TEST INST (S)
CALIBRATION CHECKLIST
PROC. NO.
Hewlett–Packard 970A Probe Digital Voltmeter
MFG.
MODEL
SER. NO.
PROCEDURE
STEP
NO.
(1)
FUNCTION TESTED
(2)
NOMINAL
(3)
MEASURED VALUES
FIRST RUN
(4)
SECOND RUN
(5)
OUT
OF
TOL
(6)
CALIBRATION TOLERANCES
(7)
NA 17–20VQ–05
Page 1 of 2
4.1
Direct–Voltage Measurements
TI Range
Calibrator
(V)
(V)
(V)
4.1.3
V–
1 V x 0
0.0000
–0.0002 to
0.0002
”
V–
1 V x .1
0.1000
0.0991
to
0.1009
”
V–
1 V x 1
1.000
0.991
to
1.009
”
V–
10 V x .2
2.00
1.97
to
2.03
”
V–
10 V x .3
3.00
2.96
to
3.04
”
V–
10 V x .4
4.00
3.95
to
4.05
”
V–
10 V x .5
5.00
4.94
to
5.06
”
V–
10 V x .6
6.00
5.94
to
6.06
”
V–
10 V x .7
7.00
6.93
to
7.07
”
V–
10 V x .8
8.00
7.92
to
8.08
”
V–
10 V x .9
9.00
8.92
to
9.08
4.1.6
Negative V– 10 V x 1
10.00
9.91
to
10.09
4.1.9
V–
100
100.0
99.1
to
100.9
TI 0.1 V Range
V)
(
V)
(
V)
4.1.13
100
V LSD
700
600
to
800
4.1.14
100
V LSD
300
200
to
400
4.2
Alternating–Voltage Measurements
FUNCTION Calibrator
(V)
(V)
(V)
4.2.2
V
400 Hz–1 V
1.0000
0.975
to
1.025
”
V
400 Hz–10 V
10.0000
9.75
to
10.25
”
V
4 kHz–10 V
10.0000
9.60
to
10.40
”
V
400 Hz–100 V
100.000
97.5
to
102.5
NAVAIR 17–20VQ–05
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