180
Operation
Indicator LED
MQ-W3 type
MW-W20 type
Distance adjustment dial
Adjustment
indicator LED
Adjustment
indicator LED
Operation
Indicator LED
MQ-W70 type
Distance adjustment dial
Very accurate detection by triple beam triangulation sensing method in a compact package.
FEATURES
Accurate detection regardless of
color, material, or shape of objects
Area reflective type sensor can detect
white or black object at the same dis-
tance. In case of diffuse reflective type,
it is difficult to detect objects of various
color with the same sensitivity setting.
MQ-W area reflective type sensor is
useful for such a case.
No-miss operation regardless of
back-grounds
Area reflective type sensor does not
detect objects beyond the set range.
Resistant to lens surface soiling
Area reflective type sensor detects the
distance by the angle, not the intensity
of received light. Even if the lens sur-
face is soiled by dust or any powdery
material, there is a little variation of
sensing range.
Environmental resistance
Immersion protected construction
(equivalent to IEC IP67)
High speed detection: Max. 2 ms
Light-ON/Dark-ON output is wire
selectable.
Operating voltage of 12 to 24 V DC
Adjuster and Indicators
(Comply with EMC directive MQ-W-EM type only)
SENSING RANGES
PRODUCT TYPE
Sensing range (m ft.)
0.03 .098
0.2 .656
0.7 2.297
MQ-W3 types
Detection method
Triple beam area
reflective type
Range
0.03 m .098 ft.
12 to 24 V DC
NPN
Infrared LED
MQ-W3A-DC12-24V
MQ-W3AR-DC12-24V
MQ-W3C-DC12-24V
MQ-W3CR-DC12-24V
MQ-W20A-DC12-24V
MQ-W20AR-DC12-24V
MQ-W20C-DC12-24V
MQ-W20CR-DC12-24V
MQ-W70A-DC12-24V
MQ-W70C-DC12-24V
MQ-W3A-DC12-24VEM
MQ-W3AR-DC12-24VEM
MQ-W3C-DC12-24VEM
MQ-W3CR-DC12-24VEM
MQ-W20A-DC12-24VEM
MQ-W20AR-DC12-24VEM
MQ-W20C-DC12-24VEM
MQ-W20CR-DC12-24VEM
MQ-W70A-DC12-24VEM
MQ-W70C-DC12-24VEM
Red LED
Infrared LED
Red LED
Infrared LED
Red LED
Infrared LED
Red LED
Infrared LED
PNP
NPN
PNP
NPN
PNP
0.2 m .656 ft.
0.7 m 2.297 ft.
Rated operating voltage Control output
Light source
Part number
*1 CE types
MQ-W20 types
MQ-W70 types
*1 These suffix EM types conform to CE. These types have the grounding connection inside of housing
MQ-W
Triple Beam Trigonometric
Area Reflective Photoelectric Sensors
SERIES
* Original
Sensor
03/2003
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