Measurement & Filtration Control

 What is Beta Rating?

 What is the difference between nominal and absolute ratings?

 What system conditions can affect the efficiency of my filters?

  When should I change my filters?

Measurement & Particle Counting Control

 How do automatic particle counters work?

  How to conduct fair tests & analysis with APCs.

 Off-line sampling versus On-line sampling

  The importance of detailed counts

 What factors can affect APC results?

 What is an automatic particle counter?

Measurement & Moisture Control

 How do moisture sensors work in oil?

 What is relative humidity (RH%)?

  What is the difference between parts per million and RH%?