TB 9-6625-011-24
5. Accessories Required. The accessories required for this calibration are common
usage accessories issued as indicated in paragraph 4 above and are not listed in this
calibration procedure.
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
CALIBRATOR
Ac voltage:
Fluke, Model 5720A (5700A/EP) (p/o MIS-
35947); w amplifier, Fluke 5725A/AR
Range: 3 mV to 300 V
(5725A/AR); w/ac divider, Fluke, Model
Frequency: 400 Hz and 1 kHz
7405A-4207 (7405A-4207)
Accuracy: 0.25%
Wideband voltage:
Voltage: 900 V to 0.9 V
Frequency: 20 Hz to 10 MHz
(1 kHz reference)
Amplitude flatness: (%)
Frequency:
20 Hz
1.25
400 Hz to 1 MHz 0.25
2 MHz
0.50
3 MHz
0.75
10 MHz
1.25
Range: -1.0 V dc: Accuracy: 0.25%
Hewlett Packard, Model 3458A (3458A)
CALIBRATION PROCESS
6. Preliminary Instructions
a. The instructions outlined in paragraphs 6 and 7 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
c. Unless otherwise specified, verify the results of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in TM 11-6625-1541-15.
d. Unless otherwise specified, all controls and control settings refer to the TI.
