TB 9-6625-1976-24
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)
Fluke Model 5790A
AC MEASUREMENT STD
Range: 1 to 1000V
(13534003)
(MEASUREMENT STD)
Accuracy: 0.0055% ( 0.01%)
AUDIO ANALYZER
Range: 20 Hz to 50 kHz
Boonton, Model 1121 (1121)
Accuracy: Measure less than .041% distortion
CALIBRATOR 1
Fluke, Model 5720A (5720A)
Ac voltage:
(p/o MIS-35947); w amplifier,
Range: 1.0 to 1000 V
Fluke 5725A/AR (5725A/AR)
Frequency: 20 Hz to 1 MHz
Accuracy: .03 to .31%
(depending on voltage and frequency)
Fluke, Model PM6681/656
FREQUENCY COUNTER
Range: 49.4 Hz to 1.033 MHz
0.25%
(PM6681/656)
Accuracy:
Agilent, Model 3458A (3458A)
Ac voltage:
Range: 100 V to 700 V ac
Accuracy: (Used as null meter)
Dc voltage:
Range: 0 to 200 V dc
Accuracy: 0.017%
ESI, Model DT72A (7915908)
RATIO TRANSFORMER
Range: 0 to 1.000000
Frequency: 1 kHz
Accuracy: 0.0075%
RESISTANCE STANDARD
Range: 20 to 200
Biddle-Gray, Model 71-631
(7910328)
Fluke, Model 8922A/AA
TRUE RMS VOLTMETER
Range: 0.001 to 11 V
(8922A/AA)
Frequency: 1.0520 MHz
2.5%
Accuracy:
1Transfer level requirement only.
CALIBRATION PROCESS FOR AC CALIBRATOR, FLUKE, MODEL 5200A
6. Preliminary Instructions
a. The instruction 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 result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.