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CALIBRATION CHECKLIST
TEST INST (S)
Vidar 520 Integrating Digital Voltmeter*
NA 17–20VQ–05
PROC. NO.
PROCEDURE
FUNCTION TESTED
STEP
NO.
(2)
(1)
4.1
Direct–Voltage Measurements
TI Range
4.1.3
10 V
"
10 V
"
10 V
"
10 V
"
10 V
"
10 V
"
10 V
"
10 V
"
10 V
"
10 V
4.1.6
–10 V
4.1.9
100 V
"
1000 V
TI Range Calibrator
"
1000 mV 1 V
TI 100 mV Range
4.1.13
1 V LSD
4.1.14
1 V LSD
Affix a special calibration label stating:
"The 10 mV and 100 mV ranges have not been calibrated."
*Calibration is in two parts: First, calibrate the TI electronic–counter function in accordance with
VF–06; then, calibrate the voltmeter function with this procedure,VQ–05.
MFG.
NOMINAL
(3)
Calibrator
(V)
10 V x 0
0.0000
10 V x .1
1.0000
10 V x .2
2.0000
10 V x .3
3.0000
10 V x .4
4.0000
10 V x .5
5.0000
10 V x .6
6.0000
10 V x .7
7.0000
10 V x .8
8.0000
10 V x .9
9.0000
10 V x 1
10.0000
100 V
100.000
100 V
100.00
mV)
1000.00
V)
502
498
MODEL
MEASURED VALUES
FIRST RUN
SECOND RUN
(4)
(5)
(V)
(mV)
( V)
NAVAIR 17–20VQ–05
SER. NO.
OUT
CALIBRATION TOLERANCES
OF
TOL
(7)
(6)
(V)
–0.0004 to
0.0004
0.9995
to
1.0005
1.9995
to
2.0005
2.9994
to
3.0006
3.9994
to
4.0006
4.9993
to
5.0007
5.9993
to
6.0007
6.9992
to
7.0008
7.9992
to
8.0008
8.9991
to
9.0009
9.9991
to
10.0009
99.991
to
100.009
99.95
to
100.05
(mV)
999.89
to
1000.11
( V)
501
to
503
497
to
499
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