Meter:
b. Specifications.
Type ................................... Ruggedized, D'Arsono-
Input requirement ..............120 vac, 60 cps, 160 w.
val movement.
Ac voltage ranges ..............0 to 2.5 v, 0 to 5 v, 0 to 10
Resistance ................................ 2,875 ohms (tempera-
v, 0 to 25 v, 0 to 50 v, 0
ture compensated).
to 100 v, 0 to 250 v,
Sensitivity ................................ 100 a dc at 287.5 mv.
and 0 to 500 v.
De voltage ranges ..............0 to 2.5 v, 0 to 5 v, 0 to 10
v, 0 to 25 v, 0 to 50 v, 0
c. Program Data.
to 100 v, 0 to 250 v, 0
Time required for calibration
1 hour (approx).
to 500 v.
Calibration level ....................... Maintenance.
Direct current ranges ........... 0 to 100 , 0 to 250 , 0
a
a
to 500 , 0 to 1 ma, 0
a
4. General Instructions. a. Calibration Data Card.
to 2.5 ma, 0 to 5 ma, 0
During the performance of this procedure, annotate DA
to 10 ma, 0 to 25 ma, 0
Form 2407 (Maintenance Request) in accordance with
to 50 ma, 0 to 100 ma,
TM 38-750.
0 to 250 ma, 0 to 500
ma, and 0 to 1 amp.
Output:
permitted between calibration checks for Electrical
Ac voltage ranges ............250 ma max.
Meter Test Set TS-656/U is contained in TB 11-6625-
Dc voltage ranges:
692-15/1.
0 to 2.5 v,
50 ma max.
through 0 to
c. Reporting
Requirements.
Report
50 v.
accomplishment of maintenance level calibration only
0 to 100 v, through
250 ma max.
when required as instructed in TB 11-6625-692-15/1.
0 to 500 v.
Direct current
750 ma max.
ranges.
d. Unit Under Test. Electrical Meter Test Set TS-
Dc voltage range
656/U will be referred to as "unit under test".
regulation:
0 to 2.5 v, through
10% at 15 ma.
e. Removal. Do not remove the unit under test
0 to 50 v.
from its protective case unless necessitated by
0 to 100 V, through
2% at 15 ma.
equipment connections and/or components to be
0 to 500 v.
adjusted which are not accessible from external ports
Accuracy:
provided on the unit under test.
Ac voltage ranges:
50 ma load ................... 2 1/2% from 55to 95F.
5. Differences Among Models. None.
250 ma load .................. 3 -1/2-12% from 55 to
95F.
Dc voltage ranges .........2% from 55to 95F.
Direct current ranges 2% from 55to 95F.
SECTION II
CALIBRATION
B. Authorized Accessories
6. Equipment Required. Equipment required for
calibration performance checks and adjustments is
Nomenclature
Federal stock no.
Description
listed in table I. When any of the equipment listed in
ELECTRICAL
4931-739-4430
12 in., No. 18, single
LEAD.1
banana plug ter-
may be used.
minations (red).
ELECTRICAL
4931-739-4431
12 in., No. 18, single
Table I. Equipment Required for Calibration
LEAD1
banana plug ter-
Performance Checks and Adjustments
minations (black).
A. Authorized Calibration Equipment
1
Two required.
Nomenclature
Federal stock no1
Note. It is recommended that personnel familiarize
ELECTRONIC ME-202/U VOLTMETER
6625-709-0288
themselves with the entire procedure prior to performing
RESISTANCE ZM-16/U DECADE .........
6625-669-0266
calibration.
1
These specifications are for information only and are
not necessarily verified in this procedure.
3
