Gas Detection 51
Portable Laser Gas Detector for Landfi ll CH4 NH3 and CO2
, Monitoring Explosion Proof Area Hydrogen Monitor
H2scan’s HY-ALERTA 2600 Explosion Proof Area Hydrogen Monitor provides hydrogen-specifi c leak detection and measurement for hydrogen concentrations as low as 4000 ppm and can be scaled to any concentration up to 5% hydrogen by volume, a range representing 10% to 125% of hydrogen’s lower fl ammability limit. The monitor is designed for either ceiling or wall mount and has an RS422 capability that extends the interface from the Hydrogen Sensor Module to the Control Module to several hundred feet. H2scan’s hydrogen-specifi c sensor technology has no cross sensitivity to other combustible gases, thus eliminating false positive alarms and ensuring safety system reliability.
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Landfi ll Gas (LFG) is the product of microbiological decomposition of land- fi lled waste. The bacteria thrive under anaerobic conditions and turn complex organic compounds found in waste matter into primarily Methane and Carbon Dioxide. LFG is approximately 50-55% methane and 40-45% carbon dioxide. The ETG 6900 P, a portable Laser Gas Detector (LGD) based on Tunable Diode Laser Spectrometry (TDLS), provides a solution to many gas detection challenges in landfi ll emission monitoring and process control. This technology offers unique advantages like precise optical, contact- less measurements, excellent target gas selectivity and sub ppm-level detectivity. The TDLS technology is enhanced for gas detection, where a 0.1 nm narrow bandwidth diode laser beam is scanned 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. The ETG 6900 P thus present a clear alternative to current sub-optimal detection solutions and combine precise with high target gas selectivity, calibration- free operation, low-cost-of-ownership and easy use by the customer. The ETG 6900 P analyser is powered by Li-ion battery and can be used without an AC power supply. It can be used for measurement of the concentration of CH4 CO2
, and NH3 in sample gases . Main features are: Very fast CH4 , CO2 , NH3
detection, internal sample pump, robust case for portability, zero & span calibration, continuous sensor status monitoring, low cost-of-ownership, touch screen monitor, ethernet and USB, modbus, profi bus and ethernet output, arm processor based, and digital input/output.
Applications include natural gas networks, landfi ll surface emissions and methane leaks.
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42045pr@reply-direct.com
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InfraTec GmbH Infrarotsensorik und Messtechnik
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The Dräger Regard 7000 is a state of the art modular control system for monitoring various gases and vapours. Its fl exible expandability ensures long term viability for gas detection systems of increasing complexity. In addition, it is backward compatible with previous Regard systems.
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Dräger designed the Regard 7000 for a wide range of applications and confi gurations. It processes analog transmitter input signals supporting remote access via HART (Highway Addressable Remote Transducer) in the near future. HART simplifi es installation, confi guration, maintenance, and documentation of the gas detection system. A Modbus RTU output is available for retransmitting gas detection data to higher-level systems. The most demanding alarm logic sequences can easily be programmed, such as delays for process optimisation.
The system architecture of the Regard 7000 prevents the entire system from failing if one component fails (single point of failure). In addition, it is easy to add independent subsystems. False alarms are effectively reduced by optimised signal conditioning fi lters, manual alarm suppression, and the automatic comparison of analog and digital transmissions. Special analogue transmitter signals such as errors or warnings are indicated as text messages, making them easy for anyone to identify. A simple, easy to read menu layout with user-friendly icons simplifi es operation and increases your plant’s safety.
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HY-ALERTA 2600 Explosion Proof Area Hydrogen Monitor
Flexible and Future-Proof New Gas Detection Control System
Looking to Grow Your Company’s Product Sales Portfolio?
Are you a Distributor with a proven track record in selling gas
detection, laboratory or safety products? Are you looking for a quality range to enhance your sales portfolio?
Euro-Gas are currently searching for Companies in the UK and across Europe to distribute the pioneering and world-leading Komyo Kitagawa Gas Detector Tube System and range of gas detector accessories.
We offer full training, support and marketing assistance for all our Distributor Network members. Please get in touch for information. We look forward to meeting you!
Churston House, Bascombe Road, Churston Ferrers, Devon, TQ5 0JJ, United Kingdom.
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So small and so effective
, Euro Gas Distributors .indd 1
„ High performance LiTaO3 „ IR filters protected inside „ Hermetic sealing available „ Wide field of view „ Thermal compensation available
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☎ +44 (0)1803 844414 Fax: +44 (0)1803 844224 Email:
sales@euro-gasman.com
Web:
www.euro-gasman.com 7075ad@reply-direct.com
Sensor Division Pyroelectric detectors
Made in Dresden – Germany
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
A PASSION FOR INNOVATION
Gostritzer Straße 61 – 63 01217 Dresden/GERMANY
7816ad@reply-direct.com www.envirotech-online.com IET March / April 2017
Phone Fax
+49 351 871-8625 +49 351 871-8727
E-mail
sensor@InfraTec.de Internet
www.InfraTec.de
istockphoto.com: © GlobalP
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