24 Portable / Field Testing


Gas Analyser for Oxygen Analysis Down to ppm


LWIR High-Speed Camera for R&D and Science Launched


The gas technology manufacturer Witt has unveiled a new development that can measure trace oxygen levels. The gas analyser PA 7.0 now enables reliable analysis in the ppm (parts per million) range.


In many industrial processes, even the smallest amounts of oxygen can cause major problems, such as undesired oxidation. Even trace quantities of oxygen in gaseous media are now detected by the PA gas analyser. This is made possible by a highly sensitive zirconium cell, now available as an option. Witt has thereby extended the PA product series into a totally new dimension of gas analysis. While the classic PA with chemical sensor measures in increments of 0.1 %, the new zirconium version detects in the ppm range. The accuracy of the measurements is +/- 5% relative to the measured value.


All measured values are stored, and can downloaded via a standard interface for further processing. Weighing just under six kilos, the PA is only 186 x 285 x 270 mm (HxWxD) in size. It is protected by its sturdy stainless steel housing.


Witt’s new PA version forms part of an extensive product portfolio comprising mobile and stationary systems for countless gas applications – especially in food packaging, medical applications, metalworking, glass production as well as in numerous industrial processes requiring a high degree of precision.


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FLIR Systems has announced the X6570sc high- speed infrared camera, the latest in FLIR’s X6000sc series of cameras for engineers, researchers, and scientists. This longwave infrared (LWIR) high performance camera offers the accuracy and microsecond- precision of FLIR’s


mercury cadmium telluride (MCT) detector paired with an intuitive user experience, so researchers can set-up quickly and get working faster.


FLIR engineered the X6570sc to provide researchers with measurement accuracy, advanced processing algorithms, and connectivity. The X6570sc camera records 640 x 512 full frame video at 234 Hz (up to 14,550 Hz with windowing) with the rapid integration times needed to analyse high-speed processes or monitor fast temperature spikes. The camera is sensitive enough to distinguish temperature differences down to 20 mK, and offers connection options including Camera Link Medium and BNC for sync and trigger with external equipment.


An important concern for many research labs is the diffi culty of sharing equipment across users, departments, and locations. The X6570sc offers saved user confi gurations for effi cient transfer between test teams. It’s also free from import restrictions, so users in multiple departments or cross-border locations can fully focus on their research instead of worrying about export/usage restrictions.


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New Fixed Gas Analysis System Builds on Reliability and Accuracy


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Geotech’s new fi xed gas analysis system, the BIOGAS 3000, primarily for the Anaerobic Digestion (AD) biogas and bio-methane upgrading market has been designed to enable site operations to maximise gas production yield and protect expensive capital equipment from the damaging contaminant gases contained within the production process.


Key to this is building on Geotech’s reputation for accuracy, reliability and world class customer service and support, resulting in improved performance capabilities on previous models.


Geotech’s new ATEX certifi ed fi xed gas analyser is calibrated to ISO 17025. It is quick and easy to install and offers AD customers zero service downtime.


points assessing CH4 , CO2 ,O2 , H2 S and H2


The introduction of the new fi xed system marks another milestone for Geotech, a global leading manufacturer and supplier of gas analysis technology as it diversifi es its product offering to suit the growing needs of its customers in over 60 countries across the world.


The BIOGAS 3000 is a next generation fi xed analyser that offers optimal continuous monitoring of the gas production process, utilising up to four sample levels. This forms part of the overall AD solution provided by Geotech in conjunction with


a range of portable gas analysers. The BIOGAS 3000 design builds on previous analyser strengths and incorporates easy installation in under four hours with full on-site maintenance of all parts. Alongside this careful consideration has been given to the varied environments in which the analyser will be installed around the world, with specifi c protection designed in to deal with extreme weather conditions and also moisture created in the gas stream.


Other key benefi ts include: Zero operational downtime for servicing, minimal through-life costs with extended warranty service packs, ease of operation, integration and installation, operational within hazardous areas, local support for peace of mind, product reliability and longevity, customisable to site requirements.


The BIOGAS 3000 is certifi ed to both ATEX and IECEx Zone 2 and is equipped with a multi-faceted alarm system for early warning awareness.


Geotech provide best in class after sale support services including training webinars and technical support, to ensure customers get the best from the new in BIOGAS 3000 system.


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AET Annual Buyers Guide 2017 www.envirotech-online.com


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Humidity and Temperature Transmitter with Heated Sensing Probe


Continuous high relative humidity (RH) can impair the long- term stability and accuracy of humidity sensors. Therefore, the new EE211 humidity transmitter from the Austrian sensor specialist E+E Elektronik features a heated sensing probe. This leads to best accuracy and long-term stability in high-humidity (>85% RH) and even in condensing environment.


The EE211 is designed for accurate humidity and temperature measurement under continuous high-humidity or condensing conditions. The device is ideal for climate control in fruit and vegetable storage, in greenhouses, incubators, ripening processes or in mushroom growing.


In order to avoid drift effects due to long-term exposure of the sensing elements to high humidity, the sensor head of the EE211 humidity probe is continuously heated. The permanent over-temperature leads to max. 80% RH at the sensor. Condensation-related dirt deposits as well as corrosion of the sensor are thereby prevented.


Furthermore, the unique E+E protective coating also protects the active sensor surface from contamination and corrosive infl uences.


The combination of these features results in considerably improved long-term stability and increases both the service life and the measuring performance of the sensor.


The EE211 calculates the dew point temperature (Td) based on the RH and temperature values measured by the heated humidity probe. A separate, interchangeable temperature probe measures the ambient temperature (T). From Td and T the EE211 calculates back the ambient relative humidity as well as additional physical quantities like absolute humidity, mixing ratio, wet-bulb temperature or specifi c enthalpy.


The measured values are available on the Modbus RTU interface or on two analogue current or voltage outputs. The optional backlit display can show up to three measurands simultaneously.


The Modbus RTU parameters, the scaling of the analogue outputs and the display layout can be set with the free confi guration software. The user can also carry out one or two-point humidity and temperature adjustment. The temperature probe can also be calibrated separately.


The IP65/NEMA 4 enclosure offers optimal protection for the EE211 electronics. Additionally, for best performance even in aggressive environment, the measuring electronics inside the humidity probe are fully encapsulated.


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