Gas Detection - UK Focus xiii Volatile Organic Compound Detector Stands Out in the Field
When a new hand held photoionisation detection (PID) instrument was required by supplier of environmental sampling and monitoring equipment, Van Walt, the revolutionary Tiger volatile organic compound (VOC) detector from Ion Science – leading manufacturer of PID/VOC detectors – was considered the best solution on the market.
Supplied by Shawcity, UK distributor of Ion Science products, the Tiger VOC detectors are being used by Van Walt’s customers, who are mostly environmental research consultants, in the UK, Spain and New Zealand.
Vincent Van Walt, Director at Van Walt explains: “Our reputation for supplying high quality equipment, which has been built up over 30 years, is of paramount importance to us. That’s why we meticulously source products that are the latest, most effi cient and most reliable available. The Tiger, which is also backed by a fi rst class service, support and training package from Shawcity, meets all these requirements and more.”
He continues: “Our customers expect the right tools for the job and the Tiger’s PID capabilities are second to none. It utilises advanced patented fence electrode technology with increased resistance to humidity and contamination, meaning it is less prone to fogging. Together with a clear, easy to read display, this makes the Tiger ideal for use in harsh fi eld environments. Equipment is often designed by people who have never set foot in the fi eld and this is
clearly not the case with the Tiger. The PID sits comfortably in the hand for easy VOC detection, offers fast start-up with no complicated set-up processes and is entirely fi t for purpose.”
A robust hand held VOC detector, Tiger provides a dynamic detection range of 1ppb to 20,000ppm, offering the widest measurement range of any other VOC instrument on the market. Ready to use, straight out of the box, the Tiger requires no complex set up procedures via a PC to perform basic functions and provides the best available VOC detection and software features available.
Ion Science’s Tiger also has the fastest response time on the market of just two seconds and can be connected directly to a PC via the USB offering fast data download capabilities. It has been designed for the safe replacement of batteries in hazardous environments and is intrinsically safe - meeting ATEX, IECEx, UL and CSA standards. Van Walt offers its environmental research equipment on a sale or rental basis but most customers choose to hire the Tigers as they need to be calibrated to suit individual applications.
Maintenance-Free Gas Detection
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The self-monitoring device features on/off capability and fi eld adjustable alarm settings. During hazardous conditions users are alerted via three alarm functions: vibration, red fl ashing LEDs and audible buzzer. The instrument is fi tted with a robust stainless steel alligator clip that attaches easily onto a collar or vest, putting the instrument near the breathing zone for maximum protection and safety.
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Also available is the new PS1 auto bump and calibration station that provides a fast visual indication that an instrument is calibrated correctly, thereby improving compliance, record keeping, effi ciency, and accuracy. Easy to operate, simply place the PS1 into the cradle and close the door. Calibration is complete in 90 seconds and bump testing in 60 seconds. The unit requires minimal effort by users.
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Fixed H2
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The BACKGROUND
The facility plant uses large pulpers to separate, sort and clean over 100,000 tonnes of residual municipal waste in an environmentally and economically sustainable manner each year. Once the organic material has been digested the gases are used by turbine engines on site to generate renewable heat and power.
When the organic waste is sorted in the pulpers, it contains rotting fruit, which is notorious for the by-production of toxic amounts of H2
stage. And it’s this H2 S which can be problematic on site! Not only is H2
S once it reaches the anaerobic S corrosive to
engine and machines, but it’s an irritant and toxic to humans, even in low ppm levels.
Currently the facility provides employee protection with personal gas monitors but an environmental consultant identifi ed the need for the added security of a fi xed gas detection system to provide instant notifi cation of an alarm condition.
The CHALLENGE During the pulping process, a constant background level of H2
S is omnipresent so sensor
technology and placement are crucial to reducing the occurrence of false and/or constant alarming. Employee protection is of paramount importance, so alarm levels and outputs were planned in line with current EH40 guidelines.
The SOLUTION
Once a site survey had been carried out by the technical sales engineer at a1-cbiss, he indentifi ed specifi c hotspots where there were high levels of H2
that a total eight Oldham OLCT 100 sensors were to be installed.
Installation was carried out by John Dakers of a1-cbiss who has over 30 years experience in gas detection and more recently, project management. In addition to gas sensors, an Oldham MX43 control panel was installed in the control room with a local beacon for alarm notifi cations in the plant room and the control room. A further eight beacons were also located adjacent to each sense within the plant area to provide maximum employee protection and awareness.
“The advantage of the Oldham gas detection portfolio is that its measurement range and accuracy can tune out the background levels of Hydrogen Sulphide to provide proven performance in harsh environments” John Dakers, Project Manager at a1-cbiss.
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IET Fixed Gas
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S present and concluded RECOGNISED SYSTEM INTEGRATORS
Using our expert engineering knowledge, our project team produce the design, specify equipment and integrate the system before it’s delivered to site by our service and maintenance team
Our consultative approach helps to provide you with the most suitable gas detection system for your requirements
a1-cbiss Expertise: Design & Integration
Installation Commissioning
Service & Support
www.a1-cbiss.com Read our case studies online
677ad@reply-direct.com | Or visit stand L2055 @ S Gas Detection System Installed at Biogas Facility
A large biogas facility located in the North West recently approached a1-cbiss to provide a fi xed gas detection system for the monitoring of Hydrogen Sulphide (H2
referred to the facility by an environmental consultant carrying out on site inspection at the time, because of their knowledge and experience in specifying and installing gas detection systems.
S). a1-cbiss were
PERSONAL & ENVIRONMENTAL GAS DETECTION SYSTEMS FOR THE UK
Gas Measurement Instruments, an IST company, have introduced their new maintenance-free PS1 Series single gas monitor designed with industry leading features. Both lightweight and easy to use, the device offers sensor options for monitoring hydrogen sulphide, oxygen, carbon monoxide, or sulphur dioxide.
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17/03/2014 13:15:03
www.envirotech-online.com IET March / April 2014
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