MIL-PRF-10304/25D
REQUIREMENTS:
Dimensions and configuration: See figure 1.
Full-scale ranges: See table I.
Scale:
Length: 1.5 inch minimum.
Pointer deflection: 90° nominal.
Position influence: ±2 percent change for 60° rotation from normal operating position.
Overshoot: 40 percent maximum.
Response time: 2 seconds maximum.
Power consumption (loss) (at end scale deflection):
Self-contained instruments: 1.1 mA maximum.
External resistors: 1.0 mA ±3 percent.
Terminal voltage drop: 2 volts ±3 percent (external resistor ranges).
Frequency range (±2 % change): at 50/60, 500, and 1,000 Hz.
High temperature cycling:
Above 5 volts: ±5 percent.
5 volts and below: ±10 percent.
Permanent change: ±2 percent.
Temperature influence:
Above 5 volts: ±3 percent.
5 volts and below: ±4 percent.
Exposure to extreme temperatures: ±2 percent
Overload capacity:
Sustained overload:
±1 percent temporary zero shift.
±1 percent permanent zero shift.
±2 percent permanent change.
Dielectric withstanding voltage: 3, 000 volts rms.
TABLE I. Full-scale ranges.
Volts
Kilovolts 1/
2
100
1
10
5
200
2
20
10
300
5
50
20
1/ 500
30
50
1/ Used with external resistor.
These meters shall have a
full-scale-deflection of 1
milliampere.
2