The Advantages of Solid State NDIR Sensors in Wireless and Portable Devices

Gas Sensing Solutions Ltd (GSS) has recently published a technical document on Solid State NDIR sensors and its utilization in wireless and portable devices. The company is behind the lowest power NDIR CO2 Sensors in the world and the fastest response NDIR CO2 Sensors in the world.

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

Dr. Des Gibson(CEO) and Calum MacGregor(Operations Director) have recently published a technical document on the advantages of Solid State NDIR sensors compared to conventional NDIR sensors especially when used in applications for wireless and portable devices. Our unique innovative solid state NDIR sensors have an ultra-low power requirement and fast switch-on time which have been proven to be ideal in battery and energy harvesting applications

With an extremely low continuous power consumption of 3.5mW, COZIR sensors are significantly superior in this domain to all other products on the market (Standard NDIR sensor; 50-500mW).

Additionally, the sensors can be switched on and take a measurement in just 1.2 seconds (Standard NDIR sensor; 20-120 seconds). Depending on application, the user can allow 5 seconds for an even more accurate measurement. This results in an extremely low energy consumption of 6 to 17.5mJ per measurement (Standard NDIR sensor; 700-4000mJ).

Following collaboration with the EnOcean Alliance and its member companies, COZIR sensors can be powered utilising energy harvesting technology. This allows the sensor to work entirely without batteries, drawing ambient energy from motion, light or temperature differences in its surroundings. With only room light available, 3 readings can be taken every 10 minutes. With no room light available the sensor will operate on stored energy in energy storage mode, taking less measurements or only sending signals when critical values are measured.

In addition, the SPRINTIR CO2 sensor, the fastest NDIR sensor available in the world to date, was showcased in Nuremberg. With a rapid measurement rate of up to 20 readings per second, applications are wide and varied including respiratory analysis and CO2 analytical instruments.

Also, GSS is pleased to announce our new CO2 sensor aimed at the HVAC and IAQ industry which was demonstrated the Sensor + Test Exhibition 2013 in Nuremberg, Germany. Based on the same innovative NDIR technology, the MISIR sensors have a low power consumption of 20mW and address the retrofit market of HVAC control of buildings thanks to its simplicity, cost effective installation and flexibility.

Our CO2 sensors are currently available in the following ranges:

COZIR Ambient: With measurement ranges of 0-2000ppm, 0-5000ppm and 0-1% the Ambient Sensor is suitable for applications such as HVAC, IAQ, Horticultural and Building Control.

COZIR Wide-Range: Alternatively, the Wide range Sensor can be employed for process control applications such as diving, industrial, safety and automotive with measurement ranges of 0-5%.0-10%, 0-60% and 0-100%.

SPRINTIR: At 20 readings per second, the SPRINTIR is ideal for applications requiring real-time analysis with measurement ranges of 0-5%.0-10%, 0-60% and 0-100%.

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