) L x W x D
• Weight: 2.3 oz (65.2 g)
• Operating temperature range: -4-131°F
(-20-55°C)
• FCC approved
• UL and CUL listed
• Five year warranty
• 120/277 VAC, 50/60 Hz
• Load requirements
@ 120 VAC, 60 Hz: 0-800 W ballast or tungsten
@ 277 VAC, 60 Hz: 0-1200 W ballast
• Light Level: 2-200 fc
• Range/Sensitivity: Up to 20’ (6.1m)
• Time delay: 10 seconds to 30 minutes
• Operating frequency: 5.8 GHz
• Power output: 1 mW
LOAD
Specifications
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