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2016年1月18日星期一

Miniaturized Low Power CO2 Sensor Launched into the Gas Detection Market

GSS are proud to announce their new MinIR CO2 sensor, combining integrated electronics and LED/PD technology, with volume production available in March 2015. MinIR is an ultra low power (5mW), high performance, nominal 20mm diameter, CO2 sensor, ideally suited for battery operation and portable instruments.

GSS have integrated unique patented mid infra-red light source and detector technology into innovative optics and signal processing, to produce market leading CO2 Sensors.

Alan Henderson, Managing Director and Co-founder of GSS, says "Our solid state NDIR sensors have an ultra-low power consumption and fast switch-on time, highly desirable features for battery and energy harvesting applications."

Ultra-low Power
GSS’ range of ultra low power CO2 sensors include the COZIR sensor which has an extremely low, continuous power consumption of 3.5mW making it the market leader in low power carbon dioxide sensing. 

GSS’ COZIR and MinIR sensors have virtually no warm up time: the sensors can be switched on and a measurement taken in just 1.2 seconds. In typical applications, sensors are switched on for just 5 seconds. This results in an extremely low energy consumption of 6 to 17.5mJ per measurement.




New composite material as CO2 sensor

A new material changes its conductivity depending on the concentration of CO2 in the environment. The researchers who developed it have utilized the material to produce a miniature, simply constructed sensor.

Material scientists at ETH Zurich and the Max Planck Institute of Colloids and Interfaces in Potsdam have developed a new type of sensor that can measure carbon dioxide (CO2). Compared with existing sensors, it is much smaller, has a simpler construction, requires considerably less energy and has an entirely different functional principle. The new sensor consists of a recently developed composite material that interacts with CO2 molecules and changes its conductivity depending on the concentration of CO2 in the environment. ETH scientists have created a sensor chip with this material that enables them to determine CO2 concentration with a simple measurement of electrical resistance.

The basis of the composite material is a chain-like macromolecule (polymer) made up of salts called ionic liquids, which are liquid and conductive at room temperature. The name of the polymers is slightly misleading as they are called «poly(ionic liquid)s" (PIL), although they are solid rather than liquid.

Unexpected properties
Scientists worldwide are currently investigating these PIL for use in different applications, such as batteries and CO2 storage. From their work it is known that PIL can adsorb CO2. "We asked ourselves if we could exploit this property to obtain information on the concentration of CO2 in the air and thereby develop a new type of gas sensor," says Christoph Willa, doctoral student at the Laboratory for Multifunctional Materials.

Willa and Dorota Koziej, a team leader in the laboratory, eventually succeeded by mixing the polymers with specific inorganic nanoparticles that also interact with CO2. By experimenting with these materials, the scientists were able to produce the composite. "Separately, neither the polymer nor the nanoparticles conduct electricity," says Willa. "But when we combined them in a certain ratio, their conductivity increased rapidly."

Chemical changes in the material
It was not only this that astonished the scientists. They were also surprised that the conductivity of the composite material at room temperature is CO2-dependent. "Until now, chemoresistive materials have displayed these properties only at a temperature of several hundred degrees Celsius," explains Koziej. Thus, existing CO2 sensors made from chemoresistive materials had to be heated to a high operating temperature. With the new composite material, this is not necessary, which facilitates its application significantly.

Exactly how the CO2-dependant changes in conductivity were produced is not yet clear; however, the scientists have found indications that a chemical change induced by the presence of CO2 occurs foremost at the interface between the nanoparticles and the polymers at the nanometre scale. "We think that CO2 effects the mobility of the charged particles in the material," says Koziej.

Breathing gauges for scuba divers
With the new sensor, scientists are able to measure CO2 concentration over a wide range - from a concentration of 0.04 volume percent in the earth's atmosphere to 0.25 volume percent.

Existing devices that can detect CO2 measure the optical signal and capitalise on the fact that CO2 absorbs infrared light. In comparison, researchers believe that with the new material much smaller, portable devices can be developed that will require less energy. According to Koziej, "portable devices to measure breathing air for scuba diving, extreme altitude mountaineering or medical applications are now conceivable".



New Range of Gas Sensors Make Car Park Monitoring Easy

DD Scientific (UK), a leading manufacturer of electrochemical gas sensors has recently launched a low cost, high performance range of sensors designed to meet the needs of cark park monitoring. There is increasing interest in the cost savings that can be made by ensuring that ventilation systems are only operational when required – to do this, it is essential to measure gases such as carbon monoxide and nitrogen dioxide which occur in underground car parks.

These pollutants only appear when vehicles are moving inside the car park, if they are not present then the ventilation can safely be shut off. The reduction in energy usage by operating the systems only when required can be significant over the operational life of the ventilation system.

To meet the demand for accurate gas sensing in such systems, DD Scientific has developed two sensors for the key target gases; carbon monoxide and nitrogen dioxide. The sensors provide robust and reliable detection over five years and have been optimised so as to deliver this performance at an extremely affordable cost. The sensors are already in use in car park applications and have been tested to be compliant with relevant industrial standards such as EN50545-1.

Their simplified design allows for easy integration with electronic monitoring equipment and their excellent long term drift characteristics reduce the frequency of calibration to the point where they can be considered ‘fit and forget’. For both gas types, the sensor can be supplied with an extra internal reference electrode that allows higher gas concentrations to be measured as well as providing additional temperature stability.

To learn more about these and other exciting releases from DD Scientific’s development team, please contact a member of the sales team.

iSweek(http://www.isweek.com/)- Industry sourcing & Wholesale industrial products 

iPhone 6 to include temperature, pressure and humidity sensors?

The iPhone 6 may feature a temperature, pressure and humidity sensor, according to one electronics analyst.

Speaking to Sun Chang Xu, ESM-China news chief analyst, “sources close to the matter” have revealed the iPhone 6 could feature significant new sensor technology.

In fact, the sources suggest that that the iPhone 6 will have much to brag about in the “sensors department”, featuring pressure, temperature and humidity sensors.

However, the analyst was quick to add that the sensors for the iPhone 5S follow-on will most likely not include a blood pressure sensor, as this is something strongly tipped to feature in the Apple Watch.

This means the pressure sensor in the iPhone 6 will refer to atmospheric pressure.
The iPhone 6 is heavily rumoured to launch alongside the iWatch later this year and come with the new iOS 8 operating system.

iOS 8 is tipped to be capable of monitoring various fitness and health stats, including your blood pressure, heart rate, hydration, calories burnt and even your glucose levels.

Incorporating basic support for readings like temperature or atmospheric pressure therefore doesn’t seem too farfetched.

Other smartphones already feature this technology as well, including the Samsung Galaxy S4, so it makes sense for Apple to play the catch up game a little bit with its next flagship.
Recent iPhone 6 rumours put the device’s screen size at 4.7-inches, potentially using quantum dot display technology.

Although the iPhone 6 camera resolution is expected to stay at 8-megapixels, it is tipped to feature a bigger sensor with an aperture size of f/2.0.


Graphene-Coated Fabric Makes for a Wearable Gas Sensor

One of graphene’s key properties is its surface area—as a two-dimensional material it really is just all surface. This has advantages in a number of applications, one of which is sensors.

Now researchers at the Electronics and Telecommunications Research Institute and Konkuk University in South Korea have found that if they coat fabrics with graphene, they can detect dangerous gases and alert the wearer of their presence by triggering an LED light.

In research published in Scientific Reports, the Korean researchers coated commercially available yarn with reduced graphene oxide (RGO)—which refers to graphene oxide being stripped of most of its oxide to make graphene—using electrostatic self assembly and molecular glue to produce a bendable and washable electronic textile (e-textile) gas sensor.

“This sensor can bring a significant change to our daily life since it was developed with flexible and widely used fibers, unlike the gas sensors invariably developed with the existing solid substrates,” said Dr. Hyung-Kun Lee, who led this research initiative, in a press release.

The researchers discovered that the graphene-coated yarn was extremely sensitive to nitrogen dioxide, which is produced through the burning of fossil fuels. The sensor operates by the nitrogen oxide molecules changing  the electrical resistance of the graphene, which in turn triggers an LED light to turn on.

Within 30 minutes of exposure to 0.25 parts per million of nitrogen dioxide (just under five times above the acceptable standard set by the U.S. Environmental Protection Agency), the sensor detected the toxic gas.

While this fabric-based sensor compares favorably with previous RGO sensors prepared on a flat material, and offers three times the sensitivity to nitrogen oxide, it’s not clear why we would want clothing made from such a fabric. Wearable sensors have all sorts of potentially useful purposes, but this one seems somewhat obscure.

Nonetheless, the research does demonstrate that responsive gas sensors need not be fabricated on a solid substrate.

iSweek(http://www.isweek.com/)- Industry sourcing & Wholesale industrial products





2016 Industrial Products Industry Outlook

In 2016, industrial products firms facing market pressures will likely seek to evolve their position in the industry, among other strategic initiatives, according to Joe Zale, a principal at Deloitte Consulting LLP.

Where do you see the opportunities for growth in your sector?

Zale: The Internet of Things, whereby sensor technologies are embedded into products, presents both a huge opportunity and a conundrum for industrial products manufacturers. These technologies can support better manufacturing plant productivity by allowing firms to more actively monitor and optimize plant, asset, and supply chain performance. For example, more advanced practitioners are directly linking RFID sensors, which can track parts performance and wear and tear, with order fulfillment systems that automatically coordinate ordering, delivery, and technician visits. Some companies are employing sensors that monitor consumable products and send information directly to ERP systems to automatically trigger reordering and billing.

This proliferation of smarter products, combined with enhanced communication infrastructure, is providing industrials with greater volume, velocity, and variety of information. Firms are using insights gleaned from this data to not only increase aftermarket productivity and enhance operations, but also to improve product lifecycle management and, in some instances, commercial arrangements. For example, firms that provide equipment used in production processes are increasingly packaging their offerings to include performance commitments. According to these commitments, if performance stays within an agreed-upon range, the provider will receive a performance bonus, while performance outside the range generates penalties for the provider. The use and application of analytics increases product manufacturers’ confidence in both committing to these arrangements and in delivering offerings in a cost-effective manner.

What issues should businesses consider as they plan for growth?
Until recently, industrial products firms focused on attracting, recruiting, retaining, and training hardware engineers. Advanced technologies are creating demand for employees who understand traditional hardware and are also familiar with software and programming. Several large industrials have already established software divisions and are dedicating themselves to hiring for different skills sets than in the past.

Another challenge facing industrials is uncertainty in the energy sector. Oil and gas prices have fallen to historic lows in real terms,which has slowed the growth that had been generated by the steady expansion of offshore oil shale drilling. Similarly, in the broader energy segment, utility markets are facing longer-term disruption: Power generation and storage are becoming more decentralized, and customers have an increased number of options and can more directly influence demand swings. These trends present opportunities for industrials to gain access to assets at depressed rates and new markets, but firms will also need to sharpen their decision-making and ensure they are properly considering any associated risks.

What is the next big thing? What markets do you see emerging in the sector?

Supply chain management has been, and will continue to be, a key challenge for industrial products organizations. While many firms have gone to great lengths over the past several years to increase supply chain efficiency, a consequence has been increased complexity. The time has come for firms to step back and reconsider operations and assess if the savings they are achieving on materials and labor justify the coordination and oversight costs. Expect industrial products firms to consolidate in an effort to control their supply chain, and to better balance simplicity and production costs.

Due to changes in global markets, I anticipate we will see new customer markets emerge, but they won’t be the usual “new market” suspects. It’s safe to say the bloom is off the rose for China, as the country’s economy is transitioning from unsustainable double-digit growth driven by investments and exports to a much more balanced economy based on domestic consumption. For years, China has built up excess capacity in core infrastructure sectors, such as steel and construction materials, which are major end-market consumers of industrial products. As a result, China’s slowing economic growth is having an adverse effect on the industrial products sector. Similarly, Brazil is fraught with challenges that will influence the market outlook for U.S. industrial products firms. Private consumption in Brazil contracted for the first time in a decade and is expected to do so again in 2016, as high inflation, tightening credit availability, a deteriorating labor market, and corruption issues slow infrastructure investment.

As a result of these challenges, sources of industrial growth in the near term are more likely to come from Southeast Asia, India, the Middle East, and Eastern Europe.

Challenges and uncertainties in the industrial products sector create potential opportunities for these firms to evolve and change their position and role.

iSweek(http://www.isweek.com/)- Industry sourcing & Wholesale industrial products


What is the price of industrial products in Georgia?

Today, the National Statistics Office of Georgia, Geostat, published data that showed in December 2015 the PPI for industrial products decreased 0.9 percent over November 2015.

Meanwhile, the index rose 4.7 percent compared to December 2014 and 77.1 percent over the 2005 average.

The decrease of a monthly PPI rate in December was mainly driven by a one percent price decline for manufacturing, which had a downward effect of -0.78 percentage points on the overall index change.
In this category, lower prices were recorded for the chemical products (-13.3 percent) and manufacture of basic metals and fabricated metal products (-5.2 percent). Meanwhile, the prices were higher for manufacture of food products, beverages and tobacco products (2.3 percent).

In the reporting period prices were five percent lower for mining and quarrying, resulting in -0.11 percentage points contribution to the overall index.

The increase of the annual PPI rate was mainly caused by price changes to several consumer groups.
Manufacturing prices increased 3.5 percent and contributed 2.89 percentage points to the overall index change. Prices also rose for the following sub-sections:
• Manufacture of paper and publishing (17.7 percent); and
• Manufacture of food products, beverages and tobacco products (7.6 percent).

Geostat said the prices decreased for manufacture of basic metals and fabricated metal products (-9.3 percent). Meanwhile, the prices for electricity, gas and water increased 15.2 percent and contributed 2.08 percentage points to the overall index change.

iSweek(http://www.isweek.com/)- Industry sourcing & Wholesale industrial products

What is the price of industrial products in Georgia?

Today, the National Statistics Office of Georgia, Geostat, published data that showed in December 2015 the PPI for industrial products decreased 0.9 percent over November 2015.

Meanwhile, the index rose 4.7 percent compared to December 2014 and 77.1 percent over the 2005 average.

The decrease of a monthly PPI rate in December was mainly driven by a one percent price decline for manufacturing, which had a downward effect of -0.78 percentage points on the overall index change.
In this category, lower prices were recorded for the chemical products (-13.3 percent) and manufacture of basic metals and fabricated metal products (-5.2 percent). Meanwhile, the prices were higher for manufacture of food products, beverages and tobacco products (2.3 percent).

In the reporting period prices were five percent lower for mining and quarrying, resulting in -0.11 percentage points contribution to the overall index.

The increase of the annual PPI rate was mainly caused by price changes to several consumer groups.
Manufacturing prices increased 3.5 percent and contributed 2.89 percentage points to the overall index change. Prices also rose for the following sub-sections:
• Manufacture of paper and publishing (17.7 percent); and
• Manufacture of food products, beverages and tobacco products (7.6 percent).

Geostat said the prices decreased for manufacture of basic metals and fabricated metal products (-9.3 percent). Meanwhile, the prices for electricity, gas and water increased 15.2 percent and contributed 2.08 percentage points to the overall index change.

iSweek(http://www.isweek.com/)- Industry sourcing & Wholesale industrial products

What is the price of industrial products in Georgia?

Today, the National Statistics Office of Georgia, Geostat, published data that showed in December 2015 the PPI for industrial products decreased 0.9 percent over November 2015.

Meanwhile, the index rose 4.7 percent compared to December 2014 and 77.1 percent over the 2005 average.

The decrease of a monthly PPI rate in December was mainly driven by a one percent price decline for manufacturing, which had a downward effect of -0.78 percentage points on the overall index change.
In this category, lower prices were recorded for the chemical products (-13.3 percent) and manufacture of basic metals and fabricated metal products (-5.2 percent). Meanwhile, the prices were higher for manufacture of food products, beverages and tobacco products (2.3 percent).

In the reporting period prices were five percent lower for mining and quarrying, resulting in -0.11 percentage points contribution to the overall index.

The increase of the annual PPI rate was mainly caused by price changes to several consumer groups.
Manufacturing prices increased 3.5 percent and contributed 2.89 percentage points to the overall index change. Prices also rose for the following sub-sections:
• Manufacture of paper and publishing (17.7 percent); and
• Manufacture of food products, beverages and tobacco products (7.6 percent).

Geostat said the prices decreased for manufacture of basic metals and fabricated metal products (-9.3 percent). Meanwhile, the prices for electricity, gas and water increased 15.2 percent and contributed 2.08 percentage points to the overall index change.

iSweek(http://www.isweek.com/)- Industry sourcing & Wholesale industrial products

What is the price of industrial products in Georgia?

Today, the National Statistics Office of Georgia, Geostat, published data that showed in December 2015 the PPI for industrial products decreased 0.9 percent over November 2015.

Meanwhile, the index rose 4.7 percent compared to December 2014 and 77.1 percent over the 2005 average.

The decrease of a monthly PPI rate in December was mainly driven by a one percent price decline for manufacturing, which had a downward effect of -0.78 percentage points on the overall index change.
In this category, lower prices were recorded for the chemical products (-13.3 percent) and manufacture of basic metals and fabricated metal products (-5.2 percent). Meanwhile, the prices were higher for manufacture of food products, beverages and tobacco products (2.3 percent).

In the reporting period prices were five percent lower for mining and quarrying, resulting in -0.11 percentage points contribution to the overall index.

The increase of the annual PPI rate was mainly caused by price changes to several consumer groups.
Manufacturing prices increased 3.5 percent and contributed 2.89 percentage points to the overall index change. Prices also rose for the following sub-sections:
• Manufacture of paper and publishing (17.7 percent); and
• Manufacture of food products, beverages and tobacco products (7.6 percent).

Geostat said the prices decreased for manufacture of basic metals and fabricated metal products (-9.3 percent). Meanwhile, the prices for electricity, gas and water increased 15.2 percent and contributed 2.08 percentage points to the overall index change.

iSweek(http://www.isweek.com/)- Industry sourcing & Wholesale industrial products