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U5850 Series TrueIR Thermal Imagers

Data Sheets

U5850 Series TrueIR

Thermal Imagers

Find potential problems faster with the higher resolution and affordability of our TrueIR Series of thermal imagers. Only from Keysight Technologies, Inc. can you get a 320 x 240 fine resolution thermal imager with image logging and trending capability at a lower price than the typical 320 x 240 resolution thermal imager.

1) Notice for EU Customers only: Keysight will discontinue the U585xA series TrueIR Thermal Imagers for European (EU) countries due to RoHS non-compliance on April 1, 2021. The last day to place order for this product is March 31, 2021. Keysight will continue to provide world-class support for this product for the standard period of 5 years.

2) Notice: The U585xA Series TrueIR Thermal Imager will be discontinued on December 1, 2021. The last day to place order for this product is November 30, 2021. Keysight will continue to provide world-class support for this product for the standard period of 5 years.


• Identify abnormalities faster with four times more in-camera fine resolution

• Stream, record and playback thermal images up to 8 frames per second with TrueIR Analysis and Reporting tool.

• Monitor temperature changes through image logging and temperature trending capabilities

• Ability to focus on objects as close as 10 cm away

• Compact, lightweight, ergonomic

• High temperature range (up to 1200 °C)

• Easy-to-use customizable color palette

• Configurable quick access buttons to easily change settings with one hand

Today’s hottest imagers

Detect Abnormalities Sooner with Higher Resolution Thermal Images Within the Camera

Get more details with fine resolution

Fine resolution is a technology that restores the details originally inherent to the object while enhancing the resolution, at the same time minimizing fuzziness and noise. It is accomplished by performing sophisticated calculations on continuous multi-frames of the image — evaluated for misalignment caused mainly by hand tremor. The firmware then detects and corrects the information between images through one feature pixel.

With fine resolution,

• Get an effective 320 x 240 pixels of radiometric JPEG IR image which is clearer and sharper.

• See fine details on objects as close as 10 cm, especially when measuring temperature on small components which are close to each other.

• With four times digital zoom, magnify a thermal image of a far-away object to quickly identify anomalies and to reveal even finer details.

• These are essential for industrial, building inspection, electronics, as well as medical research.

Image logging and temperature trending

Image logging is a capability that enable users to monitor the performance of their object or DUT at a specified interval. Users performing temperature profiling of their design or performing equipment failure analysis will find this feature useful, especially with the easy to use TrueIR Analysis and Reporting tool.

With this PC software, users can import, analyze, edit and present their thermal images to their clients swiftly.

Stream, record, playback and analyze thermal images

With the enhanced TrueIR Analysis and Reporting Tool, users are able to stream live thermal images from a PC. This feature is especially useful for monitoring DUT’s performance and perform equipment failure analysis. Now you can easily record thermal image up to 8 frames per second and simply playback the recorded video to perform detailed analysis and generate report.


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