SKC Limited Haz-Dust IV - Manual (Page 12)

Overview of the Haz-Dust IV
Ease of use • The user controls all functionality and programming using menus displayed
on a high contrast LCD.
• The compact unit attaches to the workers waist allowing for flexibility
during on-site monitoring.
• A detached sensor head easily attaches to the worker for true breathing zone
measurements.
• A user adjustable alarm can be preset to alert the worker of approaching
threshold limits.
General
Information • The LCD displays real-time concentration in milligram per cubic meter
(mg/m 3 ) in accordance with OSHA Reference Methods.
• Statistical information of TWA, STEL, Max and Min levels can be viewed
instantly.
• The Haz-Dust IV is calibrated using Arizona Road Dust (ARD) against
NIOSH method 0600 for Respirable dust with a + 10% accuracy.
• The calibration of the Haz-Dust IV can be adjusted to compensate for
Thoracic, Respirable, or Inhalable changes in particle composition and
distribution.
Figure 1-4. Diagram showing breathing zones of Inhalable, Thoracic, and Respirable dust
particles.
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