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How detonation is measured.
Background notes on the physics, the measurement chain and the vocabulary behind our instruments.
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What is Velocity of Detonation (V.O.D) ?
Definition, physics, typical values and why V.O.D is the most cited performance metric of a high explosive.
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Detonator delay measurement
Pyrotechnic and electric detonators, why measuring real delays matters, and how the shock tube signal speed is characterized.
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V.O.D. measurement methods
The three measurement families used in laboratory and field V.O.D characterization, with their respective strengths and operational limits.
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Optimization of blast operation
V.O.D and timing are the two physical levers a blaster controls. Measuring them turns blast design into a quantitative engineering process.
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Quality control of energetic materials
V.O.D and detonator delay measurement are central performance indicators for the quality control of explosives, propellants, detonating cords, detonators and pyrotechnics.
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Fiber optic measurement chain
Every measurement travels as light, not as current. That single design decision is what makes measurement on a live blast site possible.
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Glossary
The vocabulary used across this site.
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