TB 9-4935-364-24
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 the
calibration procedure.
Table 2. Minimum Specifications of Equipment Required
Minimum use
Manufacturer and model
Common name
specifications
(part number)
AUTOTRANSFORMER
Range: 105 to 125 V ac
Ridge, Model 9020A
Accuracy: 1%
(9020A),
Range: 9.8 to 1020 V dc
Hewlett Packard, Model 3458A
Accuracy: .5%
(3458A)
A
Biddle-Gray, Model 601147-1
Range: 50 k to 10 M
ccuracy: 0.5%
STANDARD No. 1
(7910328)
A
ICC, Model CR10M (8598965)
Range: 100 k to 10 M
ccuracy: 0.5%
STANDARD No. 2
A
ICC, Model CR100M (598966)
Range: 10 to 100 M
ccuracy: 0.5%
STANDARD No. 3
A
ICC, Model CR1000M
Range: 10 to 1000 M
ccuracy: 0.5%
STANDARD No. 4
(8579478)
A
Penn, Model 9A-5120-102 (MIS-
Range: 1 G
10412-3)
STANDARD No. 5
11
0.5% ( 1%)
ccuracy:
A
Penn, Model 9A-5120-103 (MIS-
Range: 10 G
0.5% ( 1%)
10412-4)
STANDARD No. 6
ccuracy: 110 G
1Procedure
limitation may exist, depending upon accuracy given on calibration certificate.
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 result 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 for this TI.
