What do the abbreviations in the technical specifications of the SWARM mean?

Here you can find the technical specifications of the SWARM:

The abbreviations mean the following:

Abbreviation Meaning Info
PPS Peak Particle Sum Interpretation and acceptable  values differ with standards and guidelines applied.
PVS Peak Vector Sum This is a combined value of all axes of a measuring instrument. Interpretation and acceptable values differ with standards and guidelines applied.
PPV Peak Particle Velocity Interpretation and acceptable values differ with standards and guidelines applied.
PPA Peak Particle Acceleration Interpretation and acceptable values differ with standards and guidelines applied.
VDV Vibration Dose Value Interpretation and acceptable values differ with standards and guidelines applied.