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Compact industrial sensor sees three dimensions at once. |
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True 3D efector pmd 3d is the first industrial 3D sensor that can detect scenes and objects in three dimensions at a glance. Integration of their unique PMD (photonic mixer device) time-of-flight measurement sensing technology into a full vision chip, has allowed sensor market leader ifm electronic to produce a truly innovative device. The image sensor has 64 x 48 pixels. Each pixel of this chip matrix evaluates its distance to the object, resulting in 3072 distance values. The image of the object on the matrix and the respective distance values correspond to a 3D image. The geometrical characteristics of the object or the scene can be read from these values. This means the object and the sensor can be stationary, line scanning followed by complex post-imaging processing is simply not involved. The integrated time of flight measurement based on pmd technology allows evaluation of geometrical characteristics such as volume, distance, level or surface area. The innovation: the measurement and the evaluation of the time of flight are integrated on one chip. The applications are easy to resolve, as the firmware has the capability, all you have to do as a user is select the type of evaluation and set the parameters. The choice is yours: two switching outputs indicate the results; or alternatively, one of these switching outputs can be configured as 4...20 mA / 0...10 V analogue output. The device is independent of, and unaffected by, external lighting conditions, having its own powerful built-in infrared illumination. The 3D vision sensor thus provides illumination, depth measurement and evaluation in one housing. Exceptional technology in a very small space – made by ifm of course. For further information on PMD 3D Sensor
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