12
Ease of use
•
The user controls all functionality and programming using menus displayed on color touch screen.
•
The compact unit clips to the workers belt or pocket allowing for flexibility during on-site
monitoring.
•
A detached sensor head easily attaches to the worker for true OSHA defined breathing zone
measurements.
User adjustable alarms can be preset to alert the worker of approaching threshold limits.
General Information
•
The touch screen displays real-time concentration in milligram per cubic meter (mg/m
3
or ug/m³)
in accordance with OSHA Reference Methods.
•
Statistical information of TWA, STEL, Max and Min levels can be viewed instantly.
•
The HD-7204 is calibrated using ISO 12103-1 Fine Test Dust (Arizona Road Dust ).
•
Calibrations include NISOH 0600 methods for Respirable Dust and 0500 Method for Nuisance
Dust with a + 10% accuracy.
•
The calibration and flow of the HD-7204 can be adjusted to compensate for Thoracic, Respirable,
or Inhalable changes in particle composition and distribution.
Overview of the HD-7204
Inhalable
Thoracic
Respirable
Bronchiole
Pleura
Bronchus
Trachea
Larynx
Particle Size-Selective Sampling
Figure 1-2. Diagram showing breathing zones of Inhalable, Thoracic, and Respirable dust particles.
Содержание HAZ-DUST HD-7204
Страница 2: ...2 HD 7204 User s Guide...
Страница 7: ...7...
Страница 8: ...8 1 Section One Introduction to the HD 7204...
Страница 18: ...18 2 Section Two Operating Parameters of the HD 7204...
Страница 35: ...35 3 Section Three Operating the HD 7204...
Страница 60: ...60 4 Section Four Dustcomm Pro Software...
Страница 64: ...64 Figure 4 2 DustComm Pro Screen immediately after loading software Loading DustComm Pro Software...
Страница 78: ...78 5 Section Five Maintenance of the HD 7204...
Страница 86: ...86 Appendix...