Minimum Use
Specifications
Item
Calibration
Equipment
2.1 Autotransformer
2.2 Multimeter
2.3 Differential
voltmeter
2.4 Direct voltage
measurement
system
consisting of:
2.4.1 Null detectors
2.4.2 Reference
divider
2.4.3 DC voltage
calibrator
2.4.4 DC transfer
standard
2.4.5 Accessory kit
leads
2.5 Voltage divider
2.6 Thermal transfer
standard
2.7 Differential
voltmeter
Range: Input 115V, output adjustable
between 105 and 125V
Current: 200 mA
Uncertainty: N/A
Range: 105 to 125 volts av
Input impedance: 5 kW/V
Uncertainty: +
5%
Range: 0 to 125V
Null range: must be able to discriminate +
10
mV deviations
Uncertainty: N/A
Ranges: 1, 10, or 100V
Uncertainty:
1V range; +
7.5 ppm of output
10V range; +
12.8 ppm of output
100V range; +
13.2 ppm of output
Shielded low–thermal cable with
low–thermal spade lugs
Ratio range: 0 to 1.1 with a 1.1 input tap
Resolution: 0.1 ppm of input with 7
decades
Uncertainty: 1 ppm of input
Measurement uncertainty when corrected for
AC–DC difference, 1V to 100V, 400 Hz to
50 kHz; 120 ppm of input
Range: 1 to 100V; av to 50 kHz
Uncertainty: N/A
(Prime interest is repeatability)
General Radio W5MT3A
or W10MT3A
Simpson 260 series
John Fluke 895A
Fluke 7105A:
John Fluke 845AB
(2 required)
John Fluke 750A
John Fluke 332A or 332B
John Fluke 731B or 731A
Fluke P/N 6016–278887
” P/N 6016–278895
” P/N 6016–279893
” P/N 6016–278403
” P/N 6016–278911
” P/N 6016–278929
” P/N 6016–278945
” P/N 6016–278937
John Fluke 720A
John Fluke 540B
John Fluke 931B01 or 931AB
NAVAIR 17–20AQ–70
3