GB 9237-2001
Replaced
T/CRAAS 431.2-2017
Active
Group standards
T/CRAAS 431.2-2017 High-efficiency air filter and filter materials - Part 2: Airborne particle generation, measurement equipment, and statistical methods for particle counting
T/CRAAS 431.2-2017 High-efficiency air filter and filter materials - Part 2: Airborne particle generation, measurement equipment, and statistical methods for particle counting
Price:
$ 20.00
Basic Information
Standard Code:
T/CRAAS 431.2-2017
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Refrigeration technology
Publish Date:
2017-06-01
Implement Date:
2017-09-01
Scope
Main technical content: This part of T/CRAA 431 specifies the aerosol generation, measurement instruments, and statistical basis for counting events in particle counting for high-efficiency air filters and filter materials tested in accordance with T/CRAA 431.3, T/CRAA 431.4, and T/CRAA 431.5. This part is used in conjunction with T/CRAA 431.1, T/CRAA 431.3, T/CRAA 431.4, and T/CRAA 431.5.
Development Information
Same series standard
T/CRAAS 431.1-2017 High-efficiency air filter and filter materials - Part 1: Grading, performance testing, labeling
T/CRAAS 431.3-2017 High-efficiency air filter and filter materials - Part 3: Filter paper testing results
T/CRAAS 431.4-2017 High-efficiency air filter and filter materials - Part 4: Filter leak detection - Scanning method
T/CRAAS 431.5-2017 High-efficiency air filter and filter materials - Part 5: Filter testing methods
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