Gas Detection - UK Focus xvii A Dual-Gas Hydrocarbon / Carbon Dioxide Sensor
in a Single Industry Standard Size Package The Dual-Gas ‘Platinum’ series of miniature infrared gas sensors from Dynament provide simultaneous measurement of Hydrocarbons / Carbon Dioxide within a single industry standard 20mm x 16mm package. They are now available in a Low Power version which consumes only 15 milliamps @ 3 volts dc equivalent to 7.5 milliamps per
sensor. An additional option is for EN 50271 / SIL 1 SIRA certifi ed versions.
The sensors are particularly suited for use in Portable Gas Detectors where measurement of Hydrocarbons and Carbon Dioxide in a single package provides a saving in both a space and current consumption thereby increasing the operating time of battery powered equipment.
The ‘Ex’ certifi ed versions of the sensor have both IECEx and ATEX certifi cation for Industrial and Mining use. The Mining certfi cation includes M1 Ex d+ia I Ma.
The sensors can accurately detect gas levels over the range of 0 to 100% volume. The sensors can be pre-confi gured for specifi c measurement ranges according to customer requirements. Methane versions feature auto-ranging in order to provide high resolution for Lower Explosive Level (LEL) measurement and in addition contain a fully temperature compensated Propane characteristic. The standard operating temperature range for the sensors is -20 to +50 degrees C. Every individual sensor undergoes full temperature compensation over this range for Methane, Propane and Carbon Dioxide gases with the characteristics stored within the sensor electronics. Extended temperature versions of the ‘Non-Ex’ form only are available to special order covering either -40 to +50 degrees C (‘XT’ type) or -40 to +75 degrees C (‘XTR’ type).
Luxembourg Police Crime Scene Division use Handheld VOC Detector
Luxembourg Police Crime Scene Division or Section Police Technique is using an Ion Science Tiger volatile organic compound (VOC) detector to identify potential fi re accelerating substances during arson investigation.
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Inspector Seiwert continues: “The Tiger is so easy to use we didn’t require any additional training. You only have to power it on and it immediately starts to measure. The same applies to the optional calibration kit we use. The accompanying technical documentation provided by Ion Science Messtechnik leaves no questions unanswered.
“The service provided by Ion Science Messtechnik was excellent and I wouldn’t hesitate to recommend them and the Tiger to other police departments and private arson investigators.”
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A robust hand held VOC detector, Tiger provides a dynamic detection range of 1 parts per billion (ppb) to 20,000 parts per million (ppm), 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 extremely fast data download capabilities. It has been designed for the safe replacement of batteries in hazardous environments and is intrinsically safe (IS) - meeting ATEX, IECEx, UL and CSA standards.
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Does Your Gas Detection System Need a Health Check?
If you’re the health and safety manager on site you want to know that your plant and employees are protected at all times.
At any point your employees could be exposed to fl ammable, toxic and oxygen asphyxiate hazards and the only thing standing between you and these gas hazards is your gas detection program. It goes without saying that your gas detection system should be considered an important aspect of the overall integrated safety plan.
All gas detection applications can vary and with this so do the factors that contribute to the health of your gas detection system. The most common failure in gas detection systems and in particular with catalytic sensors, is performance failure due to sensor exposure. However, this isn’t a factor that can be seen by the human eye as faults like this require calibrations and bump testing.
A vital part of avoiding sensor degradation and other common issues is periodic servicing, maintenance and calibration. Although there’s no specifi c legislation pertaining to the frequency of servicing, it is still the responsibility of the safety professional on site to ensure proper working gas detection system.
Therefore it is essential to have a routine maintenance and calibration program for your gas detection system.
a1-cbiss ltd have recently launched a free gas detection system health check campaign. This is designed to assess the condition of your fi xed gas detection system and provide recommendation for how to carry out routine maintenance. The free gas detection system health check from a1-cbiss delivers insight to your gas detection system with the aim of helping you to set up or expand your current maintenance plant with the long term goal of maximising safety.
We’ll come out to site at a time that suits you to conduct a free full examination of your current gas detection system (even if we didn’t install or supply it). Using our knowledge that we’ve gained from our 25 years in the industry, we’ve created a diagnostic check list to examine all aspects of your gas detection system.
Once the health check has been completed we will generate a complete report that’s unique to your gas detection system, highlighting any issues that may need attention as well as discussing any concerns that we may have.
You can keep a copy of the fi ndings for your own records and if there’s anything else you wish to discuss we will be more than happy to help.
Paul Morgan, Sales and Service Manager at a1-cbiss ltd is instrumental in carrying out the health checks. With over 20 years spent in technical industries he has knowledge of a wide variety of gas analysers
“Our health check will help you put an action plan in to place; it doesn’t matter if your system is one or fi ve years old the health check will help to determine if your fi xed gas detection system is fi t for purpose. The check is non-invasive and looks at factors such as gas sensor location. We’re aiming to reduce the cost and time associated with checking your system, whilst still providing you with peace of mind that you can rely on your detection program. We want to provide you with free advice from the experts in gas detection to guarantee the safety of the plant.”
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Does Your Gas Detection System Need A
www.a1-cbiss.com/free-service-health-check
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www.a1-cbiss.com IET Advert Gas Detection
Sept.indd 1
685ad@reply-direct.com 11/09/2014 12:52:34
FREE HASSLE
Expert Advice
Design, Build &
Integration
Inspector Yves Seiwert from Luxembourg Police Crime Scene Division says: “Our old detector was unreliable so when it needed to be replaced we decided to look for a model from a different manufacturer. I often use detectors from private arson investigators and the Tiger was the one that impressed me the most. We found the website for Ion Science Messtechnik and they kindly sent us one which we tested extensively before deciding to purchase.”
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GAS DETECTION
Installation & Commissioning
Service & Support
www.envirotech-online.com IET September / October 2014
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