MIL-PRF-10304/20D
REQUIREMENTS:
Dimensions and configuration: See figure 1.
Full-scale ranges: See table I.
Scale:
Length: 1.5 inches minimum.
Pointer deflection: 180� nominal.
Position influence: �2 percent maximum change for 60� rotation from normal operating position.
Accuracy: �2 percent.
Overshoot: 57 percent maximum.
Response time:
2.5 seconds maximum on milliammeters and voltmeters.
3 seconds maximum on microammeters.
Power consumption:
Microammeters: 750 mV maximum
Millimmeters:
150 mV maximum
1 mA �5 percent
Voltmeters:
High temperature cycling:
�4 percent maximum change (ammeters).
�3 percent maximum change (voltmeters).
�2 percent maximum permanent change.
Temperature influence:
�.75 percent maximum change (voltmeters).
�1 percent change (ammeters).
Exposure to extreme temperatures: �3 percent maximum permanent change (ammeters and
voltmeters).
Overload capacity:
Momentary overload: �2 percent maximum permanent change.
Sustained overload:
�1 percent maximum temporary zero shift.
�1 percent maximum permanent zero shift.
�2 percent maximum permanent change.
Dielectric withstanding voltage: 1,300 volts rms.
Vibration, random drop, and shock: Repeatability is not acceptable for those microammeters below
100-microampere ranges.
2
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