TB 9-4920-454-35
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
Range: 0 mV to 10 V dc
Fluke, Model 5720A (5700A/EP)
Accuracy: .003%
(p/o MIS-35947)
Range: 20 mV, 70 Hz
Accuracy: 3.0%
Range: 103 ms to 15.873 ms
Fluke, Model PM6681/656
Accuracy: .033%
(PM6681/656)
Range: 0 to 1000 V dc
Hewlett-Packard, Model 3458A
Accuracy: .07%
(3458A)
Range: 1 V ac
Tektronix, Type SG505
(MIS-30526/11)
Accuracy: .25%
Tektronix, Type 2465B-46
Range: 14 to 100 s
(2465B-46)
Accuracy: 3.0%
Range: 4.21 Ω to 22 Ω
Biddle Gray, Model 71-650
(71-650)
Accuracy: 0.03%
Range: 10 kΩ and 100 kΩ
Accuracy: +2.5%
THERMOMETER
Range: 70 to 85 oF
Azonix, Model A1012 (MIS38958)
Accuracy: 1.0
oF
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
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 the manufacturer's manual and TM 55-4920-401-
13&P for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.