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Gas Detection
Sponsored by
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The following papers have been generously provided to ICEweb by our valued sponsor Honeywell Analytics - Please support our sponsors, without them ICEweb could not exist.
Honeywell
Analytics Gas Book - This handbook is intended to offer
a simple guide to anyone considering the
use of gas detection equipment. It provides an
explanation of both the principles involved and the
instrumentation needed for satisfactory protection
of personnel, plant and environment. The aim has
been to answer as many as possible of the most
commonly asked questions about the selection and
use of industrial gas detection equipment.
Honeywell
Analytics Gas Detector Newsletter - This
is packed full of features and articles on Gas Detection.
GAS DETECTION technology and applications- This is a 52 page booklet full of good F&G information.
4-20mA Transmitter Wiring - -Transmitters are available with a wide variety of signal outputs. The 4-20mA analogue signal is by far the most commonly used in industrial applications. Several physical 4-20mA wiring options exist. This guidance note aims to outline these options.
Comparison of Optical Detection Systems for Infra Red Hydrocarbon Gas Detection - This document gives a good comparison of IR techniques.
Infra Red Open Path Gas Detection - A Technical note from ICEweb
Infra Red Point Gas Detection- A technical note from ICEweb
Monitoring of Air Ducts - Some really useful information here about gas detection monitoring in air ducts- thanks to Simrad Optronics and ICEweb sponsor PROdetec
IR Open Path IR Gas Detector Manual from Simrad, section 1 describes the principal of operation thanks to Simrad Optronics and ICEweb sponsor PROdetec
IR Point Gas Detector Manual from Simrad, section 5 describes the principal of operation thanks to Simrad Optronics and ICEweb sponsor PROdetec
How
to Manage Hazardous Areas effectively by using Gas Monitors - Electrical
equipment installed in hazardous areas, necessarily has to conform to the area
classification for that area. However, frequently, practical problems arise,
where the specified equipment may not be easily available. For example, an area
classified as Zone 1 under the IEC system, theoretically can accept only Zone 1
equipment. However sometimes, especially in case of specialized equipment, Zone
1 certified equipment of that type may not be available. In such cases what
could be done? This paper presents the background of such situations, possible
solutions and current international practices regarding this issue - Thanks to
our valued sponsor Abhisam
Software.
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E-learning
course on Gas
Monitors -From our valued sponsor Abhisam
Software- This course includes the whole
range of gas detectors and monitors providing training covering the
following;
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The following technical articles have been supplied courtesy of Draeger Australia
Detecting
combustible gases and vapours -catalytic bead or infrared? -Anyone
wishing to detect combustible gases and vapours is generally faced with the
following important questions: Is it better to use the more economical catalytic
bead sensors or the longer life infrared sensors? What are the advantages and
disadvantages of each? What points are important to note? Are there certain
applications which are better suited to one or the other method? This article
aims to provide answers to the questions most frequently asked in this context.
Fire
and Gas detection for Gas Turbines - Modern gas
turbines are designed to burn light oils (Naphtha) or natural gas. Fuels and the
lubricating oils along with cooling agents like hydrogen add-up to a high degree
of hazard potential. For these reasons a multiple line of defence has to be
established to guaranty protection against fire and explosion risks. Gas
detection instruments and optical fire detectors are the central element in the
protection systems.
Planning
of Gas Detection Systems -This
brochure is a guide for the planner and installer
of gas detection systems. Whilst it is written around Polytron gas detection
systems it gives a number of
answers for recurring questions
emerging during the installation of typical sytems.
Planning
and Designing Gas Detection Systems - With a grasp of gas
sensor basics, and a methodical plan for installing the detectors, you can build
a system smart enough to save your life - Wolfgang Jessel
Positioning
of Sensors Guidelines - The problem for gas
detection systems in general , for 95% of installations there are no precise
guidelines , either national or international, that could be followed to
determine the number, spacing and positioning of gas
detectors for a given industrial installation. This paper addresses this issue.
Polytron
IR -calibration made easy
OpenPath
detectors - photoelectric barriers for detecting flammable gases-
This is an excellent technical paper on open path IR
gas detection.
Upgrading
to infrared technology made easy - Pellistors
or catalytic bead sensors already installed into various industries can easily
be replaced by IR – without any technical hurdles. Neither the control system
nor the electrical wiring need to be adapted.
The following articles are from the Interscan Corporation
Gas
Detection Knowledge Base - Many useful articles on Gas Detection
here.
Useful
Conversions for Gas detection - These are very handy.
Interfering
Gases- No analytical method is completely
specific. Gases present in the environment, other than the "target"
gas of measurement, may affect instrument response. Interferences are not
necessarily linear, and may also exhibit time dependent characteristics.
The following handbooks and technical papers are
from General Monitors.
Combustible
gas safety monitoring:
Fundamentals
of Combustible gas detection - A 36 page technical Guide on the
Characteristics of Combustible Gases and Applicable
Detection Technologies.
Infrared
Technology for fail to safe hydrocarbon gas detection - In the past few
years Infrared technology has provided an alternative to Catalytic Detectors.
Other Links
Planning
and Designing Gas Detection Systems - This
paper has a wealth of questions, answers, positioning tips etc, from the ISA and
InTech it is well worth a read.
Photoacoustic
infrared technology is the newest method of gas
detection. It enables gases to be detected at extremely
low levels due to its inherent stability and reduced
cross-sensitivity- Thanks to MSA
Gas
Detection using Lasers - A good tutorial on this new technology from Boreal Laser.
