Gas Detection 15


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High Speed, High Sensitivity Thermal Cameras


Detecting Benzene in Hazardous Areas


Benzene is an industrial chemical commonly found throughout the petrochemical industry. It is extremely hazardous and a recognised human carcinogen so it’s essential that sub parts per million (ppm) benzene concentrations can be measured rapidly and accurately in the presence of the hundreds of aromatic and aliphatic compounds encountered in the industry.


Traditionally it has not been possible to collect accurate measurements due to a lack of available technology. However, Ion Science offers a range of high performance personal, handheld and fi xed benzene specifi c detectors for use in hazardous applications across the world.


For data critical zones, Titan is the world’s only fi xed, continuous benzene specifi c monitor for detection of ambient benzene in petrochemical and refi nery applications where traditional methods suffer cross interference. Providing the ultimate real-time protection of workforce, environment and plant, Titan is capable of detecting benzene levels down to 0.1 ppm and up to 20ppm.


When a sample is taken, the benzene component is chemically fi ltered using robust separation technology which eliminates false negatives and positives.


FLIR Systems has introduced two high-speed, longwave thermal cameras for demanding science and research applications, the FLIR X6900sc SLS and FLIR X8500sc SLS. Shown at the SPIE Defense and Commercial Sensing convention in Anaheim, California (USA), both cameras provide the faster frame rates, shorter snapshot speeds, and wider temperature ranges needed for the most demanding scientifi c research applications.


The new thermal cameras are based on FLIR’s highest-speed, midwave thermal camera models, the X6900sc and X8500sc, but feature strained layer superlattice (SLS) detectors fi ltered for longwave infrared. These SLS detectors produce high frame rates and wide temperature ranges, as well as integration times that are more than 12 times faster than their midwave counterparts. FLIR combined this advanced technology with popular features of high-speed visible cameras, such as remote triggering and precise synchronisation, to produce high-performance cameras that can capture meaningful data for anything from aerospace research to composite materials testing.


The FLIR X6900sc SLS high-speed longwave thermal camera captures full-frame 640x512 thermal images at 1004 frames per second, at temperatures up to 3000 degrees Celsius. The FLIR DVIR™, a removable storage device that comes standard with the X6900sc SLS, saves up to 26 seconds of data to on-camera RAM without dropping frames. With advanced triggering options and an automatic, four-position fi lter wheel, this camera offers the functionality to stop motion on high-speed events both in the lab and at the test range.


The FLIR X8500sc SLS records up to 181 frames per second of full 1280x1024 HD thermal imagery. This camera also features the FLIR DVIR which saves up to 36 seconds of data to on-camera RAM without dropping frames, and can measure temperatures up to 3000 degrees Celsius. The X8500sc SLS streams high-speed, 14-bit data simultaneously over Gigabit Ethernet, Camera Link, and CoaXpress for live viewing, analysis, or recording.


“Offering an SLS-version of FLIR’s X6900 and X8500 science cameras raises the bar on high- speed thermal imaging,” said Rickard Lindvall, Vice President and General Manager of FLIR’s Instruments segment. “The longwave SLS detector allows us to make a faster camera that can reach higher temperatures and yet still offer all of the cutting-edge functionality scientists and researchers have come to expect from FLIR.”


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With a robust and reliable design, the Ion Science Tiger handheld PID provides a dynamic detection of one ppb to 20,000 ppm, offering the widest measurement range on the market. It is easy to set up and provides advanced volatile organic compound (VOC) detection with advanced software features. It has a fast response time of just two seconds and can be connected directly to a PC via the USB offering rapid data download capabilities.


The versatile Tiger Select model has two mode operation for the accurate detection of benzene and total aromatic compounds (TACs). Utilising the high output Ion Science 10.0eV PID, a reading for TACs is seen immediately on start-up.


Should TACs be detected, a benzene pre-fi lter tube can be easily attached to allow rapid detection and selective measurement of benzene.


Throughout the measurement process, Tiger Select continues to display real time data, keeping the worker safe. Benzene concentrations are displayed down to ppb levels.


As the world’s smallest, lightest and most sensitive gas detector, Ion Science’s CubTAC personal PID features audible, vibrating and fl ashing LED alarms designed to give workers an early warning of exposure to hazardous gases, including benzene, before they reach harmful levels. CubTAC also uses the 10.0ev PID to give a reliable aromatic hydrocarbon concentration.


The Titan, CubTAC and Tiger Select all incorporate Ion Science’s next generation MiniPID 2 sensor which offers increased temperature stability, greater sensor-to-sensor consistency and more repeatable performance at low temperatures.


Ion Science MiniPID 2 sensors include patented Fence Electrode Technology for industry leading humidity resistant performance whilst ensuring fast and accurate detection of VOC gases. With its anti-contamination design, drift is minimised by protecting the sensor from moisture, dust and aerosols. The MiniPID 2 also offers an innovative self-diagnostic feature that indicates whether the lamp is failing to illuminate or the electrode stack is contaminated.


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So small and so effective


New Miniaturized Two Channel Pyroelectric Detector with a Wide Field of View in TO46 Housing


„ Aperture of (3 × 2) mm², chip size about 1 mm² per channel


„ High performance LiTaO3 „ IR filters protected inside „ Hermetic sealing available „ Wide field of view „ Thermal compensation available


Sensor Division Pyroelectric detectors


Made in Dresden – Germany


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InfraTec GmbH Infrarotsensorik und Messtechnik


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A PASSION FOR INNOVATION


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