TB 9-6625-2023-35
IDENTIFICATION AND DESCRIPTION
1. Test Instrument Identification. This bulletin
provides instructions for the
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.
b. Time and Technique . The time required for this calibration is approximately 2
hours, using the dc and low frequency technique.
2. Forms,
Records, and
Reports
a. Forms, records and
reports required for
calibration personnel at all
levels are
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).
3. Calibration
Description. TI
parameters and
performance specifications which
pertain to this calibration are listed in table 1.
Test instrument
parameters
Performance specifications
Dc voltage
Range: 0 to 1000 V in 5 ranges
Accuracy (high resolution off):
0.1 V range:
(0.010% of reading + 5 digits)
1 V range:
(0.009% of reading + 1 digit)
(0.008% of reading + 1 digit)
10 V range:
100 and 1000 V range:
(0.010% of reading + 1 digit)
Accuracy (high resolution on):
1 V range:
(0.009% of reading + 5 digits)
10 V range:
(0.008% of reading + 3 digits)
100 and 1000 V range:
(0.010% of reading + 3 digits)
Ac voltage
Range: 0 to 1000 V in 4 ranges
1
Accuracy:
(0.06% of reading + 60 digits) 30 Hz to 20 kHz
(0.6 % of reading + 130 digits) 20 to 100 kHz
(2.1 % of reading + 300 digits) 100 to 250 kHz
(5.1 % of reading + 600 digits) 250 to 500 kHz
(6.3 % of reading + 3500 digits) 500 kHz to 1 MHz
Inputs above 500 V multiply tolerance by 1500 + Vin
1000
See footnotes at end of table.