Measurement and Testing 35
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Reliable IR Temperature Measurement in Extreme Conditions
The ratio pyrometer Optris (Germany) CTratio 1M is designed for non-contact measurement of temperatures in the range between 700°C and 1800°C. Its functional principle guarantees precise measurements even when the field of view is severely occluded, for example by fumes. This makes it highly useful for applications in harsh environments.
With the CTratio 1M, Optris has added a ratio pyrometer with fibre optic cable to its high-performance series. The measuring instrument is used especially in ambient temperatures up to 250°C where the measuring head requires no cooling. In contrast to traditional connections, the optical multi-fibre cables used here comprise multiple interwoven glass fibres. This makes the fibre highly break-resistant, so that the pyrometer can be installed in difficult-to-access areas and maze-like production environments. Cables are deliverable in lengths up to 22 m to cover the majority of installation scenarios. Other advantages are the very fast response time of 5 ms and an integrated laser sight to mark the actual spot size.
The functional principle of ratio pyrometry (i.e. measuring at two different infrared wavelengths) makes the pyrometer largely insensitive to dust, fumes and soiled sight glasses. This means that measurements remain accurate even when the degree of soiling of a sight glass exceeds 90 %. The pyrometer also delivers reliable measurements if the target object fills only 5 % of the spot size, or if it moves very rapidly. This reliability of the infrared sensor permits the implementation of process control and quality assurance even in the harshest of industrial environments. In the standard package, the measured values are output as analogue data. Alternatively, six different digital interfaces are available (USB, RS232, RS485, CAN, Profibus DP, Ethernet).
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New Software for Research & Scientific Termal Imagers
Oil in Water/ Soil Analyzers
• Oil & Gas Produced Water
• FRAC Water
• Fats, Oil & Grease in Wastewater
• Wastewater Treatment Centers
• Soil Remediation Sites
FLIR Systems (France) has introduced a new and considerably enhanced version of its FLIR ResearchIR thermal measurement, recording, and analysis software.
Designed for research and development and advanced scientific applications, the new software provides a comprehensive set of easy-to-use acquisition, diagnostics, and data sharing tools. In addition the new software includes customisable, savable workspaces that allow users to simply arrange how images, data, charts, and plots are displayed.
ResearchIR connects directly to scientific FLIR thermal imaging cameras via USB, Firewire, Gigabit Ethernet, and Camera Link enabling fast viewing of thermal snapshots and movie files. The software supports a range of options including pre- and post-trigger recording based on user configured start/stop times, scene temperature thresholds, frame rate, and more.
As well as performing real-time image analysis with an extensive set of measurement modes, ResearchIR also features zoom and pan capabilities enabling closer examinations. Software options for preset sequencing and superframing allows researchers to more effectively analyse scenes with large temperature differences or targets with rapid thermal dynamics. An array of enhanced charting and graphing capabilities permits users to create line profiles and temporal plots for all of the measurement tools.
ResearchIR can export image and plot data graphically as a Bitmap, CSV, or Matlab file for reporting or further analysis in other software programs. In addition thermal movies can be output as standard AVI files with the option to display overlays.
With the ability to view, record, and store images at high speed, post-process fast thermal events, and export still and moving thermal imagery, ResearchIR offer unmatched capabilities to help improve the efficiency and efficacy of research, science, and development investigations.
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APRIL / MAY 2013 •
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