CEN/TC 321/WG 4 - Detonators and relays

This European Standard specifies a method of determining the equivalent initiating capability of detonators.
This standard also specifies a functioning test (after storage) at high and low temperatures.
This standard is not applicable to surface connectors or detonating cord relays.

1.1   This document specifies the constructional and functional requirements and methods for testing of devices and accessories needed for the reliable and safe initiation of detonators and shock tubes, under normal working conditions. It covers the following six types of equipment:
¾   blasting machines for initiating electric detonators;
¾   blasting machine checkers;
¾   initiating circuit field testers;
¾   shot firing cables for use with electric blasting machines;
¾   detonator connecting wires;
¾   shock tube initiators for non-electric systems.
1.2   Equipment indented only for use indoors is excluded from the environmental testing in Annex B.
1.3   Blasting machines for use with electronic detonators and magnetically coupled detonators are outside the scope of this document.
NOTE   This document does not meet all of the requirements of all relevant European Directives, such as the ATEX Directive 94/9/EC and the low voltage Directive 73/23/EEC. For example, EN 61010 (Safety requirements for electrical equipment for measurement, control and laboratory use) might also be relevant for some devices and accessories described in this document.

This European Standard specifies a method for determining the transfer capacity of transfer connector and coupling accessory intended for non-electric initiation systems.

This European Standard specifies the requirements for detonators, surface connectors, shock tube and detonating cord relays for civil uses.
This European Standard does not cover electronic initiation systems (see CEN/TS 13763-27) nor the devices and accessories for reliable and safe function of detonators and relays (see EN 13763-26).

This European Standard specifies a method for determining whether electric detonators can withstand an electrostatic discharge (ESD) without detonating.
This European Standard is not applicable to magnetically-coupled detonators.

This European Standard specifies a method for the determination of the capacitance, insulation resistance and insulation breakdown of leading wires of electric detonators.

This European Standard specifies a method for determining the all-fire-impulse and the no-fire-impulse of electric detonators.

This European Standard specifies a method to determine the reliability of electric detonators connected in series, when the manufacturer’s stated series firing current is applied.
The test method does not apply to magnetic coupled detonators and electronic detonators.

This European Standard specifies a method of determining the flash-over voltage of electric detonators.

This European Standard specifies a method for determining the no-fire current of electric detonators.

This European Standard specifies a method for determining the delay time accuracy of detonators and surface connectors with pyrotechnic delay elements. It does not apply to those with an electronic time delay.

This European Standard specifies a method for determining the ability of detonator leading wires/shock tubes, and their connections into the crimp/closure or sealing arrangement, to withstand a pullout when subjected to a pulling force.

This European Standard specifies methods for checking that a detonator, relay or surface connector will not explode when accidentally dropped onto a hard surface.

This European Standard specifies the methods for the determination of resistance to hydrostatic pressure of electric and non-electric detonators, surface connectors and relays.
Some detonating cord relays, stated by the manufacturer to be used in dry conditions, are excluded.

This European Standard specifies a method for determining the resistance of the detonator shell to bending. This standard does not apply to surface connectors.

This European Standard specifies a method for determining the resistance to abrasion of plastics used as insulating material for leading wires of electric detonators, or used as base material for the tubing of shock tube non-electric detonators.

This European Standard specifies a method for determining the resistance to cracking at low temperatures of leading wire insulation of detonators. This method is only applicable to electric detonators with plastic covered leading wires.

This European Standard specifies a method for assessing the ability of the explosive content of plain detonators to withstand the vibration likely to be experienced in normal use and handling.

This European Standard specifies a method for determining the resistance to failure of the plastic materials used in insulation of leading wires of electric detonators, or the tubing of shock tube non-electric detonators, when drawn over a sharp edge under specified loading conditions.

This European Standard specifies a method for determining the electrical resistance of electric detonators.

This Technical Specification specifies a risk analysis, evaluation and testing procedure to be used to investigate the safety and reliability of electronic initiation systems by identifying hazards and estimating the risks associated with the system. The Technical Specification also stipulates levels of acceptability for electronic initiation systems.

This European Standard describes methods for checking that plain detonators, electric detonators, non-electric detonators, shock tubes and relays will not explode when subject to an impact under specified conditions.

This EN describes a method for determining the shock-wave velocity of the shock tube of a non-electric detonator. NOTE This determination can be carried out at the same time as the determination of the delay accuracy, as described in prEN (WI 321037).

This EN describes a method for determining the thermal stability of electric detonators, non-electric detonators and relays.

This EN describes methods of determining the electrical insulation resistance (non-conductivity) and the electrical flash-over distance of shock tubes used with non-electric detonators.

This document specifies a method for determination the ability of the explosive content of plain detonators and semi-finished detonators to withstand vibration it could be exposed to during use, handling and transport. Plain detonators are instantaneous detonators supplied without means of activation. Semi-finished detonators are detonator supplied without means of activation
This document applies to explosives for civil uses.
NOTE Plain detonators and semi-finished detonators are normally activated by means of detonating cord, safety fuse, pyrotechnic igniter or shock tube.

This document specifies methods for the determination of the capacitance, insulation resistance and insulation breakdown of leading wires of electric detonators.
This document applies to explosives for civil uses.

This document specifies a method for determining the electrical resistance of electric detonators. This document applies to explosives for civil uses.

This document specifies a method to determine the series firing current of electric detonators. This document is applicable to explosives for civil uses.

This document specifies a method for determining the shock-wave velocity of shock tubes for use with non-electric detonators and electronic detonators.
This document applies to explosives for civil uses.

This document specifies evaluation and testing procedures to be used to investigate the safety and reliability of electronic detonators and electronic initiation systems.
This document specifies a methodology for risk analysis of electronic initiation systems.
This document is applicable to explosives for civil uses.

This document specifies the requirements for electric detonators, non-electric detonators, plain detonators, electronic detonators, electronic initiation systems, surface connectors, leading wires, shock tubes, coupling accessories and detonating cord relays.
This document specifies classification for electric detonators.
This document does not cover devices and accessories for reliable and safe function of detonators and relays; for this, see EN 13763 26:2004.

This document specifies a method for determining the resistance to cutting damage of the plastic materials used in insulation of leading wires of electric detonators, electronic detonators and the tubing of shock tube for non-electric detonators and electronic detonators, when drawn over a sharp edge under specified loading conditions.
This document is applicable to explosives for civil uses.

This document specifies a method for determining the mechanical strength of electric detonators, electronic detonators and non-electronic detonators, leading wires/shock tubes, and their connections into the crimp/closure or sealing arrangement.
This method is applicable to explosives for civil uses.

This document specifies a method for determining the no-fire current of electric detonators. This document applies to explosives for civil uses.

This document specifies a method for determining the resistance to abrasion of plastics used as insulating material for leading wires of electric detonators and electronic detonators or used as base material for the tubing of shock tube for non-electric detonators and electronic detonators.

This document specifies methods for determination of the sensitiveness to impact for plain detonators, electric detonators, non-electric detonators, electronic detonators, surface connectors, detonating cord relays and shock tubes used with electronic and non-electric detonators.
This document applies to explosives for civil uses.

This document specifies methods for determining the transfer capability of surface connectors, detonating cord relays and coupling accessories intended for non-electric initiation systems.
This document is applicable to explosives for civil uses.

This document specifies a method of determining the equivalent initiating capability of electric detonators, non-electric detonators and electronic detonators.
This document specifies a functioning test (after storage) at high and low temperatures.
This document is not applicable to surface connectors or detonating cord relays.
This document applies to explosives for civil uses.

This document specifies a method for determining the resistance of the electric detonators, non-electric detonators, plain detonators and electronic detonators to bending.
This document applies to explosives for civil uses.

This document specifies a method for determination of resistance to hydrostatic pressure of electric detonators, non-electric detonators, electronic detonators, surface connectors and detonating cord relays.
Detonating cord relays, stated by the manufacturer to be used in dry conditions, are excluded.
This document is applicable to explosives for civil uses.

This document specifies a method for verification of the thermal stability of electric detonators, non-electric detonators, plain detonators, electronic detonators, surface connectors, detonating cord relays and shock tubes for use with electronic and non-electric detonators.
This document applies to explosives for civil uses.
Explosives become more stable in low temperatures and therefore this method does not include temperatures lower than (75 ± 2) °C.

This document specifies a method of determining the flash-over voltage of electric detonators. This document applies to explosives for civil uses.

This document specifies a method for determining the all-fire impulse and the no-fire impulse of electric detonators.

This document specifies methods of determination of electrical insulation resistance (non-conductivity) and the electrical flash-over distance of shock tubes for use with non-electric detonators and electronic detonators.
This document is applicable to explosives for civil uses.

This document specifies a method for determining the resistance to cracking at low temperatures of the leading wire plastic insulation of electric detonators and electronic detonators.
This document is applicable to explosives for civil uses.

This document specifies a method for determining the delay time accuracy of electric detonators, non-electric detonators, surface connectors and detonating cord relays with pyrotechnic delay elements.
This document applies to explosives for civil uses.
NOTE The method for determining the delay time accuracy for electronic initiation systems is included in prEN 13763-27.

This document specifies methods for determination of resistance to damage by dropping unto a hard surface for non-electric detonators, electric detonators, electronic detonators, plain detonators, detonating cord relays or surface connectors.  
This document is applicable to explosives for civil uses.

This document specifies a method for determining of resistance of electric detonators to electrostatic discharge (ESD).
This document is applicable to explosives for civil uses.