Emissions Equipment
We manufacture portable emission measurement systems.
Offering sales, rentals, support, training, and consultations.
Contact ryan@mtnaireng.com for a quote.
Possum Portable Emission Sampling System
The Possum is a versatile portable sampling system for measuring combustion emissions. The dilution system conditions the emission sample to achieve representative partitioning of organic compounds and other semi-volatile species. The system has two sample trains to measure undiluted and diluted emissions simultaneously. It is a complete sampling system including the sensor box, sampling probes, accessories, and software. The Possum system is appropriate for large and small combustion sources, with and without exhaust stacks, and any fuel.
- Brick kilns
- Biochar kilns
- Burn piles
- Boilers
- Furnaces
- Heating stoves
- Cooking stoves
- Engines
- Biomass
- Wood
- Ag residue
- Coal
- Diesel
- Biogas
- Propane
- Emission inventories
- Regulatory compliance testing
- Life cycle analysis
- Carbon credit verification
- Research
- Development
Possum1
Possum1 is used by Mountain Air Engineering for emission testing services.
Possum1 User Guide Possum1 Chimney Probe User GuidePossum2
The Possum2 was constructed for Aprovecho Research Center in 2023 for measuring emissions of heating stoves.
Ratnoze Portable Emission Sampling System
The Ratnoze, manufactured from 2016-2021, is the predecessor of the Possum.
Ratnoze5
The Ratnoze5 (constructed in 2021) is housed by the Pakistan Ministry of Climate for measuring brick kiln emissions in partnership with ICIMOD.
Ratnoze5 User GuideRatnoze3
The Ratnoze3 was constructed in 2017 for the Beijing University of Business and Technology.
Ratnoze2
The Ratnoze2 was constructed in 2016 for the Colombia brick kiln emissions project. It is housed at CAEM in Colombia for measuring brick kiln emissions.
Ratnoze1
The Ratnoze1 was constructed in 2016 for the South Asia brick kiln emissions project. Ratnoze1 is housed at ICIMOD in Nepal where it has been used to measure emissions from brick kilns, diesel water pumps, diesel vehicles, and cookstoves in India, Nepal, Pakistan, and Bhutan.
Publications by ICIMOD:
Musakonak Gobargas
Musakonak gobargas is Nepali for Ratnoze Biogas. It is a Ratnoze sensing platform configured with sensors to measure biogas flow, pressure, and composition (CH4 and CO2) for monitoring the performance of household biogas systems.
Gobargas Flow Monitor
Gobargas is Nepali for biogas. The flow monitors were constructed to log biogas energy consumption during Kitchen Performance Tests in Nepal. The monitor consists of an Arduino Due, Waltech shield, SD card logger, mass flow sensor, and rechargeable battery.
Gobargas Flow Monitor User Guide