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| | | A-LAS Series ► Laser Analog Light Barriers | | |
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| | | Parallel laser light with homogeneous light distribution in round or rectangular cross-section is used for measuring, positioning, and detection of objects starting from a size of 0.01 mm. - Visible laser beam (laser class 2) - Apertures available from 0.2 mm to 30 mm - High reproducibility starting from 0.5 Mm - High analog band width (300 kHz) - Optics and optics cover made of glass - Various electronic control units available (partly parameterisable under Windows® via RS232) | | |
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| | | Characteristics | | |
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| | | Collimated laser beam | | Homogeneous light distribution | | |
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| | | The use of high-precision apertures in the industrial transmitters ensures optimum adaptation to the respective application. Apart from a large variety of standard apertures special apertures can also be realised. The aperture guarantees a homogeneous light distribution on the beam and a sharp beam limitation. | | |
| | | The laser light beam that is emitted by a high-precision optical unit (aspherical surface made of glass) allows the detection of smallest objects (e.g. threads) even in case of a large transmitter/receiver distance (distances up to 5m, depending on the aperture). Advantages: - telecentrical design - Exact shadow projection onto the receiver - The distance of measuring object from the transmitter or receiver has no influence on the measuring signal. | | |
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| | | X-direction Y-direction Conventional design: Beam profile in the two main axes | | |
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| | | X-direction | | Y-direction | | |
| | | Light barrier of A-LAS Series | | Conventional light barrier | | |
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| | | A-LAS Series: Beam profile In the two main axes | | |
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| | | Measuring principle Partial covering of the laser beam leads to a voltage at the analog output that is proportional to the degree of covering. | | |
| | | Compact and sturdy metal housing With their sturdy metal housing and their high type of protection the laser light barriers of series A-LAS are designed for demanding applications in machine construction. With respect to the housing size the A-LAS-90 sensor type with integrated laser driver and pre-amplifier electronics, for example, can be compared with conventional sensor types, and it can be installed and mounted without any problems. | | |
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| | | Covering of light spot in % | | |
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| | | Senser | | |
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| | | Sensor Instruments GmbH • D-94169 Thurmansbang Tel. +49 (0)8544 9719-0 • Fax +49 (0)8544 9719-13 | | Schlinding 11 | | info@sensorinstruments.de • www.sensorinstruments.de (2005-09-08) A-LAS Series /Page 1 of 4 | | |
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