MIL-DTL-16034B
TABLE I. Samples for qualification test of switchboard meters.
Specimens
Ranges covered
Kind of meter
Number
(end scale)
Type designation
required
DC voltmeters
MR49W300DCVVH
3
5 to 800 volts
DC microammeter
MR49W050DCUAH
2
50 microamperes to
500 microamperes
4½-inch, 250
DC ammeters, self-contained
MR49W030DCAAH
3
1 milliampere to 50 amperes
degree nominal
scale, high-impact, DC ammeters, external shunt
MR49W100DCAAH
3
Above 50 amperes
shock-resistant
AC voltmeters, 60 cycle1/
MR49W300ACVVH
3
150 to 600 volts
AC ammeters, 60 cycle1/
MR49W005ACAAH
3
100 milliamperes to
14 kiloamperes
DC voltmeters
MR49W300DCVV
2
5 to 800 volts
DC ammeters, self-contained
MR49W030DCAA
2
1 milliampere to 50 amperes
4½-inch, 250
DC ammeters, external shunt
MR49W100DCAA
2
Above 50 amperes
degree nominal
scale
AC voltmeters, 60 cycle1/
MR49W300ACVV
2
150 to 600 volts
AC ammeters, 60 cycle1/
MR49W005ACAA
2
100 milliamperes to
14 kiloamperes
DC voltmeters
MR68W300DCVV
2
5 to 800 volts
DC ammeters, self-contained
MR68W030DCAA
2
1 milliampere to 50 amperes
6-inch, 90 degree
DC ammeters, external shunt
MR68W100DCAA
2
Above 50 amperes
nominal scale
AC voltmeters, 60 cycle1/
MR68W300ACVV
2
150 to 600 volts
AC ammeters, 60 cycle1/
MR68W005ACAA
2
1 milliamperes to
3 kiloamperes
DC voltmeters
MR99W300DCVVH
3
5 to 800 volts
8¾-inch 250 degree DC microammeter
MR99W200DCUAH
3
200 microamperes to 1
nominal scale,
milliampere
high-impact, shock-
DC ammeters, self-contained
MR99W030DCAAH
3
1 milliampere to 50 amperes
resistant
DC ammeters, extent shunt
MR99W100DCAAN
3
Above 50 amperes
NOTE:
1/
When approval is desired for 400- or 800-cycle meters, the range of the specimens submitted shall be the same as
that specified for 60-cycle meters. The number of specimens required shall be in accordance with 4.3.1.
14
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