Test Equipment and Methods at The 3M Company Diesel Filter Products Laboratory

Five areas of test methods and equipment as used at The 3M Company Diesel Filter Products Laboratory are discussed. These include:

1. 1.
   Diesel particulate sampling,
2. 2.
   Data acquisition and process control,
3. 3.
   Durability evaluation,
4. 4.
   Exhaust gas flow rate measurement, and
5. 5.
   Engine test benches.

These methods and equipment, among others, enable performance and durability evaluation of diesel particulate traps.