How to Test Particle Transportation in Tubing for Particle Counters

How to Conduct Particle Transport Tests

Discussions about particle transportation in tubing are common within industries. Some argue that flow rate is most important, while others argue that the sampling tubing is most important. Both sides can agree that carefully planning the installation will minimize particle losses. Particle Measuring Systems (PMS) has written numerous technical papers that discuss particle transport, but often, we are asked how we conduct those tests. This paper relates methods for conducting particle transportation tests, including the reasons why flow rate and tubing materials significantly influence results.

Standards and Suggested Practices

Particle Loss in Tubing

Currently, no formal standards or suggested practices exist for testing particle transportation in tubing for particle counters. This paper is not intended to develop into a formal testing standard, but simply provide some guidelines for conducting particle transport tests based on our wide range of experience and applications in Particle Transportation in Tubing. Topics in this paper include:

  • forces on particles
  • test parameters
  • suggested test procedure
  • test procedure results

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