TM 11-6625-2616-14
INTRODUCTION
Section I.
GENERAL
in accordance with instructions given in TM
1-1. Scope
38-750.
This manual describes Digital Voltmeter AN/
GSM64A and covers its installation and opera-
b. Report of Packaging and Handling Defici-
tion, operator, organizational, and general sup-
encies. Fill out and forward DD Form 6 (Re-
port maintenance. It includes operation under
port of Packaging and Handling Deficiencies) as
usual conditions, cleaning, and inspection of the
prescribed in AR 70058 (Army) /NAVSUP PUB
equipment, replacement of parts available to the
378 (Navy) /AFR 71-4 (Air Force)/ and MCO
operator and organizational repairman, and in-
P4030.29 (Marine Corps).
structions appropriate to general support for
c. Discrepancy in Shipment Report (DISREP)
troubleshooting, testing, calibration, and repair-
(SF 361). Fill out and forward Discrepancy in
ing the equipment.
Shipment Report (DISREP) (SF 361) as pre-
scribed in AR 5538 (Army) /NAVSUP PUB 459
(Navy)/AFM 75-34 (Air Force)/ and MCO
a. DA Pam 3104. Refer to the latest issue
P4610.19 (Marine Corps).
of DA Pam 310-4 to determine whether there
are new editions, changes, or additional publica-
d. Reporting of Equipment Publication Im-
tions pertaining to the equipment.
provements. The reporting of errors, omissions,
and recommendations for improving this publica-
b. DA Pam 3107. Refer to DA Pam 3107 to
tion by the individual user is encouraged. Re-
determine whether there are modification work
ports should be submitted on DA Form 2028
orders (MWO'S ) pertaining to the equipment.
(Recommended Changes to Publications) and for-
warded direct to Commander US Army Elec-
tronics Command, ATTN: AMSEL-MA-C, Fort
a. Reports of Maintenance and Unsatisfactory
Equipment. Use equipment forms and records
Monmouth, N.J. 07703.
Section Il. DESCRIPTION AND DATA
cessories. The instrument will also accept rack-
mounting adapters for mounting in a standard
19-inch mounting rack.
is a five-digit digital voltmeter used to measure
dc voltages in three ranges from 0.0001 volt
to 1000.0 volts, and dc voltage ratio (with
1-5. Technical Characteristics
1 volt to 10 volts reference input) in three
Dc voltage measurements:
ranges from 000,000 to 11999.9 percent or
00.0000 to 11.9999 volts
Ranges ----------
(with 10 volts to 100 volts reference input)
----------
000.000 to 119.999 volts
in three ranges from 00.0000 to 1199.99 per-
----------
0000.00 to 1000.0 volts
cent.
Automatic or manual
Ranging --------
P o l a r i t y -------- Automatic
b. Although not part of the basic equipment,
Accuracy --------
0.01% of reading or 1 digit
AN/GSM-64A will internally accept AC/DC
R e s o l u t i o n -----
1 digit
conversion, data output, and remote control ac-
Input impedance _ Greater than 10 megohms
