Precision Time Protocol synchronization capable LWIR GigE camera

Synchronized LWIR

Precision Time Protocol synchronization capable LWIR GigE camera

The LWIR GigE camera Calibir DXM640 covers wavelengths from 8 to 14µm and is PTP synchronization capable.

The Calibir DXM640 uncooled LWIR camera offers shutterless imaging in a frontal form factor of 29x32mm. (Image: Teledyne Dalsa Inc.)

Thermal infrared imaging has been around for decades. Until recently, the high production cost of detectors for un-cooled thermal imagers (called microbolometers) have limited the technology almost exclusively to high-paying defense clients. New technological developments in the last few years have propelled this capability to the commercial market in the form of a small cell phone attached or handheld devices made for whole scene temperature measurements and inspection. These are quickly gaining popularity in applications such as house inspection, water damage detection, electrical installations preventive maintenance and many others. A microbolometer works much like older rolling shutter CCDs. The signal is integrated over a period for one line, then the next, then the next, one line at a time, until you have a full frame. For this reason, it is difficult to implement the standard machine vision-oriented features typically encounter on the machine vision market like asynchronous reset triggers and precise time protocol-based camera synchronization. The long wave infrared (LWIR) camera Calibir DXM640 offers these types of capabilities and comes equipped with an updated feature set for improved image enhancement. The microbolometer-based platform covers wavelengths from 8 to 14µm and offers a variety of lenses. With VGA resolution, standard GigE interface, and on-board processing features, the cameras serve a wide range of uncooled industrial imaging applications. It comes with an internal shutter for increased reliability and image quality, although it can also be used shutterless using the factory calibration image correction. The camera is Precision Time Protocol (PTP) synchronization capable allowing for an array of cameras to be synchronized together through an Ethernet network. Teledyne Dalsa have worked around the limitations of microbolometer technology to allow machine vision clients to capture short lived thermal moments and reduce inspection time. This allows users to push the limits of the pixel response time to scene changes and capture short-lived events like a thermal pulse traveling through a diode as a result of a pulsed current event.

Thematik: Allgemein
Teledyne Dalsa Inc.
www.teledynedalsa.com

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