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Oxygen sensors,
Oxygen measuring systems
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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New thermo-paramagnetic oxygen
transmitter for harsh industrial applications |
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 Michell
Instruments: The new XTP600 oxygen transmitter from Michell is a
robust self-contained oxygen transmitter that makes oxygen measurement
in the process industry as simple as a field pressure or temperature
measurement. While traditional paramagnetic oxygen analysers suffer from
drift, Michell’s latest thermo paramagnetic technology makes this
transmitter almost drift-free. The XTP600 measures oxygen content
between 0.01 and 100% using the latest developments in non-depleting
thermo-paramagnetic technology. With no moving parts, the transmitter
can be sited directly in harsh industrial environments without any risk
of interference from vibration. The extremely compact size and simple
design of the XTP600 makes it ideal for installation next to the
measurement point with no additional cost for extensive piping or
frequent maintenance and calibration. Hydrogen applications are known to
cause significant sensor drift in traditional oxygen analysers. With the
latest thermo-paramagnetic technology the sensor element of the XTP600
is extremely stable even in ... |
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+ Info |
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Exact measurement of residual oxygen
content in furnace exhaust gas |
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 The
MF010-O-LC dynamic oxygen measuring system from J. Dittrich
Elektronic is the fail-safe way to determine the residual oxygen
content in furnace exhaust gas. With the help of a coupled controller
the excess air specified for reasons of safety can be minimised and
combustion in the furnace optimised, thereby increasing efficiency. In
this way it is possible to compensate for fluctuations in the quality of
fuels for modern wood firing. Contrary to a lambda probe which measures
the relative oxygen content, the extremely robust oxygen measuring
system determines the absolute content, i.e. the oxygen partial pressure
in the exhaust gas. For this reason, fluctuations in air pressure,
humidity and temperature have no influence on the accuracy of the
measurement. The system is calibrated electrically, without reference
gas and without additional personnel, in atmospheric air at the end of
the furnace’s ventilation phase, thereby reducing maintenance work. This
is made possible by a dynamic zirconium dioxide sensor ... |
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Michell Instruments helps preserve
‘iconic’ artwork |
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 Michell
Instruments has loaned two instruments to the National Needlework
Archive (NNA) to help preserve an iconic mural. Designed by Constance
Howard for the Festival of Britain in 1951 ‘The Country Wife’ is
considered to be one of the 20th Century’s most important textile works.
However, after nearly 60 years, the mural is in urgent need of
restoration work to ensure its survival. Part of the preservation
process involves storing the work in an anoxia bubble where levels of
oxygen are maintained at 1% with a relative humidity of less than 50% at
23°C. In order to monitor this environment, the NNA is using two of
Michell’s instruments: an XTP600 Oxygen Transmitter and a DM509 RH
handheld device. The XTP600 uses the highly stable thermo-paramagnetic
sensing technology to measure levels of oxygen in gases. With its high
reliability and low maintenance requirements it is ideal for
applications such as this where an instrument is needed to monitor
conditions over a long period of time. The DM509 is a versatile
hand-held relative humidity and temperature transmitter. ... |
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+ Info |
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A
selection of recently
published
technical
articles & products:
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Fail-safe oxygen measuring system
increases the efficiency of pellet heaters |
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 Increasing
numbers of households are now turning to wood or pellet heaters for
their central heating systems. Using the fail-safe MF010-O-LC oxygen
measuring system from J. Dittrich Elektronic it is possible to
determine the residual oxygen content in furnace exhaust gas. With the
help of a controller, the excess air necessary for reasons of safety can
be minimized and combustion optimized, thereby increasing efficiency.
Emission values in the exhaust gas fall. In addition, it is possible to
compensate for fluctuations in the calorific value of the fuel or in the
fuel supply. Contrary to a lambda probe which measures the relative
oxygen content, the extremely robust oxygen measuring system determines
the absolute content, i.e. the oxygen partial pressure in the exhaust
gas. For this reason, fluctuations in air pressure, humidity and
temperature have no influence on the accuracy of the measurement. ... |
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+ Info |
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New thermo-paramagnetic oxygen transmitter works without drift in
hydrogen applications |
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Michell
Instruments: Hydrogen applications are known to cause significant
sensor drift in traditional oxygen analysers. The measurements in such
environments are not only false but also limited to certain hydrogen
concentrations. With the latest thermo-paramagnetic technology from
Michell applied to the sensor element of the new XTP600 oxygen
transmitter, these limitations are lifted. The special design of the
measurement cell eliminates transmitter drift and deterioration by
preventing the hydrogen molecules from diffusing into the sensor. The
new XTP600 oxygen transmitter from Michell was developed as a robust
self-contained oxygen transmitter for applications in various areas of
the process industry. The XTP600 transmitter measures oxygen content
between 0.01 and 100% utilising the latest developments in the
non-depleting thermo-paramagnetic technology. With no moving parts and
explosion proof housing, the transmitter can be directly used in harsh
industrial environments as well as hazardous areas. In applications
where fast response speed and high accuracy are essential for safety,
the XTP600 oxygen transmitter is ideal. ... |
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New Oxygen Analyser Product Line from
Michell Instruments |
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 With
over 30 years’ experience in delivering highly reliable solutions in gas
analysis, the Michell Instruments Group has responded to the
demand for an integrated product offering with a range of high
performance Oxygen Analysers. The new product line uses recent
developments in technology to measure of oxygen at both trace (ppm)
levels and percentage oxygen concentrations and is suited for both clean
environments as well as harsh and hostile applications. It is a natural
step in Michell Instruments’ growth strategy. The variety of oxygen
applications mean that a particular type of oxygen analyser, developed
with a specific technology, is required for each situation. The complete
range of Michell Oxygen Analysers use a selection of technologies each
suited to a different set of applications. The analysers of the XZR-400
and XZR-500 series are based on the unique MSRS Zirconium Oxide
technology for accurate and repeatable oxygen concentration measurement.
The XZR-400 is designed for detecting oxygen in clean gases while the
XZR-500 is designed for flue gas analysis. Due to their patented
metallic sealed reference Zirconium Oxide Sensor, there is no need for
reference air making the installation of both ranges simple and cost
effective. The XTP-600Y and XTM-600 Series are rugged industrial
analysers housed in explosion-proof enclosures. The XTP 600Y is based on
the Michell proprietary advanced thermoparamagnetic technology with no
moving parts. This makes the sensor ideal for applications where it will
be exposed to movement and vibration – such as on board an oil tanker.
The XTM-600 Series uses both the traditional paramagnetic (dumb-bell)
oxygen sensor ... |
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