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Selecting the Right EBW Detonator



RISI manufactures a line of Exploding Bridgewire (EBW) detonators for a variety of industrial applications. This page is
intended to help the user select the proper initiator for their particular application.

The RISI line of EBW detonators can be divided into three categories:

  • High Precision: RP-1 • RP-2
  • General Purpose: RP-80 • RP-81 • RP-83 • RP-85 • RP-87 • RP-3
  • Economy: RP-501 • RP-502


The general characteristics are:

CATEGORY RELIABILITY STD DEV* THRESHOLD**
High Precision > .999 < 35NS approx.500V
General Purpose > .997 < 100NS approx. 500V
Economy > .990 < 500NS approx. 500V

* Standard Deviation of overall function time. NS = nanoseconds
** Using a 1 ufd capacitor with 18” coax cable.

All RISI detonators can initiate most common military and civilian explosives.




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P.O. Box 359 Tracy, CA 95378
Phone: 925-456-9700
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