MIL-DTL-16034/18A
NOTE:
1/
Ammeters above 50 amperes and all kiloammeters are calibrated for use with 50-millivolt external shunts.
REQUIREMENTS 1/
ITEM
Scale length
13 inches min
Position influence (balance)
1 percent of scale length, max change
Initial accuracy
1 percent max error
(1.5 percent max error for high-impact shock-resistant meters)
Damping factor
3 min
Response time
3.5 seconds, max
Power consumption
500 mV max: milliammeters
150 mV max: self-contained ammeters
50 mV +1 percent, (external-shunt type ammeter with 0.065+0.010-ohm leads
attached)
External-field influence
1 percent max change in 5-oersted field
Heat effect at 65 °C
4 percent max change at 65 °C
0.5 percent max permanent change
Temperature influence
1 percent max change.
2.5 percent max change at 0 °C
Low-temperature exposure
0.5 percent max permanent change
Momentary overload
1 percent max change
Sustained overload
1 percent of scale length, max temporary zero shift
0.5 percent of scale length, max permanent zero shift
0.33 percent max permanent change in indication
Vibration
1 percent max change
Friction effect
2 percent max change
Humidity resistance
2 percent max change
Shock (high-impact)
5 percent max change
NOTE:
1/
Percentages are based on full-scale value, unless otherwise indicated herein.
CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes with
respect to the previous issue due to the extent of the changes.
Preparing Activity:
Navy SH
(Project 6625-N097)
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using the
ASSIST Online database at https://assist.daps.dla.mil.
2