BS 7765:1994

Committees responsible
Foreword
Introduction
Specification
Section 1. General
1.1 Scope
1.2 References
1.3 Definitions
Section 2. All types of detonators
2.1 Items to be agreed and documented between the
     contracting parties
2.2 Type tests
2.3 Marking
Section 3. Electric detonators
3.1 General
3.2 Type tests
3.3 Leading wire colour coding (direct coupling only)
3.4 Precautions against radio-frequency ignition
Section 4. Non-electric detonators
4.1 General
4.2 Type tests for shock tube detonators
Section 5. Detonators intended for use in potentially
            explosive atmospheres such as mines
            susceptible to firedamp
5.1 General
5.2 Construction
5.3 Electrical characteristics
5.4 Initiation time
5.5 Type test on incendivity
5.6 Detonators used for infusion shot firing
Annex
A (informative) Test procedure for determining the
     all-fire and no-fire currents for electric
     detonators
Tables
1 Delay accuracy and precision for general purpose
     delay detonators
2 Waterproofing test
3 Long term storage test
4 Colour coding of leading wires
5 Electrical characteristics
A.1 Example of test results
A.2 Transformation of percentages to probits
Figures
1 Lead plate initiating power test: comparison
     photographs
2 Leading wire abrasion test rig
3 Arrangement for testing of initiation risk
A.1 Relationship between firing current and probability
     fusehead firing
A.2 Probit versus logarithm of current
A.3 Relationship between percentages and probits
A.4 Example of tests on fuseheads to determine all-fire
     current
List of references