181
MQ-W
SPECIFICATIONS
1) Ratings
2) Performance
3) Output circuit diagram
NPN Output type
PNP Output type
Operating side
Rated operating voltage
Detection principle
Triple beam triangulation sensing method
Detection method
Area reflective type
Type
Amplifier selfcontained DC type
Part number
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
Sensing range
0.03 m .098 ft.
0.2 m .656 ft.
0.7 m 2.297 ft.
Detectable distance
0.02 to 0.04 m .066 to .131 ft.
0.04 to 0.2 m .131 to .656 ft.
0.2 to 0.7 m .656 to 2.297 ft.
Standard target
White drawing paper
1
i1 cm .394i.394 inch
White drawing paper
2
i2 cm .787i.787 inch
White drawing paper
7.5
i7.5 cm 2.953i2.953 inch
Detectable target
Opaque, translucent
Operating voltage range
9.6 to 30 V DC ripple (P-P) included
Response time (freq.)
2 ms or less (250 times per second or less)
Initial insulation resistance
Min. 20 M
Ω between a lead wire and external housing (at 500 V DC)
Initial breakdown voltage
Between a lead wire and external housing: 500 Vrms for 1 min
Vibration resistance
10 to 55 Hz (1 cycle/min), double amplitude 1.5 mm .059 inch (2 h each on 3 axes)
Shock resistance
980 m/s2 {approx. 100 G} (6 times each on 3 axes)
Protective construction
Diecast case immersion protected (equivalent to IEC IP67)
Incandescent lamp
Usable ambient
light level
10,000 lux or less
Sunlight
30,000 lux or less
Ambient temperature
–25 to 55°C –13 to +131°F (non-icing condition)
Ambient humidity
Max. 85% RH (non-condensing condition)
Storage temperature
–25 to 55°C –13 to +131°F
Indicator
Light source
Operation indicator: Red LED ON with light entry
Adjustment indicator: Red LED ON with sufficient volume of lights
Infrared LED/Red LED (R is added to the suffix of W3(20)A(C) in the part No.)
Hysteresis
10% or less the set range
20% or less of the set range
12 to 24 V DC
30 mA or less (excluding load)
100 mA or less
Rated current consumption
Output current capacity
Load side
Note: Unless otherwise specified, the measurement conditions comprise rated operating voltage, power supply by battery, 20°C 68°F ambient
temperature, standard target and 200 lux or less illuminance on the receiver surface.
03/2003
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