MIL-PRF-24021K
3.5.4 Temperature.
3.5.4.1 Room temperature. Each protective function of the monitor shall operate within the
limits of 3.4.4 when tested in accordance with 4.4.6.
3.5.4.2 High temperature. Each protective function of the monitor shall operate within the
limits of 3.4.4 when tested in accordance with 4.4.7.
3.5.4.3 Low temperature. Each protective function of the monitor shall operate within the
limits of 3.4.4 when tested in accordance with 4.4.8.
3.6 Dielectric strength. The monitor shall withstand a direct potential having an effective
value of 1,500 "100 volts applied between all the pins of the electric receptacle tied together and
the monitor case for 1 "0.1 minute. A notice (decal) shall be attached to the monitor to indicate:
WARNING! A dielectric test shall not be performed as part of any inspection procedure. At the
option of the manufacturer, markings in accordance with MIL-STD-130 may be used in lieu of
decals.
3.7 External circuit. For all tests which require operation of the monitor, it shall be connected
to an external circuit in accordance with figures 5, 6, and 7. A monitor shall not reset when an
impedance of 10 kilo-ohms or greater is connected across the external circuit reset button shown on
figures 5, 6, and 7.
3.8 Workmanship. After fabrication, parts and assembled equipment shall be cleaned of
smudges; loose, spattered, or excess solder; weld metal; metal chips, and mold release agents; or
any other foreign material which might detract from the intended operation, function, or appearance
of the equipment. Screws, nuts, and bolts shall show no evidence of cross threading, mutilation, or
detrimental or hazardous burrs, and shall be firmly secured. Bearing assemblies shall be free of
rust, discoloration, and imperfections of ground, honed, or lapped surfaces. Contacting surfaces
shall be free of tool marks, gouge marks, nicks, or other surface-type defects. There shall be no
detrimental interference, binding, or galling. Wires and cables shall be positioned or protected to
avoid contact with rough or irregular surfaces and sharp edges and to avoid damage to conductors
or adjacent parts. Shielding on wires and cables shall be secured in a manner that will prevent it
from contacting or shorting exposed current-carrying parts. The ends of the shielding or braid shall
be secured to prevent fraying. Containment (harness and cable) shall be neat in appearance and
shall not cause the wire or cable insulation to deform so that performance characteristics are
adversely affected. There shall not be any evidence of burns, abrading or pinch marks in the
insulation that could cause short circuits or leakage. Clearance of the wires shall prevent
deterioration of the wires and cables from heat generating parts.
3.9 Identification marking. A nameplate in accordance with MIL-STD-130 or equivalent,
shall be attached to each monitor and shall indicate the following information:
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