Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size) has-digital NOTE: BS EN IEC 62386-220
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Description
NOTE: BS EN IEC 62386-220 does not apply to self-contained emergency lighting control gear
Rrecommendations ares also given in the following areas:
characteristics and measuring methods like dynamic testing with sinusoidal signals
a claim by or on behalf of the manufacturer that the product meets the requirements of the standard
The principal function of the support/hanger system is to ensure a secure connection to the building that will accept the load imposed by the air distribution system
Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size) has-digital NOTE: BS EN IEC 62386-220
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