Explosives for civil uses - Detonators and detonating cord relays - Part 21: Verification of flash-over voltage of electric detonators
STANDARD published on 1.3.2026
Designation standards: ČSN EN 13763-21
Classification mark: 668234
Catalog number: 522898
Publication date standards: 1.3.2026
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies a test method for the verification of the flash-over voltage of electric detonators.
This document does not apply to non-electric, electronic, plain or semi-finished detonators.
This document does not apply to surface connectors, detonating cord relays, leading wires, shock tubes, coupling accessories and electronic initiation systems