44 Air Monitoring Mass production begins for state-of-the-art air quality monitor
EarthSense has announced that its state-of-the-art Zephyr air quality monitor, an industry-fi rst in small sensor technology with replaceable cartridge system, will go into mass production. The expertly designed Zephyr monitor is a multi-sensor platform which samples the air and provides accurate measurements of air pollution, such as nitrogen dioxide (NO2
) and ozone (O3 ), from a range of pollution sources.
The volume production of the Zephyr small sensor helps establish EarthSense as a leading global player in the air quality fi eld, meeting the increased industry demand for reliable air quality monitors and providing innovative data solutions to help the world understand and solve its air quality issues.
Marking a signifi cant production milestone, mass manufacture of the Zephyr with leading contract electronic manufacturers will allow the completion of a larger volume of sensors at a quicker turnaround. Reduced unit costs will be passed on to the customer making the Zephyr one of the best value, high performance small form sensor available on the market.
Volume production of the Zephyr will offer customers such as local councils, corporate and research bodies, car manufacturers, planning and policy makers the ability to integrate reliable air quality data into their projects seamlessly and effectively. Mass manufacture of the Zephyr complements the successful growth of the company in recent months and highlights its reputation for technical excellence in air quality services in the UK and abroad.
Users of Zephyr-based clean air solutions will experience the benefi t of cutting-edge academic knowledge along with versatile developmental features. Born of fi fteen years of air quality research at the University of Leicester, the Zephyr has a unique replaceable cartridge system that measures air pollutants such as NO2 The Zephyr also has additional options for measuring particulate matter, sulphur dioxide (SO2
, O3 , as well as background humidity and temperature. ), carbon monoxide (CO), andhydrogen sulphide (H2 S) allowing a range of combinations to be achieved for
optimal measurements. The simple and attractive Zephyr casing is compact, lightweight and portable, and can be operated in static or mobile mode, with easy access via a standard API protocol providing a superior and intuitive user experience.
“We are committed to broadening the accessibility of our products and services, now is the time for EarthSense to deliver mass deployment of the Zephyr sensor as well as keeping a focus on providing quality data going forward,” says Managing Director Tom Hall. “We are working with a fantastic team of suppliers who fi t seamlessly with the culture of our business and clean air ethos.”
New multigas emissions analyser
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The 4900 Multigas can be confi gured with a combination of paramagnetic, infrared and gas fi lter correlation sensors, and unites high- specifi cation monitoring power with a low cost of ownership.
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, N2
When matched with a suitable sampling system, this makes it ideal for multiple measurements at MCERT/QAL1 certifi cation of the pollutants NO, SO2 CO2
O and CH4 with outstanding accuracy. Contained within a compact, robust next-generation platform, the 4900 Multigas is designed to integrate easily into CEMS systems and cabinets.
As the successor to the highly successful SERVOPRO 4900 CEMS analyser, it is fully backwards compatible with existing 4900 installations, delivering the same key measurements alongside improvements in communications and control.
An intuitive, icon-driven colour touchscreen allows for enhanced user interaction and device confi guration, while digital protocols include RS232/RS485 Modbus and PROFIBUS, with Ethernet Modbus TCP/IP to follow.
The ultra-stable, non-depleting sensing technologies and auto-calibration function ensure minimal maintenance which results in low lifetime ownership costs, while USB connectivity facilitates easy data logging and software updates.
The 4900 Multigas also provides up to four analogue inputs, eight digital inputs, 32 alarms and 32 relays. Servomex’s Charles Segar, Product Manager for Industrial and Trace Analysers, said: “The new 4900 Multigas is a key component of our comprehensive CEMS solution for the market.
“It delivers the range of critical CEMS measurements our customers require, with the stability and reliability they demand. The next-generation platform’s enhanced user interface and advanced communications ensure trusted performance that matches the needs of modern industry.” For More Info, email:
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TDL gas analyser for NH3
, HCl, CH4 and CO, plus O2 . It also measures the greenhouse gases
Servomex has launched the SERVOPRO 4900 Multigas, a high-performance continuous emissions (CEMS) analyser. Designed for the measurement of criterion pollutants, greenhouse gases and reference oxygen, the 4900 Multigas uses a range of Servomex’s industry- leading digital sensing technologies for ultra-stable, reliable CEMS monitoring of fl ue gases.
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, CO2
, (H2
O)
ETG uses technology- enhanced TDLS for gas detection, where a 0.1 nm narrow bandwidth diode laser beam scans across an absorption band of the target gas, performing a high-resolution near- infrared absorption measurement. Electronic lock-in technology allows separating the gas absorption information from electro-optical system information, leading to a detection method eliminating the need for a physical reference channel and offering continuous sensor status monitoring. Thus, ETG TDL 6900 series present a clear alternative to current sub-optimal detection solutions and combine precise, contact-less optical measurements with high target gas selectivity, calibration-free operation, low cost-of-ownership and easy operation.
The ETG 6900 series are ready-to-use devices for the measurement of gases such as NH3 CH4
, CO2 , (H2 , HCl,
O). These lines of instrument are ready to use in the fi eld of gas detection and monitoring in diverse industries. The high sensitivity and large dynamic range of the Tunable Diode Laser Spectrometry (TDLS) detection technology enables measurement from sub-ppm level to high percentage concentration without physical adaptation of the device.
IET November / December 2018
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