Comfort Chek
400 Operation Manual
1509-9000 Rev 4
13
6. CO
2
LEVELS AND GUIDELINES
The following are excerpts from ANSI/ASHRAE addendum standard 62.1 – 2004.
Refer to section 1.4 for general CO
2
guidelines.
6.1. Enforceable and/or Regulatory Levels
•
OSHA: 5000 ppm (The Occupational Safety and Health Administration)
•
MAK: 5000 ppm or 10,000 ppm (1 hour) (German Institution)
6.2. Non-Enforced Guidelines and Reference Levels
•
Canadian: 3500 ppm (long term)
•
NIOSH: 5000 ppm or 30,000 ppm (15 minutes) (The US National Institutes of
Health)
•
ACGIH: 5000 ppm or 30,000 ppm (15 minutes) (The American Conference of
Governmental Industrial Hygienists)
7. NOTES
•
TWA (Time Weighted Average) value represents the average carbon dioxide
level exposure during 8 hours (working day).
•
STEL (Short Term Exposure Limit) value shows the last 15 minutes’ CO
2
.
•
ASHRAE: Standard 62-1989, Sec.6.1.3: Comfort (odor) criteria are likely to be
satisfied if the ventilation rate is set so that 1000 ppm of CO
2
is not exceeded.
Содержание Comfort Chek 400
Страница 1: ...Instruction 1509 9000 Operation Manual Rev 4 June 2013 Product Leadership Training Service Reliability...
Страница 2: ...Comfort Chek 400 Operation Manual ii 1509 9000 Rev 4...
Страница 10: ...Comfort Chek 400 Operation Manual 4 1509 9000 Rev 4 Figure 2 1 Comfort Chek 400 Dimensions...