Particle Count Measurement - FAQ
News - 07/12/2022
Switzerland is optimizing its exhaust gas measurement method and introducing particle counting.
What will change in 2023 during the periodic follow-up inspection?
Until now, only exhaust emissions and smoke opacity were measured during emissions testing of diesel vehicles. Particulate matter measurement is now mandatory.
Which vehicles are affected by the new regulation?
The new requirement applies to all diesel vehicles equipped with a particulate filter:
• passenger cars: Euro 5b and later
• heavy-duty vehicles: Euro VI and above.
Does the particulate counter replace the exhaust gas analyzer? Is the particulate counter mandatory?
Emissions testing remains mandatory for older diesel vehicles without a particulate filter (e.g., Euro 4).
However, cantonal motor vehicle authorities and inspection centers that wish to continue testing emissions from diesel vehicles with particulate filters must equip themselves with an additional particulate matter measuring device.
Do I need to replace my exhaust gas analyzer?
Existing analyzers can be upgraded. In our analyzers, particulate matter measurement is compatible with the entire range of CAPELEC exhaust gas analyzers.
You can also use a “standalone” device to avoid the cost of upgrading your existing analyzer.
How does the Capelec particle counter work?
Currently, soot measurement is performed with the accelerator pedal fully depressed, which measures maximum smoke emissions.
With the Capelec particle counter, the measurement is taken at idle without having to press the accelerator pedal—a process that is polluting, noisy, and stressful for both engines and operators.
Is the Capelec exhaust particle tester easy to use?
It’s very simple to use; results are displayed in real time via Bluetooth on a laptop, tablet, or smartphone, and the PASS/FAIL result is clear.
The process is completed in just a few seconds.
Why choose Extended DC technology over other options?
The Extended DC principle involves electrically charging particles through the diffusion of a high ionic density. Soot particles are drawn in by a stream of clean air via the Venturi effect. This keeps the sensor clean and reduces the need for maintenance.
Learn more about Extended DC technology
What are the main advantages of the Capelec particle counter?
Rugged equipment and precision technology
The CAP3070 particle counter enables workshops and inspection agencies to work productively and efficiently:
- Reliable and fast measurement
- Integration with existing equipment
- Low maintenance, cost-effective, and durable
- Portable and easy to use.
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