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CALIBRATION CHECKLIST
TEST INST (S)
United Systems Corp. (Digitec) 251–3 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
+1000 mV
"
+1000 mV
"
+1000 mV
"
+1000 mV
"
+1000 mV
"
+1000 mV
"
+1000 mV
"
+1000 mV
"
+1000 mV
"
+1000 mV
4.1.6
–1000 mV
4.1.9
100 mV
TI 100 mV Range
4.1.13
10 V LSD
4.1.14
10 V LSD
Affix a special calibration label stating:
"The 100 mV range has been calibrated to +0.09% of range."
MFG.
NOMINAL
(3)
Calibrator
(mV)
1 V x 0
000.0
1 V x .1
100.0
1 V x .2
200.0
1 V x .3
300.0
1 V x .4
400.0
1 V x .5
500.0
1 V x .6
600.0
1 V x .7
700.0
1 V x .8
800.0
1 V x .9
900.0
1 V x .9
900.0
1 V x .1
100.00
( V)
520
480
MODEL
MEASURED VALUES
FIRST RUN
SECOND RUN
(4)
(5)
(mV)
( V)
NAVAIR 17–20VQ–05
SER. NO.
OUT
CALIBRATION TOLERANCES
OF
TOL
(7)
(6)
(mV)
–000.1 to
000.1
099.8
to
100.2
199.8
to
200.2
299.7
to
300.3
399.7
to
400.3
499.6
to
500.4
599.6
to
600.4
699.5
to
700.5
799.5
to
800.5
899.4
to
900.6
899.4
to
900.6
99.91
to
100.09
( V)
510
to
530
470
to
490
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