This calibration material has been discontinued, and this Application Note will examine the steps that optical Particle Counter users need to take to ...

ACFTD was used as a challenge medium to load filters, whether for air or liquid, as well as the calibration of particle counters.

This calibration material has been discontinued, and this Application Note will examine the steps that optical Particle Counter users need to take to transition ...

However, as ACFTD is sand of varying grain size, its effect on the filtering result cannot be applied directly to contamination with debris, which has ...

ACFTD is no longer being produced and many standards organizations are now selecting replacement dusts, most notably ISO 12103-A3, for calibration and testing ...

Instances of particle sizes given as “µm” refer to ACFTD (i.e. Air Cleaner Fine Test Dust) distributions. Instances of particle sizes given as “µm(c)” refer ...

ACFTD is a meticulously engineered dust specifically designed to simulate the size distribution and properties of real-world airborne particles. This dust is ...

This article presents an introduction to the new calibration method including the impact on resultant particle sizes, particle counts and contamination classes.

For several decades, AC Fine Test Dust ACFTD has been utilized for a number of purposes in the area of hydraulic and lubrication contamination control.

Air Cleaner Fine Test Dust (ACFTD) was used by the hydraulics industry as a calibration medium for petroleum based liquid particle counters for many years ...