Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test apparatus
4.1 General
4.2 Explosion vessel
4.3 Dust dispersion system (dust container, fast acting
valve, connecting tube, dust disperser)
4.4 Ignition source
4.5 Control unit
4.6 Pressure measuring system
5 Dust sample
6 Test procedure
7 Calibration and verification
7.1 Calibration
7.2 Verification
8 Safety precautions/instructions for use
9 Alternative test equipment/procedures
10 Test report
Annex A (normative) Electro pneumatic valve
Annex B (normative) Dust disperser with 5 mm holes
Annex C (normative) 20 l sphere
C.1 General
C.2 Test apparatus
C.3 Test conditions
C.4 Test procedure
C.5 Calculation and correction of p[max]
Annex ZA (informative) Relationship between this
European Standard and the Essential Requirements
of EU Directive 94/9
Bibliography