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MIL-P-63315 (AR}
4.5.5  Insulation resistance, thermal shock, vi bration and function.
The pressure cartr idges shall be tested as follows, in the sequence
using approved equipment:
Measure resistance between the shorted electrodes and case
in accordance with 4.5.4.
Condition for two (2) hours minimum at minus 65 5F.
b.
Remove from cold chamber and within 20 seconds transfer to
c.
a hot chamber at 165 5F.
Condition for two (2) hours minimum at 165 + 5F and 20%
maximum relative humidity.
Remove from hot chamber.
Vibrate for 15 minutes, minimum in a sweep covering a
frequency range of 25-500-25 cycles per second, parallel to
the transverse orthogonal axis, with output and down and a
2 + 0.2 G's peak amplitude.
Measure resistance between shorted electrodes and case in
accordance with 4.5.4.
The pressure cartridges shall be tested, as specified in
h.
4.5.6 and 4.5.7.  Any pressure cartridge which fails to
comply with the applicable requirement shall be classed
defective.
(Destructive test)
No-fire voltage of pressure cartridge.  The samples for this
be selected after the performance of bridgewire resistance of
4.5.3.  The pressure cartridge shall be subjected to the specified
no-fire voltage by discharging a capacitor across the bridge circuit in
accordance with the requirements of Dwg. 9292613.  The bridgewire
resistance shall be checked as specified in paragraph 4.5.3 to assure
that the bridgewire has remained intact.  Any sample which fails to
comply with the applicable drawing requirement shall be classed defective
and shall cause the lot to be rejected.  A record of each firing shall be
kept.  See 6.7.
(Non-destructive test).
20

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