TB 9-6625-2324-35
IDENTIFICATION AND DESCRIPTION
calibration of True RMS Voltmeter, John Fluke, Models 8922A and 8922A/AA. The
manufacturer's manual was used as the prime data source in compiling these
instructions. The equipment being calibrated will be referred to as the TI (test
instrument) throughout this bulletin.
a. Model Variations. None.
hours, using the dc and low frequency technique.
prescribed by TB 750-25.
b. Adjustments to be reported are designated (R) at the end of the sentence in which
they appear. When adjustments are in tables, the (R) follows the designated adjustment.
Report only those adjustments made and designated with (R).
pertain to this calibration are in table 1.
Test
instrument
parameters
Performance specifications
Ac voltage
Range: 0 to 700 V
Accuracy: % of voltage reading or ( dB)
Frequency1, 2
Range
2 mV
20 mV
200 mV
2V
20 V
200 V
700 V
10
to 20 Hz
5 (.5)
20
to 50 Hz
3 (.35)
2 (.25)
1 (.15)
50 Hz to 10 kHz
2 (.25)
1 (.15)
.5 (.1)
10
to 200 kHz
4 (.4)
1 (.15)
.5 (.1)
200 kHz to
1 MHz
4 (.4)
2 (.25)
.7 (.15)
1
to
2 MHz
4 (.4)
3 (.35)
N/A
2
to 11 MHz
5 (.5)
N/A
See footnotes at end of table.
