R&D Manager Hans Martin successfully started the company Martionics AB (1989) that later became SenseAir AB (2000). In addition, two other companies have begun as development projects within SenseAir: Medair AB (now included in Nonin Medical Inc.) and JonDeTech AB. Hans Martin is a PhD as well as an Associate Professor in Molecular Physics at Stockholm University (1983), working with laser technology for gas sensing. Dr Martin is the author of 50 scientific articles besides 18 different main patents. His visionary optical designs have resulted in excellent sensor stability in combination with low production costs. Besides research and development, Hans Martin is a member of the Swedish Governmental Advisory Board of High Education and Research. He is also active in many scientific networks together with Swedish and International universities as well as Research institutes.

Product History

Telaire 1050

In 1991 The company brought its first generation of CO2-detectors to market. The name was Telaire, and the article number 1050. The detector was portable and its function was to identify and map possible ventilation problems. Characteristic to this product was the analogue electronic design (all adjustments were performed manually). Compared to other products on the market at the time the 1050 was half as expensive and generated test results which were vastly superior to the competition’s. About 600 units of Telaire 1050 were sold annually during a five-year period and the product acquired a worldwide reputation.


In 1993 a second generation of sensors was ready for production. It was called 200IV (V for Ventostat). Besides measuring CO2-levels, the 200IV also included the capacity to control ventilation. The 200IV was intended for fixed installation, but there was also a portable version. 200IV was microprocessor-based, i.e. it had a built-in computing capacity, which among other things provided flexibility and low maintenance. In contrast to its predecessors the 200IV was, as far as the electronics were concerned, designed for automized production.The optics were the same as in the 1050. 200IV has proved to be maintenance free for over thirteen years. Around two thousand 200IVs were sold annually until 1997.


In 1996, the now independent Telaire Europe AB, began to develop a new product: 2001VT (VT=Vento-thermostat). Now the complete product was remade, with new and better solutions for both electronics and optics. The result was an even more flexible sensor than the 200IV at almost half the costs, with more functions (regulation of temperature and CO2-levels). Customer-value was hugely increased. Several OEM versions were released from this platform such as Honeywell, Yamatake, TAC, Siemens, Trend and Sauter products. This product really set the industry standard and was produced in numerous installations all over the world until the year of 2004.


In 1999 the next generation of CO2- measurement and control units came on to the market under the name mSENSE I and mSENSE II. These products had even more functions than their predecessors but were prereleases of the ultimate product platform to come – the aSENSE.



In 2001 a further development of the new generation was introduced- the aSENSE series. These sensors are basic components to be used in a lot of different ventilation applications, as well as in industrial / agriculture process controls. They cover different needs, in for example the building automation industry, ranging from very simple CO2 and temperature, space and duct, sensor transmitters (aSENSE transmitter), up to very full fledged space climate controllers for sequential control of heat, cool, andventilation (aSENSE Climate Controller). All products in the aSENSE family have built-in CO2 and temperature sensors and have 2 to 4 outputs. The most advanced model, aSENSEM -Climate-Controller, and the, a little less advanced, aSENSETM -VAV, can be configured for local control of heaters, chillers, fans, or any other peripheral equipment in the local space environment. aSENSETM-VAV-RH is a microprocessor based controller with built-in sensors for temperature, humidity and carbon dioxide. All parameters can be measured and controlled from the same unit. aSENSETM-VAV is also available with oxygen measurement in addition to CO2 and temperature in one and the same unit (model aSENSETM -VAV –O2) LON is an add-on option to sensors with-in the aSENSETM product family to enable communication over LonWorksTM advanced networks. aSENSETM m III is a controller with built-in sensors to monitor at the same time Carbon dioxide and Carbon monoxide.


2002 the new pocket- sized, portable SenseAir family for CO2 alarming and measuring was introduced. SenseAirTM can be used for diagnostic analysis of ventilation systems and to verify or control CO2 levels in greenhouses, mushroom farms, incubators etc.
SenseAir Alarm works as a personal safety alarm unit in hazardous environments, wherever carbon dioxide is produced, stored, generated or being used. 2002 also the first pocket-sized sensor N2O Gasfinder for laughing gas monitoring was delivered to the Swedish OEM client Medair.


2003 the new economy Product Family eSENSE was presented, the eSENSE CO2 transmitter family. The most advanced family member is the eSENSE - DUO that contains a dual gas sensor with absolute humidity, dew point and enthalpy monitoring. It is primarily intended for climate monitoring in situations where the humidity levels have tobe controlled at a very high accuracy.

CO2 Engine

CO2 Engine introduced in 2003, constitutes an example of SenseAir’s new diretion of development, which is: extreme cost optimized sensors tailor-made for high volume built-in applications in a varietyc of different kinds of consumer oriented products. In 2005 a new slimmed high volume production line was started up, with a capacity of more than 8000 sensors a day, for producing Kerosene heater fresh air safety valves. This was the first successful example worldwide of producing advanced and precise IR gas sensors at very high numbers for an extremely cost sensitive application. Consequently, in order to meet the demand, SenseAir is constantly expanding the production capacity and the company is currently growing very fast.