Home » Products » Engine and Vehicle Emissions and Analytical
Request Technical Data

Exhaust Emissions from R&D
to Certification
BG3 Elite partial flow dilution particulate matter sampler

Sierra CP manufacturers a full suite of particulate emissions sampling and measurement systems for most applications.  The Elite Series product family ranges from Intake air and exhaust metering to partial flow samplers and fuel metering.  All products and systems are controlled by our CADET automation system.

BG3 Elite Particulate Partial Flow Dilution

The world's leading partial flow dilution technology for sampling diesel PM, our proprietary BG3 sensor system samples engine PM for transient and steady state test cycles for any regulation, engine size, and/or fuel.

more information


Particulate Sampling Support Equipment

We manufacture a complete offering of gravimetric diesel particulate filter sampling and post-processing solutions to complement our BG3 Partial Flow Dilution technology.

more information


Raw Exhaust Mass Flow Measurement

ExhaustTrak is a rugged, accurate and fast response-time mass flow meter for direct measurement of engine exhaust. The instrument is specifically designed for transient cycle flow rate measurement.

more information

Intake Air Mass Flow Measurement

Our AirTrak engine intake air mass flow meter is a research grade instrument designed specifically for engine intake air mass flow measurement and features 200 millisecond ultra-fast response time. We also supply a wide variety of mass flow meters and controllers and air scrubbing instrument solutions.

more information