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Stemmer expands Piranha HS family of TDI cameras

A Stemmer Imaging product story
Edited by the Engineeringtalk editorial team Aug 4, 2009

Stemmer Imaging has introduced the Piranha HS-82-04K series of time delay integration (TDI) linescan cameras with 4096 x 48 or 96 pixel resolution and Cameralink data transfer interface.

This is the latest addition to the Dalsa Piranha HS family of TDI linescan cameras.

The new range offers a maximum line rate of 110kHz and throughput of up to 640MHz and its characteristics can also reduce the number of machine vision components required for many applications, significantly reducing overall costs, according to the company.

The Piranha HS-82-04K offers a selectable 'area mode' of operation, which facilitates camera alignment and optical focusing.

The cameras are capable of bidirectional scanning and have up to 96 selectable stages, while preventing overexposure with 100x anti-blooming.

Camera configuration is said to be flexible, with the number of Cameralink taps, throughput and line rate controlled through software.

Other programmable features include bit depth, flat field correction, direction control and gain and offset control.

TDI technology increases the integration time available to collect incident light from a moving object compared to other video scanning methods in applications from wafer, PCB and LCD panel inspection to high-end document scanning.

This enhanced sensitivity to low light levels enables reduced lighting levels at conventional speeds or the speed of the target object or inspection web to be increased at conventional light levels.

With less light required, high-frequency AC or standard light-emitting-diode (LED) lighting can be used instead of high-powered, high-cost lighting, such as halogen.

According to the company, this lowers initial system costs and maintenance costs.

The high line rates and sensitivity of the Piranha HS series may also make it possible to reduce the total number of cameras needed in an application.

This would also reduce the number of frame grabbers, lenses, computers and cables required.

Find out more about this article. Request a brochure, download technical specifications and request samples here.

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