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Gas sensors / CO2 sensors
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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The world´s smallest NDIR CO2 sensor |
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 SenseAir
presents the world’s smallest CO2 sensor, SenseAir® S8,
which despite its small size has the same excellent performance
as SenseAir’s other sensors. 20 years experience of research and
development within the field of infrared gas sensing has now
brought us the world´s smallest NDIR CO2 sensor - SenseAir® S8.
The sensor is designed for high volume production with full
traceability by sensor serial number on all manufacturing
processes and key components. Every sensor is individually
calibrated and is provided with UART digital interface. The
sensor is maintenance-free and has an estimated life time of
more than 15 years. SenseAir® S8 is a module that is designed
for simple integration into other products. SenseAir® S8 can be
used in a wide range of applications such as in ventilation
control to improve energy savings and to assure a good indoor
climate. Other fields of use are personal safety and
measurements to increase process yield and to increase economic
value in biorelated ... |
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+ Info |
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CO2 Engine® K33 LP - Low-power CO2 Sensor Module |
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 SenseAir®:
CO2 Engine® K33 LP is a low-power module. The adjustable
measurement interval, results in average power consumption that
can be reduced to less than 52 μA (measurement 1/60 min). CO2
Engine® K33 LP is designed for low-power application. The module
is as all other sensors from SenseAir designed for high volume
production with full traceability by sensor serial number on all
manufacturing processes and key components. Every sensor is
individually calibrated and is provided with UART digital
interface. Optional features are RH/ Temp. APPLICATIONS: This
platform is designed to be a low-power OEM module for
integration into host apparatus, Such as battery operated
products, sensors with radio transmitters. Any application where
power consumption is important to keep at a minimum without
sacrificing the performance. ... |
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+ Info |
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| AppliedSensor Presents Session on
Advancements for Energy-Efficient DCV Systems Using MOS
Gas Sensor Technology at International AIVC Conference |
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| AppliedSensor, a designer
and manufacturer of chemical sensor components,
will present a session at the 32nd annual Air
Infiltration and Ventilation Centre (AIVC)
Conference scheduled to be held October 12-13,
2011 in Brussels, Belgium. AppliedSensor GmbH
Scientist Simone Herberger will lead the session
entitled, “Energy-Efficient Demand-Controlled
Ventilation (DCV) Using Micromachined Metal
Oxide Semiconductor (MOS)
Gas Sensor Technology.” The AIVC Conference
is supported by nine countries and will be held
in conjunction with the first annual TightVent
Europe Conference. This year’s theme is “Towards
Optimal Airtightness Performance.” Attendees
will have the opportunity to attend two parallel
session tracks: air tightness and ventilation.
“DCV is a popular conference topic because of
its impact on research, development, application
and market implementation. AppliedSensor’s
experience with MOS technology is a perfect fit
for this event. In fact, integrating our gas
sensor technology into the DCV system results in
a very energy-efficient, high-performing
building,” said AppliedSensor GmbH Director of
Marketing and Sales Heiko Ulmer. ... |
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+ Info |
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A
selection of recently
published
technical
articles & products:
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New Coating Improves Optic Performance |
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 SenseAir
is pleased to launch a new high-performance coating,
EQC (Eternal Quality Coating). The new coating is used in the
measurement cell and increases optic performance, using the
infrared gas measurement method. SenseAir's research team have
developed the new coating EQC which will further increase
quality and reduce the environmental load of the manufacturing
process. The use of EQC results in higher accuracy and
stability. It maintains high performance in varying temperature
and humidity, and in polluted air. The new coating is
manufactured through a completely new multi-layer technique and
has proved superior in all the tests performed. The new coating
is particularly suited to exposed environments and is resistant
to aggressive gases stemming from traffic, heavy industry and
public baths. The demand for accurate and reliable carbon
dioxide measurement is constantly increasing, and new standards
are introduced. One example is the new ASHRAE (American Society
for Heating, Refrigeration and Air-Conditioning Engineers)
specification of a Green Building Standard. Another example is
the Californian IAQ standard. Both include standards for
ventilation control through carbon dioxide measurement. By
accurately measuring the concentration of carbon dioxide in the
air ... |
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+ Info |
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New low power consuming CO2-sensor |
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 SenseAir®
presents the CO2 Engine® K33 LP, a new high-performance
CO2-sensor which consumes a minimum amount of energy. The sensor
is based on modern infrared technology (NDIR) and is designed
for easy integration with other products. The adjustable
measurement interval results in extremely low power consumption.
For hourly measurement of CO2 the average power consumption is
as low as 52μA. CO2 Engine ® K33 LP is designed for high-volume
production and has full traceability via serial numbers in all
manufacturing processes and on key components. Every sensor is
indivdually calibrated and is provided with UART/I2C digital
interface. The Sensor is maintenance-free and has an expected
lifespan of more than fifteen years. ... |
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+ Info |
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| New data logger for humidity,
temperature, CO2 and air pressure |
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 The
new HUMLOG20 data logger from E+E
Elektronik does not need to hide in any
application. The state-of-the-art, elegant
housing and the large display make the data
logger a real attention-grabber. The current
measurement values can be read off easily thanks
to the large display, even from a distance of
several metres. The excellent price-performance
ratio and the corresponding optics make the
HUMLOG20 the optimal choice for numerous
applications. Typical fields of application
include the monitoring and recording of
humidity, temperature, CO2 and air pressure in
museums, conference rooms or classrooms as well
as climate monitoring in clean rooms,
greenhouses, storage rooms or calibration
laboratories. The HUMLOG20 data logger offers
multiple customer benefits: Seamless data
logging over a period of more than a year is
possible thanks to the long battery life and a
memory capacity of 3.2 million measurement
values. The current measurement data are always
available in the network, as the data logger is
compliant with the network thanks to the
integrated Ethernet interface. ... |
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+ Info |
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| AppliedSensor iAQ-100 Indoor Air Quality
Module Installed in Energy-Efficient Equinox House |
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| AppliedSensor, a designer and
manufacturer of chemical sensor components, announced
that its iAQ-100 intelligent Indoor Air Quality Module
is installed in Newell Instruments’ Equinox House. The
“net zero residence” is known for its ability to consume
the same amount of energy as it produces, and was
featured in a recent ASHRAE Journal article series. The
iAQ-100 is incorporated into the home’s Conditioning
Energy Recovery Ventilator (CERV) to detect and remove a
broad range of potentially harmful volatile organic
compounds (VOCs). When VOCs are minimized, the module
instructs the system to decrease ventilation, thereby
improving energy efficiency and lowering utility costs.
Data gathered by Newell Instruments shows a consistent
correlation of VOC-to-CO2 levels. In addition, overall
results indicate optimal
indoor air quality and quick recovery from episodes
involving higher levels of VOCs. “My wife and I have
lived comfortably in Equinox House for the past year,
and the iAQ-100 has proven to be a very accurate and
cost-effective VOC sensor. The installation has
certainly helped Newell Instruments understand how human
activity correlates with CO2 and VOC levels – and how to
implement these findings with a demand-controlled
ventilation algorithm,” said ... |
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+ Info |
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More technical articles & products to this topic:
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Find
all manufacturers and suppliers of
gas sensors,
CO2 sensors |
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Siemens and Micronas announce development partnership in the gas sensor
segment |
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The Fire Safety & Security Products business
unit of the Siemens Building Technologies
division and Micronas (SIX
Swiss Exchange: MASN) announced a development partnership. Their
collaboration centers on the CMOS-compatible mySENS-chip
technology that Micronas has developed with input from Siemens.
Based on this technology platform, Siemens is working on
algorithms for its fire detector application with the aim of
bringing a new generation of spot-type fire detectors to market.
mySENS is a unique platform for semiconductor gas sensors that
can be adjusted for different target gases. mySENS technology
enables detection capabilities that no established methods can
achieve. These include selective detection of different fire
gases, minimal power consumption, extremely reliable detection
and a long lifetime. "We welcome this constructive collaboration
with Micronas. Based on Micronas chip technology we will use our
extensive knowledge of fire detection and our innovative
strength to develop the next generation of fire detection
equipment to market readiness," says Matthias Rebellius, CEO
Fire Safety & Security Products at Siemens Building
Technologies. "Gas sensors have the potential to ... |
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Save on installation costs with combined CO2/temperature measurement |
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E+E
Elektronik has added an additional passive
temperature measurement function to the tried-and-tested
EE85 CO2 transmitter for precise measurement of CO2
concentrations and temperatures in HVAC applications.
CO2 and temperature measurement in a single device cuts
installation costs for sensors. The combined CO2
temperature transmitter is ideally suited for
applications in the fields of building management and
demand controlled ventilation. The elegant, compact
housing enables easy installation directly at the
ventilation duct using a mounting flange. The CO2
measurement of the EE85 is carried out using infrared
technology (NDIR). The patented auto-calibrate function
compensates for any ageing effects (even if there is no
fresh air supply) and ensures excellent long-term
stability. The air to be monitored is conveyed to the
measurement cell in the housing by means of convection
via the measuring head and a 12-mm pipe. The exchange of
gas with the measurement cell is performed by diffusion
via a diaphragm. In this way, the gas in the measurement
cell circulates in a closed system. This prevents any
soiling of the optical measurement path and any
associated inaccuracies in the measurements. The
temperature the sensor is installed directly in the tip
of the measurement sensor and optimally protected
against soiling by a diaphragm filter. The passive
temperature sensor signal is available at the connection
terminals in the housing ... |
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Find
all manufacturers and suppliers of
gas sensors,
CO2 sensors |
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Fermentation research groups start the worldwide research challenge
“BlueCompetition” |
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The project phase of the international scientific
challenge “BlueCompetition” organized by
BlueSens Gas Sensor GmbH is about to begin. The
company received project proposals from research groups
in universities throughout the world. An independent
international scientific jury has selected twenty five
participants from among these proposals. The selected
participants are now starting their projects. Their
projects will investigate the use of fermenter gas
analysis in the development and optimization of
bioprocesses. “A lot of the workgroups are going to
explore future-oriented analysis techniques and
processing methods in the field of microorganism
fermentation”, explained one of the jury members, Dr.
Frank Eiden of the University of Applied Sciences,
Recklinghausen. All competing research groups will use
state of the art gas analysis equipment provided by
BlueSens Gas Sensor GmbH for the execution of their
projects. ... |
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CO2 Sensor for Fast Measurement |
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SenseAir®
presents a new high performance CO2 sensor optimized
for fast response time, the CO2 Engine® K30 FR. The sensor is
based on modern infra-red technology (NDIR) and is designed to
be easy to integrate with other products. CO2 Engine® K30 FR has
a response time of two seconds (T90) and measures 0-5000
ppm(CO2). The sensor is well designed to measure fast processes
with or without an external pump. CO2 Engine® K30 FR is designed
for high-volume production with full traceability by sensor
serial number. Every Sensor is individually calibrated and is
provided with UART digital interface and analogue output. The
sensor can be used in a wide range of applications where fast
changes need to be detected, such as gas leakage in food and
pharmaceutics packaging industry. Other uses are human occupancy
detection and leakage detection in industry environments ... |
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AppliedSensor Introduces Compact iAQ-engine for Installation in Small
DCV/HVAC Systems, New Indoor Air Quality Module Automatically Detects
VOCs, Reduces Energy Costs |
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AppliedSensor,a designer and manufacturer of
chemical sensor components and intelligent indoor air quality
(iAQ) modules, is introducing the iAQ-engine, a new indoor air
quality module with a footprint that is 68 percent smaller than
AppliedSensor’s iAQ-2000 module. The iAQ-engine’s compact size
(15.24 x 17.78 mm) and lighter weight (one gram) facilitates
installation in small housings such as residential air cleaners
and compact demand-controlled ventilation (DCV) and HVAC
systems. The iAQ-engine features low power consumption (50 mA at
5 VDC) and immediate to the presence of volatile organic
compounds (VOCs) such as bio-effluents, smoke, building
materials, paints and cleaning supplies in the surrounding air.
A change of resistance in the presence of these gases generates
a signal that is linked to specific gas concentration ranges and
is translated into parts per million (ppm) CO2 equivalent units.
The iAQ-engine alerts the DCV or HVAC system to increase
ventilation when defined threshold limits are exceeded, and
decrease ventilation when VOC levels return to normal. ... |
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AppliedSensor Indoor Air Quality Sensor Integrated into Reckitt
Benckiser’s New Air Wick FreshMatic Odor Detect Products |
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AppliedSensor, a designer and manufacturer of
chemical gas sensor technologies, announced that its intelligent
air quality (iAQ) sensing technology is now integrated into
Reckitt Benckiser’s new products under the Air Wick Freshmatic
brand – the first smart spray devices that automatically release
fragrance when odors are detected. The Air Wick Freshmatic Odor
Detect is designed to keep homes smelling fresh and welcoming
without users having to think about it. Smoke, fumes, cooking
odors and human bio-effluence can change the “perceived quality”
of the air. AppliedSensor’s iAQ sensor signals the Freshmatic to
release fragrance when unpleasant odors are detected. Users can
choose from three adjustable fragrance levels. "While some
indoor air quality sensors only react to the level of humidity
or carbon dioxide in the air, humans evaluate indoor air by how
it smells," said Heiko Ulmer, Director of Marketing and Sales
for AppliedSensor GmbH. "Our ability to work with OEMs such as
Reckitt Benckiser to integrate our iAQ technology in
high-volumes enables us to bring ... |
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Comfortable ambiance with the new Triple-sensor for the Indoor
Enviroment Control in residential and office spaces |
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B+B
Thermo-Technik has now a new, innovative
triple-sensor in it´s portfolio! With this sensor, the
relative humidity, temperature and CO2 concentration in
residential and office spaces are measured and
evaluated. The current measured values are output via a
0-10 V output. (For example, to a fan control). This
allows a more optimal indoor air quality! Two relay
outputs are switched on the measured CO2 concentration.
The signal thresolds are adjustable in 100 ppm steps. In
addition, is an automatic or manual operation possible.
The sensor has three LED lights (red, yellow, green, as
in a traffic light) with which the current CO2 content
is displayed. For different uses of the sensor, can be
installed in wall or on an interior wall. Uncontrolled
ventilation systems can be easily retrofitted to use the
sensor. The robust and easy to install device, can be
used in many ways, e.g., in passive or low energy
houses, flats or individual households. The triple
sensor is also used in offices, conference or meeting
rooms. ... |
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Find
all manufacturers and suppliers of
gas sensors,
CO2 sensors |
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Latest gas analyzer for monitoring cell growth processes |
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The
German company BlueSens
presents the new BlueInOne Cell gas
analyzer. The new analyzer for carbon
dioxide and oxygen has been specially
designed for monitoring cell growth
processes in biotechnology. The device
can be installed directly in the exhaust
flow of the bioprocess and measures the
concentration of CO2 and O2 there in
real-time. The BlueInOne Cell
automatically compensates any
fluctuations of pressure and humidity in
the system. The readings are therefore
extremely reliable even under
fluctuating measuring conditions. “The
new BlueInOne Cell is a cost-effective,
extremely uncomplicated, reliable and
accurate in situ gas analysis for cell
growth processes,” explains Dr. Holger
Müller, one of the managing directors of
BlueSens. The new oxygen sensor element
in the analyzer is now able to record
all oxygen concentrations reliably from
0 % to 100 % volume. Anaerobic processes
can also be monitored with the new
analyzer. “In the development stage, we
particularly focused on long-term
stability and high resolution,”
emphasizes Dr. Müller. The BlueInOne
Cell has a correspondingly extremely
high resolution of 50 ppm and could be
used as a replacement for cost-intensive
mass spectrometers which are frequently
used. ... |
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Gas Density Monitoring Instruments for High- and Medium Voltage
Switchgear |
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The Swiss based Trafag stands
for its precise, reliable and maintenance-free instruments
developed for the monitoring of SF6 and other gases in the field
of high- and medium voltage switchgear. Trafag guarantees
outstanding accuracy and operation in the widest temperature
range on the market. As a customer oriented company Trafag
offers application-tailored solutions as for example customized
pressure connections or SF6 dial faces. Trafags product range of
gas density measuring devices splits into three different
product groups: * The Gas Density Monitor functions on the
principle of reference gas comparison. It works
electromechanically and is thus independent of electrical energy
supply. * The Gas Density Sensor was developed on the basis of
the quartz tuning fork – a unique, patented technology. With the
delivery of continuous output signals – analog or digital –
Trafag opens new paths for the energy distribution industry to
realize comprehensive surveillance or trend analysis of
switchgear components by offering this electronically working
sensor. ... |
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Vital parameters kept under surveillance |
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PreSens
Precision Sensing GmbH: The
EOM-CO2-mini expands the product range
of PreSens Precision Sensing GmbH.
This electro-optical module is a
solution for original equipment
manufacturers (OEM) for customized
monitoring devices. As for its small
footprint, it can easily be integrated
and, assembled according to ISO
9001:2008, it guarantees a precise and
non-invasive CO2 measurement. The
EOM-CO2-mini extends PreSens’ scope of
supply for OEMs. Customers from
Scientific R & D as well as Biotech &
Pharma can now monitor all parameters
which are essential for life: O2, pH and
CO2. About PreSens Precision Sensing
GmbH: PreSens Precision Sensing GmbH is
a leading developer, manufacturer and
distributor of chemical-optical sensors.
Its’ continuously expanding range of
sensor systems for O2, pH and CO2 is for
end users in Biotech & Pharma, Food &
Beverage, Scientific Applications and
OEM manufacturers for Medical Devices
... |
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CO2 Engine® K30 FR, Fast Response CO2 Sensor Module |
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SenseAir®: CO2 Engine® K30 FR is a high
performance CO2 sensor module optimized for fast response time.
The sample cell is well protected by a particle filter and is
designed for fast diffusion without any need for external pump.
In addition, there is a tube inlet to be able to feed on-line
test gas through the sensor. The module is designed for high
volume production with full traceability by sensor serial number
on all manufacturing processes and key components. Every sensor
is individually calibrated and is provided with UART digital
interface. APPLICATIONS: CO2 Engine® K30 FR is designed for
simple integration into products that require a fast update rate
of CO2 measurements. The sensor can be used in a wide range of
applications where fast changes need to be detected, such as gas
leakage ... |
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Seeing the Invisible Now Possible |
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PreSens Precision Sensing GmbH:
2D sensing of oxygen-, pH- and
CO2-distributions: at the BIOTECHNICA 2010 in
Hanover from October 5 – 7, 2010, PreSens
presented its new Imaging Solutions for the
first time. The new image processing devices
combine digital imaging technology with optical
sensor technology to record the sensor response
of a planar sensor foil which covers the surface
of a sample, e. g. animal or plant tissue, cell
suspensions or sediments. The optical sensor
foil translates the respective analyte content
into a light signal which is recorded pixel by
pixel using a digital camera. Heterogeneous
samples can now easily be evaluated with respect
to reliable addressing regions with high or low
analyte content because one single image
contains the information of an array of single
point sensors. “With this method we will be able
to visualize pH dynamics in the rhizosphere of
plants two dimensionally.”, says Dirk Gansert,
Göttingen Centre for Biodiversity & Ecology.
“And as we can measure non-invasively, our
sample can be analyzed without irritation or
destruction ... |
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Find
all manufacturers and suppliers of
gas sensors,
CO2 sensors |
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Biotechnica 2010 has positive impact on BlueSens |
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The
German company BlueSens
gas sensor GmbH located in Herten
is highly satisfied with this year’s
Biotechnica. The leading life-science fair in
Europe ended on 7th October. “The interest shown
in our products considerably exceeded our
expectations”, stated Dr. Holger Müller, one of
the managing directors, directly after the fair.
“This year we recorded a 30% surplus of visitors
at our booth”, he exemplifies the visitors’
attendance during the 3 days of the fair.
Therewith the company is developing against the
slightly decreasing visitors’ trend at the
Biotechnica. The pharmaceutical supplier of the
Ruhrgebiet is expecting a significant growth.
BlueSens is specialized in the gas analysis of
bioprocesses and introduced its new combi-sensor
BlueInOne at this year’s Biotechnica. The
compact analyzer for bioprocesses monitors
biotechnical processes in real time and is able
to replace conventional gas analyzers. ... |
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Gas sensor for bioprocesses |
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A
new compact gas analyzer for bioprocesses is introduced
by the German manufacturer BlueSens.
The new in-situ sensor offers the parallel online
monitoring of O2 and CO2 for the analysis of
fermentations – with just one space-saving sensor. It
can be used for fermenters of every size, from the lab
to industrial scale. The BlueInOne Ferm also measures
the pressure and humidity in the off gas of the
bioprocess. Therefore the BlueInOne Ferm is neither
affected by the gas flow nor by humidity and stands for
highest reliability. Wherever you might have needed a
series of sensors or bulky gas analyzers in the past,
you now can install just one sensor. The reasonable
price also allows the installation of redundant systems.
With this analyzer it is now possible to measure
PAT-conform directly in the process and in real time.
Because of that the process parameters can be optimized
and controlled. BlueInOne Ferm stands for gas analysis
of the latest generation. Due to the compact top-quality
stainless-steel housing (IP65) the BlueInOne is very
easy to install and fits to any hose, pipe and tube. The
status of the analyzer is now displayed by two luminous
pushbuttons. ... |
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The World’s Most Energy-Efficient CO2 Sensor Module |
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With
its unparalleled low power consumption the new EE892 from E+E is
a highly impressive CO2 sensor module. Features such as an adjustable
measuring interval enable optimum adaptation to specific applications
while maintaining an average current consumption of less than 60μA. This
makes the EE892 CO2 sensor module the ideal battery-operated,
energy-saving device. The CO2 sensor module was specially developed for
OEM applications and high-volume production. The digital interface and
extremely compact design facilitate clear-cut integration in mobile and
energy-sensitive applications such as data loggers or demand controlled
ventilation. The CO2 load cell is based on infrared technology (NDIR)
and, thanks to the patented E+E autocalibration process, it is
completely maintenance-free. Ageing effects are compensated
automatically to guarantee outstanding ... |
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Wireless Sensors for Humidity, Temperature and CO2 |
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EE240
wireless sensors from E+E Elektronik are the ideal solution for
high quality, wireless measurement of humidity, temperature or CO2. With
the introduction of state-of-the-art wireless data transmission, E+E
Elektronik, the sensor specialist, is expanding its expertise into
wireless sensor systems. Up to three intelligent probes can be connected
to each transmitter. Each probe operates independently and can be hot
swapped. Remote probes allow the sensing head to be placed at a distance
of up to 10m away from the transmitter. These features make the E+E
wireless sensors especially suited for industrial applications that
require sensors to be routinely recalibrated without affecting network
operation. The measured values can be read directly off the display on
the transmitter or read remotely using your web browser from any PC in
the company network. The base station features a digital Ethernet
interface for effective connection to the network and data analysis. The
integrated web server allows you to easily and individually configure
the wireless sensor network from any PC without ... |
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MikroKera™: New Low Power Micromachined
H2 sensors and VOC Sensors Available |
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Synkera
Technologies, Inc.: In response to increased demand for gas sensors
of all types and requests for low power versions of Synkera sensors,
Synkera has introduced the first two products in our new MikroKera™
line. Designed for low power, reliability and excellent performance, the
new MikroKera™ H2 sensors and VOC sensors meet the needs of customers in
industrial health and safety, air quality monitoring and process control
applications. Both the new MikroKera™ and our current ProKera™ sensors
accommodate the complex requirements of instrument and systems
manufacturers. The MikroKera™ family of sensors utilizes Synkera’s
unique micromachined, nanostructured ceramic microsensor platform made
from anodic aluminum oxide (AAO). This patented microsensor platform
offers an unprecedented combination of performance, reliability and
scalability that will ultimately facilitate development of a complete
family of sensors for existing and emerging industrial and commercial
applications. The first two sensors use the same sensing materials that
have been successfully deployed in our longstanding ProKera™ VOC and
hydrogen (H2) sensors ... |
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Find
all manufacturers and suppliers of
gas sensors,
CO2 sensors |
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Carbon Dioxide Sensors |
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PreSens Precision Sensing GmbH: The carbon
dioxide sensors measure the partial pressure of dissolved carbon
dioxide. The spots are fixed on the inner surface of a glassware
or transparent plastic material. The CO2 concentration can
therefore be measured in a non-invasive and non-destructive
manner from outside, through the wall of the vessel. ... |
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mySENS® – Micronas Announces Major
Breakthrough In Gas Sensing Technology Based On Standard CMOS |
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Micronas,
a leading supplier of innovative application-specific IC and sensor
system solutions for automotive electronics, announces a major
breakthrough in gas sensing technology. Based on Micronas’ mySENS
platform, this innovative technology rests upon standard CMOS technology
which has been utilized and proven in Micronas’ current products for
automotive and industrial applications for many years. “Leveraging its
extensive experience in Hall-effect sensors, Micronas is in an ideal
position to use existing know-how for developing new sensor technologies
for a broad range of markets and applications,” says Peter Zimmermann,
Director Marketing at Micronas. “With the mySENS technology we are
expanding our sensor expertise towards the field of gas sensing to
target industrial as well as automotive applications.” Similar to its
success story within the Hall-effect sensor market, where Micronas
pioneered the CMOS Hall-effect sensor, mySENS technology enables the
combination of sensing elements with standard electronic devices such as
amplifiers, logic circuits, and memories. Such integration capability
will significantly contribute to the miniaturization of existing gas
sensing applications and – as a result of its small size – enable
completely new ... |
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Energy-efficient ventilation with the
Climate Guard: optimum indoor climate with minimum energy expenditure
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The
Climate Guard from J. Dittrich Elektronic is a network-compatible
multi-sensor system that facilitates demand-controlled, energy-efficient
ventilation for special-purpose buildings. It measures the important
parameters of indoor air: the carbon dioxide concentration by means of a
dual beam infrared photometer (NDIR); the temperature by means of a
bandgap sensor; and the relative humidity by means of a capacitive
polymer. Both the power supply and digital transmission of measured
values are effected via an Ethernet connection (PoE). Since the Climate
Guard has its own web server, it can be integrated directly into a local
network or the Internet and data called up using a web browser. This is
ideal for automated buildings. All three measured variables increase ... |
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CO2 Sensors for Closed Circuit
Rebreathers |
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Synkera Technologies, Inc. is currently developing solid-state,
conductiometric sensors for monitoring carbon dioxide (CO2) under a SBIR
Phase I grant from NOAA. The focus of the funded work is the development
of small, low-power sensors to be included in the breathing loop of
closed circuit rebreathers that can monitor for a breakthrough of the
CO2 scrubbing system. The inclusion of a CO2 sensor in closed circuit
rebreathers will make the dive equipment safer and allow for more
widespread use. The initial SBIR effort is the development of sensors
and electronics and will be followed-up by the integration of the
sensors into rebreathers for testing of prototype units. Due to
significant cost advantages, it is anticipated that the devices will
expand CO2 sensing for applications served by currently available
technology, primarily infrared (IR) sensors, and open up new sensing
opportunities. A particular area that these novel sensors are expected
to impact is demand control ventilation (DCV). These new solid-state
sensors are expected to demonstrate performance comparable to IR sensors
currently used in cost sensitive applications. Fabrication of the
sensors in a unique surface mount geometry is ideal for integration with
electronic components, allowing for very small sensing modules. The CO2
sensors will have the following unique characteristics ... |
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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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