SKC Limited EPAM-7500 - Manual (Page 12)

1-4
Overview of the EPAM-7500
Ease of use • The user controls all functionality and programming using menus displayed
on a high contrast LCD.
• A 24-hour rechargeable battery capacity.
• Automatic clean air purging of sensor for increased stability and accuracy.
• Internal temperature compensation for ambient use.
General
Information • The LCD displays real-time concentration in milligram per cubic meter
(mg/m
3
) in accordance with EPA or OSHA Reference Methods.
• Statistical information of TWA, STEL, Max and Min levels can be viewed
instantly.
• The Haz-Dust is calibrated using Arizona Road Dust (ARD) against NIOSH
method 0600 for Respirable dust with a + 10% accuracy.
• The calibration of the Haz-Dust can be adjusted to compensate for changes
in particle composition and distribution.
Figure 1.4. Diagram showing breathing zones of Inhalable, Thoracic, and Respirable dust
particles.
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