SECTION 1
INTRODUCTION AND DESCRIPTION
1.1 This procedure describes the calibration of the Fluke 515A Portable Calibrator. The instrument being
calibrated is referred to herein as the TI (Test Instrument).
1.2 All comments concerning this procedure should be directed to Navy Measurement Science Directorate,
Naval Warfare Assessment Division, P.O. Box 5000, Corona, CA 91718–5000.
1.3 This procedure includes tests of essential performance parameters only. Any malfunction noticed during
calibration, whether specifically tested for or not, should be corrected.
Table 1. Calibration Description
Performance
Specifications
TI
Characteristics
Test
Method
Line regulation
DC voltage output
Frequency response
Voltage output for a 10% line voltage
change:
V range:
1 V or less
1V or 10V Range:
1 ppm of range or
less
100V Range:
10 ppm of range
or less
Range:
V: 0 to 999 V continuous with
1 V resolution
Tolerance:
2 V
1V: 0.0 to 1.0V in 0.1V steps
10V: 0 to 10V in 1V steps
100V: cardinal point
Tolerance:
0.003% of setting or 30
V whichever is greater
Range: 10V
Output frequencies: 10V, 400 Hz, 4
kHz, or 50 kHz
1 or 100V: 400 Hz
Voltage tolerance:
1V:
0.05%
10V:
0.04%; 400 Hz or
4 kHz,
0.1%;
50 kHz 100V:
0.06%
The TI output voltage is moni-
tored as the line
voltage is changed.
1, 10 and 100V TI output: Veri-
fied by a standard–cellrefer-
enced direct voltage measure-
ment system.
DC microvolt output:
Verified by using the voltage di-
vider to step down the voltage
output of the
standard–cell–referenced
direct voltage measurement
system.
10 Volt DC decade output:
Compared TI output with
the DC voltage calibrator
output by using ratio
measurement.
10V output tolerance is
verified at all frequency
output by using the thermal
transfer method.
NAVAIR 17–20AQ–70
1
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