Electric Detonators - Commercial Explosives | Blasting Services

Product and Company Identification
Product IdentifierSERIES 4000 ELECTRIC DETONATOR Daveydet MI (medium intensity), delay, short delay and instantaneous; Daveydet HI (high intensity) instantaneous; and Daveydet SR (seismic) detonators.
Use of the ProductExplosive initiation - industrial use These detonators are not suitable for use in gassy mines. Daveydet P detonators should be used in those conditions.
Manufacturer / SupplierEPC-UK EXPLOSIVES
AddressROUGH CLOSE WORKS CARNFIELD HILL SOUTH NORMANTON ALFRETON DERBYSHIRE, DE55 2BE
Telephone Number01773 832253
Contact e-mail[email protected]
Emergency Telephone Number01773 832253

Product Specification
The detonators have a plastic tag on one of the wires that indicates the delay number of the detonator.

Detonator TypeWire Colours
High Intensity Instantaneous DetonatorsWhiteWhite
Medium Intensity Instantaneous DetonatorsYellowWhite
Medium Intensity Short Delay DetonatorsPinkGreen
Medium Intensity Half Second DetonatorsRedYellow

The fuseheads in Daveydet detonators have the following electrical characteristics:

Medium IntensityHigh Intensity
Fusehead Resistance0.45 ohms0.05 ohms
Guaranteed no fire current0.65 amps4.2 amps
Guaranteed all fire current for one detonator1.0 amps7.0 amps
Recommended series firing current1.7 amps13 amps
Maximum no fire energy8mj/W500mj/W
Minimum operating energy15mj/W1000mj/W

The fuseheads in Daveydet detonators have the following electrical characteristics:

Short circuited lead wires and shell11kV with 2000pF25kV with 3000pF
One lead wire and the shell6kV with 2000pF25kV with 3000pF
Two ends of the detonator lead wires5kV with 2000pF25kV with 3000pF

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