TM 11-6625-444-14-1
1100V DC or RMS (1500V)
Overload
Five full decades of digits plus a sixth digit
peak) may be applied to any
overrange indicator display the measured input or
range without damage
percentage ratio to the external reference voltage.
0.01% of reading or 1 digit
Accuracy
Polarity of the input is displayed adjacent to the
Periodic use of DC ZERO
overrange digit. Pushbutton switches allow
typically once every 8 to 24
hours, is required to maintain
selection of modes of operation and ranges. A
accuracy.
lighted function annunciator continuously indicates
Temperature coefficient
0.0007% of reading per C.
which mode of operation is selected.
Input impedance:
b. Special features include a variable sample
10V range
10,000 megohms
rate, selectable four-pole filter, auto ranging, and
100V, 1000V range 10 megohms
Noiserejection:
data output. Provisions have also been made to
60dB@ 60Hz
Normal mode (filtered)
allow installation of optional plug-in assemblies to
Common mode (with up
expand measurement and system capability.
to lK unbalance in
Options which may be installed are as follows:
either input lead):
(1) Ac converter (-01).
140 dB
DC
120dB@ 60Hz
Ac
(2) Data output (-03).
Balancing time
2 seconds
(3) Remote control (-04).
Automatically selected
Auto range
Dc ratio:
1-6. Description
Accuracy
0.005%, of reading or 1 digit
Input impedance
Greater than 50 kilohms at ex-
a. The voltmeter is completely solid-state in
ternal dc voltage ratio input.
design and most circuitry is located on easily
Ranges:
removed plug-in cards. An extender card located
Input voltage ranges
inside the voltmeter allows servicing of each plug-
EXTV
100V
1000V
10v
REF
in card. All circuitry is housed within a metal
1000%@ 10V in
100%@ 1V in
1V
10,000%@ 100V in
inclosure fitted with protective covers. The covers
100%@ 10V in
1000%@ 100V in 10,000%@ 1000 V in
10V
are easily removed to provide maintenance access.
10%@ 10V in
100V
100%@ 100V in 1,000%@ 1000V in
b. The chassis is a full rack width in size and
designed for installation in a standard 19-inch
b. General Specifications.
equipment rack. Holes in the front panel facilitate
Temperature:
rack mounting. Nonmarring feet are also included
+32 F. to +122F
operating
to allow bench-top use.
-65 F. to +160F.
Nonoperating
c. All operating controls, indicators, and input
Meets requirements of MIL-
Humidity
P r o c e d u r e II,
STD-810,
connectors are located on the front panel (fig. 1-2).
Method 507.
The power fuse and connector, 1 15/230V AC slide
Meets requirements of MIL-
Altitude
switch, data output. connector, rear input con-
STD-810, Procedure 1, Method
nectors, and external reference input connectors
500
are located on the rear panel (fig. 1-3).
Meets requirements of MIL-
Vibration
STD -810, Part 1, Procedure
1-7. Technical Characteristics
IX, Method 514
a. Mainframe Specifications
115/230V AC + 10%, 50 to 400
Input power
Hz, single phase
Dc volts:
30 minutes
Warmup time
Ranges
1V, 10V, 100V, 1000V
See figure 1-4
Dimensions
Automatic,
instantaneous
Polarity
selection and display
0.001% of range
Resolution
Digital Voltmeter AN/GSM-64B and power cable
20% , 1100V maximum input
Overrange
c o m p r i s e an operable equipment.
on 1000V range
Change 1
1-2
