W18-3 Ex, Photoelectric proximity sensor, Background suppression Sick WT18X-3P920 (1029901)

Photoelectric sensors
W18-3 Ex, Photoelectric proximity sensor, Background suppression   Model Name WT18X-3P920 Part No. 1029901   Самое главное Best-in-class optical performance due to superior OES3 technology Background suppression with second sender LED Slim, durable plastic housing Sensors meet requirements of category 3G/3D Преимущества Reliable object detection due to best-in-class background suppression and ambient light immunity Reliable use in potentially explosive atmospheres High availability in the field Quick and easy installation using SICK accessories saves time

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
	Output current Imax.:	100 mA
	Response time:	< 700 µs 4)
	Switching frequency:	700 Hz 5)
	Connection type:	Cable with plug, M12, 4-pin, 0.29 m 6)
	Cable material:	PVC
	Circuit protection:	A, C, D 7) 8) 9)
	Weight:	300 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
	ATEX marking:	EX II 3D IP67 T70 °C Ex II 3G EEx nA II T4 X 10)
	UL File-No.:	EEx II 3D IP67 T70°C, ATEX Nr. 1845Q & EEx II 3G n A II T4 X
	Hazardous area category:	3D, 3G

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) Do not bend below 0 °C  7) A = VS connections reverse-polarity protected  8) C = interference suppression  9) D = outputs overcurrent and short-circuit protected  10) Conformity with directives. Explosion prevention: Directive 94/9/EC

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