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CALIBRATION CHECKLIST
TEST INST (S)
Cohu 501B, 501BZ, 502B, or 502BZ Digital Voltmeter with 452, 452A, or 452B AC Converter
NA 17–20VQ–05
PROC. NO.
PROCEDURE
FUNCTION TESTED
STEP
NO.
(2)
(1)
4.1
Direct–Voltage Measurements
TI Range
4.1.3
20 V
"
20 V
"
20 V
"
20 V
"
20 V
"
20 V
"
20 V
"
20 V
"
20 V
"
20 V
"
20 V
4.1.6
–20 V
4.1.9
2 V
"
20 V
"
200 V
"
1000 V
TI 2 V range
4.1.13
100 V LSD
4.1.14
100 V LSD
4.2
Alternating–Voltage Measurements (with 220 converter)
Range
4.2.2
20 V
"
200 V
"
1000 V
"
1000 V
"
20 V
MFG.
NOMINAL
(3)
Calibrator
(V)
10 V x 0
0.000
10 V x .1
1.000
10 V x .2
2.000
10 V x .3
3.000
10 V x .4
4.000
10 V x .5
5.000
10 V x .6
6.000
10 V x .7
7.000
10 V x .8
8.000
10 V x .9
9.000
10 V x 1
10.000
10 V x 1
10.000
1 V x 1
1.0000
10 V x 1
10.000
100 V
100.00
100 V
100.0
V)
( V)
700
300
Calibrator
(V)
400 Hz–10 V
10.000
400 Hz–100 V
100.00
400 Hz–100 V
100.0
4 kHz–10 V
10.0
4 kHz–10 V
10.000
MODEL
MEASURED VALUES
OUT
FIRST RUN
SECOND RUN
OF
TOL (6)
(4)
(5)
(V)
(V)
NAVAIR 17–20VQ–05
SER. NO.
CALIBRATION TOLERANCES
(7)
(V)
–0.001
to
0.001
0.999
to
1.001
1.999
to
2.001
2.999
to
3.001
3.999
to
4.001
4.998
to
5.002
5.998
to
6.002
6.998
to
7.002
7.998
to
8.002
8.998
to
9.002
9.998
to
10.002
9.998
to
10.002
0.9998 to
1.0002
9.998
to
10.002
99.98
to 100.02
99.9
to 100.1
( V)
600
to
800
200
to
400
(V)
9.990
to
10.010
99.90
to 100.10
99.9
to 100.1
9.9
to
10.1
9.990
to
10.010
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