W18-3, Photoelectric proximity sensor, Background suppression Sick WT18-3K420 (1061203)

Photoelectric sensors
W18-3, Photoelectric proximity sensor, Background suppression   Model Name WT18-3K420 Part No. 1061203   Самое главное Sender LED with infrared light Precise background suppression Sensing range setting via potentiometer Immune to ambient light Rugged plastic housing Преимущества Very long sensing distances due to high-performance infrared light Reliable object detection with high-precision background suppression due to second sender LED Quick and easy sensing distance adjustment due to 4-turn potentiometer Crosstalk and ambient light immunity reduce false readings and downtime High availability in the field

Features
	Dimensions (W x H x D):	17.6 mm x 75.5 mm x 33.5 mm
	Sensing range max.:	10 mm ... 1,000 mm 1)
	Sensing range:	50 mm ... 1,000 mm 2)
	Housing design (light emission):	Rectangular, Slim
	Light source:	LED 3)
	Type of light:	Infrared light
	Wave length:	870 nm
	Sensitivity adjustment:	Potentiometer, 4-turn
	Sensor/detection principle:	Photoelectric proximity sensor, Background suppression
	Light spot (distance):	30 mm (600 mm)

1) 2) Object with 90 % reflectance (referred to standard white DIN 5033)  3) Average service life 100,000 h at Ta = +25 °C

Mechanics/electronics
	Enclosure rating:	IP 67
	Supply voltage:	10 V DC ... 30 V DC 1)
	Residual ripple:	< 5 Vpp 2)
	Power consumption:	55 mA 3)
	Switching output:	PNP, Light/dark-switching, Complementary
	Output current Imax.:	100 mA
	Response time:	< 700 µs 4)
	Switching frequency:	700 Hz 5)
	Connection type:	Connector M12, 4-pin
	Circuit protection:	A, C, D 6) 7) 8)
	Weight:	40 g
	Housing material:	ABS
	Optics material:	PMMA
	Ambient operating temperature:	-40 °C ... 60 °C
	Ambient storage temperature:	-40 °C ... 75 °C
	Voltage supply-LED:	Yes
	Output indicator:	Yes
	UL File-No.:	UL No. NRKH.E181493 & cUL No. NRKH7.E181493

1) Limit values, operation in short-circuit protected network max. 8 A  2) May not exceed or fall short of VS  3) Without load  4) Signal transit time with resistive load  5) With light/dark ratio 1:1  6) A = VS connections reverse-polarity protected  7) C = interference suppression  8) D = outputs overcurrent and short-circuit protected

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