GSS - Low power CO2 sensor demo

GSS Sensor China Exhibition

Gas Sensing Solutions (GSS), a leader in CO2 sensor technology, will be exhibiting at Sensor China Expo 2018 . The company will be on Booth B004 in the Overseas Pavilion from 10 to 12 September 2018.

“China is one of our largest export markets,” said Lily Liu, Business Development Manager at GSS. “We make regular trips to China to support our partners with technical training and advice on designing solutions using our sensors. Naturally, we will also be talking to manufacturers seeking the very best in CO2 sensor technology, as our next generation LED-based sensors set new standards for low power, fast response and robustness.”

Low power CO2 sensor demo

How the CozIR-LP CO2 sensor can be used for Demand Controlled Ventilation (DCV) applications

GSS has a multi award-winning technology that is the basis for its next generation CO2 sensors. Its proprietary mid-infrared LEDs use very little power and turn on almost instantly – giving sensor readings in less than a second. As a result, GSS has pioneered the development of solid-state NDIR CO2 sensors that can be powered by batteries for up to 15 years. Alternative sensors use IR sources that require significantly more power per measurement and also take much longer to reach a stable condition for a measurement, resulting in the need for mains power. Also, being solid-state means that GSS sensors are very robust and stable enabling them to be used in harsh conditions of vibration and pressure changes, such as on vehicles, aircraft or even spacecraft.

GSS has three families of standard products that each focus on a particular strength of its technology. Therefore, designers can select the most appropriate sensor according to the needs of their specific application. The CozIR® family has particularly low power consumption and so provides a long term, low maintenance solution for battery-powered ambient air monitoring systems.

CozIR-LP low power and small CO2 sensor

CozIR-LP low power, small profile CO2 sensor

SprintIR high speed co2 sensor

SprintIR-W high speed sensor

The SprintIR® family provides high speed sensing up to 100% CO2 concentration, for when an ultra-fast measurement result is required. And the ExplorIR® brand is for measuring up to 100% CO2 levels in tough applications, such as those subjected to harsh environments, vibrations, and handling.

100% co2 sensor for tough applications

ExplorIR-W robust sensor

Within each family there are further sub-brands according to specific features, such as size, output and Temperature + Relative Humidity (RH) integration. As the company manufactures its sensors, it also offers a custom CO2 sensor design service.

GSS will have demonstrations on its stand to showcase these three strengths. The CozIR®-LP shows how a battery-powered CO2 sensor can be used for Demand Control Ventilation. The SprintIR®-6S demo shows how fast the sensor responds to changes in CO2. The ExplorIR® robustness is proven by having it working inside a ball being thrown around the stand.


If you would like to meet GSS at the show, please contact us:

Find out more about the Sensor China Expo here:

Sensor + Test CO2 trade show - GSS

GSS CEO at Sensor + Test 2018

AZO Sensors catches up with GSS’ CEO, Calum MacGregor in Nurnberg.

Could you tell us a bit about Gas Sensing Solutions and why you are attending SENSOR+TEST 2018?

We are Gas Sensing Solutions and we’re world leaders in manufacturing CO2 sensors. We manufacture LEDs in-house – all of our CO2 sensors are LED-based, which gives us three huge advantages; low-power, robustness, and high speed. Those are the three markets we target; low-power is normally the battery-powered market; Robust, for those challenging applications which need to endure vibrations and bumps, or where you need to withstand changing pressures and temperatures. And high speed, where you want to measure rapidly changing CO2 levels, for example, in breath analysis and other medical applications.

CO2 breath analysis

Monitoring Exhaled CO2 with the N-Tidal handheld monitor

We are here because SENSOR+TEST has been by far the most successful show at reaching these very different markets. We operate in lots of different practical markets and all of them come together once a year at SENSOR+TEST 2018.

Are there any products that you are highlighting this year?

High Speed CO2 sensor

SprintIR6S high speed sensor

Two products. One is our high-speed sensing range, known under the SprintIR brand – particularly the SprintIR-6S which has been really successful for the last few years. It’s the fastest CO2 sensor in class by a long way, and it’s showing a lot of traction in medical markets. We’re also introducing our ExplorIR brand. This is a range of CO2 sensors for harsh or challenging environments, where the sensor undergos a lot of vibration or shocks, and is subject to particularly testing conditions.

What makes those products unique to anything else that is on the market?

High speed. We are best in class in terms of our speed and response. This is often needed for measuring very rapidly changing CO2 levels. For example, in people’s breath you need a very rapid speed of response. We are just best in class there because we are using our own innovative LED technology. This is also the case in terms of the tough and robust strengths of our sensors. Because they’re built on this solid-state technology, there are no heated parts, no moving parts, and they can withstand many Gs of vibration experienced during acceleration, with no compromise on performance and accuracy.

Factory where the GSS LED is made

GSS LED making factory

Which industries do you primarily serve?

We serve a very broad range of markets. We make CO2 sensors for air quality markets, such as for building automation and control systems. We manufacture sensors for horticultural applications, such as for plant growth and grain storage applications. In terms of healthcare, we make CO2 sensors for medical markets. For example CO2 sensors for breath analysis applications like capnography and fitness testing. We have many customers in the food transportation and storage industries, who use Carbon Dioxide sensors in shipping containers. The wonderful thing about SENSOR+TEST is that we meet people who are doing things we had never thought of before!

We also manufacture custom CO2 sensors and solutions for people who have a really challenging environment. Some customers want us to design a Carbon Dioxide sensor for an application we never even knew existed! There are so many weird and wonderful applications out there and we’re just glad to be able to lend our extensive knowledge and create a custom solution for them.

Calum MacGregor CEO of GSS

Calum MacGregor, CEO of GSS

Calum MacGregor talked to AZO Sensors about GSS’s experience at the Sensor + Test show.

sensors expo conference - Gas sensing solutions

GSS at Sensors Expo 2018

AZoSensors spoke to Calumn MacGregor and Rachael Yates from Gas Sensing Solutions, about their products and attending Sensors Expo.

Can you give the brief overview of Gas Sensing Solutions, the kind of products you sell and the market you serve?

At Gas Sensing Solutions, we manufacture, customize and develop CO2 gas sensors for a range of markets.  We provide for the air quality and HVAC market, so there could be health and safety measures in schools, in homes or it could be in offices as part of a smart building. That also includes things like wearable safety solutions, so for example people in the drinks industry who are delivering goods to pub cellars – there are safety measures there to make sure that there isn’t any leakage from the CO2 canisters.

Monitoring CO2 Levels in pub cellars

Another big market for us is healthcare. This incorporates breath analysis (including breath analysis in sports science) and testing metabolic rates, for example in fitness applications or capnography, where it can be used to help determine and assess things like lung diseases or help to monitor asthma.

We provide a lot of sensors to the horticultural and food processing market, and this includes things like modified atmosphere packaging (or MAP as it’s called in the industry) – this is where CO2 is used to keep food fresher for longer, like you’d see in the supermarkets. Our sensors are also used to achieve optimum results with plant growth.

CO2 in food pakaging

Using CO2 sensors to get fresh produce as fresh as it can be

A further big market is industrial safety. That incorporates things like rebreathers for diving, including for example recreational diving, military diving, and also leak detection in refrigeration applications. There is also various instrumentation that’s used within the industrial safety market.

Our sensors might be used in the transport industry, for example in freight applications for transporting goods and materials and in shipping containers. They’re also used in aerospace, for example in planes to monitor the quality of the air in the cabin, making sure it doesn’t exceed high levels of CO2 for peoples’ comfort and safety.

An especially exciting market for us is space. Our sensors have been up into space on the ISS a few times now. They have been used in a number of space-based experiments and also to test the environment that the astronauts may be working in to see what the effect of CO2 levels are on them when they’re carrying out their duties and tasks up on the space station.

Overall, it very much depends on what the application is. Our sensors are ideal for portable or hand-held applications where power consumption is critical. This could be a wearable sensor that’s attached to someone’s clothing, or it could be a hand-held instrument. They are ideal for Internet of Things applications.

This isn’t an exhaustive list but those are the main sectors that we’re active in.

People also contact us about new weird and wonderful applications. We’ll usually work with them to make their idea work, whether it’s using an existing sensor from the range, customizing and tweaking an existing sensor or even when it’s making something completely new from scratch.

Why are you attending Sensors Expo 2018 and what products do you plan to highlight?

We’ve been for a few years now, so we’re continuing that tradition. It’s been a pretty successful show for us in the past, and we’re very much active around the world. We’ve got sensors in about 50 countries so it’s important for us to hit international markets, and Sensors Expo is one of the ones that reaches parts that the European shows or Asian shows don’t reach. This is continuity for us – it’s continuing to address our North American markets, but we also see a range of Asian visitors here as well.

Specifically, this year we’re promoting one of our brands which is the ExplorIR® sensor family. It’s a general purpose, robust, does-everything range and that’s the one we’re going to be specifically promoting. Just getting our name out more – partly re-contacting customers we already have there and partly hoping to make new contacts, open new conversations and establish new friendships.Could you please explain the basic theory behind your ExplorIR® sensor and the benefits it can provide to users?

The ExplorIR® is designed for tough and hostile environments – for example you could be dealing with extremes of pressure, or unstable environments with lots of vibrations and shocks.

To give a bit of background, the two ExplorIR® sensors we had weren’t aligned under a brand family and we had them under different names. The idea was to make a nice neat family for the ExplorIR® sensor.

We already have our CozIR® range which is low power, and we have the SprintIR® range which is high speed, so we just felt we needed something to slot in with that as a nice neat brand family. The name ExplorIR® was quite an obvious choice because the ExplorIR® sensors have been up into space, they’ve been down under the sea and they’ve had to endure these tough, challenging environments. Plus, ExplorIR® has nice connotations of going off exploring and that fits with the space and underwater diving exploration theme. It really seemed to make sense.

The ExplorIR® sensors will be going into these tough and challenging environments but despite that, they’re able to give accurate, reliable readings.  They’re also low power, so they can be used in battery applications. They have a small form factor, so they can fit inside even a small instrument or wearable device. Altogether they give lots of benefits for end users.

How does your ExplorIR® range differ from your SprintIR® range?

You’ll notice on our brands, we have IR on the end which stands for infrared, but we kind of incorporated that into the name, so you have the ExplorIR®, SprintIR® and CozIR®.

The SprintIR® brand is there to give high speed measurements, hence the name. You can get 20 readings every single second and it also has a very fast response time. Our engineers have managed to achieve that by designing a very small sample chamber which means it’s able to offer very fast response and high speed measurements.

We can also make custom sensors with an even higher speed, so if customers need something special developing or if they need something to go even faster for a specific application, we do have that capability in-house.

We’ve got engineers here in-house at our HQ in the UK. They spend their time developing, working on and enhancing our sensors as well as creating new ones. The custom sensor offering is very much something that’s part of our business.

From a user’s perspective, would you say that your custom offering gives your technology a competitive advantage, or is there anything else you feel gives you that competitive advantage?

We have three big advantages. One is low power. We have the lowest power sensor on the market and compared to the competitors it is between 10 and 100 times lower power, so it’s a huge benefit.

Secondly, we offer high speed. We can measure much faster than anything else in our class, so typically our sensors are working in applications where the alternatives in the high speed market are many times the price.

Thirdly, the sensor’s robustness. They last a long time, they’re tough, they can take vibration and pressure and bumps and shocks.

Overall, low power, high speed and robustness are the big competitive advantages that we have.

After Sensors Expo, what’s next for Gas Sensing Solutions?

We’ve had a really successful few years growing both our product range and growing geographically, so we’ll be continuing more of the same.

We do have a very broad application base and the focus for us is just to grow more into these sectors. You got a sense of that in the answer to your first question; there are all these different markets that we are working in, so we are gradually tuning our brands and our offerings to match these.

We’re looking at the possibility of measuring other gases too. It is interesting, but we need to ensure that there is a market need.

On the whole, it’s about making more of our existing benefits which are going faster, using less power and making our sensors more robust.