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Operating principle
Diffuse
Reflex
Diffuse and reflex
Through-beam (receiver)
Through-beam (emitter)
Output
PNP x1
PNP x2
PNP x1, 4-20mA
PNP x1, 0-10V
PNP x2, 4-20 mA
PNP x2, 0-10V
PNP x2, SYNC/MUX
NPN x1
NPN x2
NPN x2, 4-20 mA
NPN x2, 0-10V
NPN x2, SYNC/MUX
4-20 mA
0-10V
Housing
M12
M18
M18 right-angle head
M30
40 x 40mm
Operating range (mm)
0-200
30-200
0-300
40-300
50-300
60-300
300-400
0-700
100-700
0-900
100-900
150-1000
0-1200
80-1200
200-1300
50-1500
0-2000
200-2000
200-2500
400-3000
350-3500
350-6000
600-6000
Housing material
Plastic
PBT
Stainless steel 316L (1.4404)
Nickel-plated brass

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Contrinex ultrasonic sensors

Contrinex ultrasonic sensors provide reliable, non-contact detection of solid,liquid, granular or powdered materials in air, tolerating precipitation, humidity, dust and fumes. Target materials may be colored, transparent, polished or matt; detection is practically independent of the target’s direction of travel. Diffuse-mode and reflex sensors emit bursts of high-frequency sound waves toward a target, measuring the time elapsed until an echo is received.

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Contrinex APE-0000-001 Programming tool

Contrinex APE-0000-001 Programming tool

£532.48(£638.98 Incl VAT)

Diffuse sensors.
With diffuse sensors, the target itself reflects the ultrasonic impulses. When the target enters a preset sensing area, the echo reflected from it causes the device to switch. To eliminate false switching, the Contrinex ultrasonic Diffuse family includes excellent background suppression in Miniature (M12) and Small (M18) devices. The latter are available in normal or short housings, including 90°sensing and teach-in versions. Sensing ranges extend from 30 to 700 mm.

Reflex sensors.
Reflex sensors, a fixed reflector (e.g. a small metal plate) is mounted facing the device. The switching range is set to this reflector. If an object comes between the ultrasonic sensor and the reflector, the sensor no longer recognizes the latter, which causes the output to switch. The Contrinex ultrasonic Reflex family comprises Small (M18) devices with short housings, including 90° sensing and teach-in. Use of a reflector eliminates the blind zone, so that sensing ranges extend from 0 to 700 mm.

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Contact Us

Seltec Automation LLP
Unit G, Venture Business Park
Witty Street, Hull
East Yorkshire
HU3 4EL

Tel: 01482 225 297
Fax: 01482 212 470

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