Seismic Prospecting Electric Detonator

High-reliability electric detonator for initiating seismic sources in 
exploration
Initiating power
No. 8
Shell
Legwire
Copper or steel  ·  50 mm
Copper core Φ0.45 or Φ0.5 mm  ·  3 m 
(or to order)
Resistance
Safety current
1.7 – 2.7 Ω (Φ0.45 mm core)  ·  1.5 – 2.5 
Ω (Φ0.5 mm core)
0.18 A DC for 5 minutes — no firing
Firing current
3.5 A (single detonator)  ·  reaction time 
≥ 1 ms