NBN EN 1093-4 : 1996 + A1 2008
Current
The latest, up-to-date edition.
SAFETY OF MACHINERY - EVALUATION OF THE EMISSION OF AIRBORNE HAZARDOUS SUBSTANCES - PART 4: CAPTURE EFFICIENCY OF AN EXHAUST SYSTEM - TRACER METHOD
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Simplified expression of the capture efficiency
6 Test method
6.1 General procedure
6.2 Measurement of the concentration (C3)
6.3 Application to a specific group of machines
7 Control parameters and influencing factors
7.1 Control parameters
7.1.1 Type of tracer
7.1.2 Emitter shape and position
7.1.3 Aerodynamic characteristics of emission
7.2 Influencing factors on capture efficiency
8 Test report
Annex
A (informative) Simplified calculation of the
random component of the uncertainty on C3(95%)
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