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Gas generator firing circuit
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Projectile, 155MM, HE, M692 and M731 Housing, Timing and Fuzing
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Figure 12. Initial current measurement



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MIL-P-48189D (AR)
APPENDIX A
40.2.9 Detonator resistance.  The detonator resistance shall be
measured using a ohmmeter whose current output is 5.0 max. between F
and S.  The resistance measured shall be between the limits
specified in Table I.
40.2.10 Gas generator resistance.  The initiator resistance
shall be measured using an ohmmeter whose current output is 5.0 ma
(or preform).  The resistance measured
max.  between T and
shall be between the limits specified in Table I.
40.2.11  Detonator short.  The detonator short shall be measured
using an ohmmeter whose current output is 5.0 ma max. between F and
(or preform).  The resistance shall be within the limits
specified in Table I.
40.2.12  Breakwire continuity.  The breakwire continuity shall
be measured by connecting the S.U.T. as shown in Figure 11.  A high
logical output must be present at both BW1 and BW2.
Breakwire continuity check.
FIGURE 11.
85

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