Gas Sensing Solutions aim to boost its presence in Asian market

22nd August 2018
Lanna Cooper


Gas Sensing Solutions (GSS) has announced it will be exhibiting at Sensor Expo Japan 2018 with its Japanese partner, GEC. They will be on booth S32 in East Hall of Tokyo Big Sight from 26th-28th September 2018.

"Growing our presence in the Japanese market is a key strategy in our international growth plan," said Lily Liu, Business Development Manager at GSS.

"The Japanese electronics industry is renowned for pioneering innovative solutions based on new technology, such as our award-winning CO2 sensors. These next generation sensors offer lower power, greater speed and robustness, which opens up new application areas that may not have been possible before.

"For example, CO2 sensors for food processing applications to help keep food fresher for longer; wearable alarms for people entering potentially high CO2 concentration areas at work, such as factories and breweries; and measuring CO2 levels in exhaled breath to monitor and help treat lung diseases."

GSS has three families of standard products that each focus on a particular strength of its technology, i.e. low power, high speed and robustness. GSS will have demos on its stand to show 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 - in less than a second and right up to 100% CO2 concentrations. The ExplorIR robustness is proven by having it working inside a ball being thrown around the stand.

This robustness comes from the sensors being solid-state, enabling them to be used in harsh conditions of vibration and pressure changes such as on vehicles, aircraft or even spacecraft. As the company manufactures its sensors, it also offers a custom CO2 sensor design service.

CO2 sensors work by measuring how much light is absorbed by CO2 molecules in the 4.2 and 4.4 microns range as it passes through the sample gases, which is called Non-Dispersive Infra Red (NDIR) absorption. The amount of absorption indicates how much CO2 is present. GSS developed proprietary LEDs that are specifically tuned to emit at these wavelengths.

The LEDs use very little power and turn on almost instantly, enabling sensor readings to be made in less than a second. As a result, GSS has pioneered the development of CO2 sensors that can be powered by batteries for long periods of up to ten years.

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