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. The following peculiar accessories are also required for this
calibration: Special test cables supplied by the owner.
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model
Minimum use specifications
Wayne Kerr, Model 6425B
Range: 20 pf to 0.01 Pf
(METER, MULTIPLE SCALE)
Arco Electronics, Model SS-32
Range: 0.01 Pf
Beckman, Models CR10M
Range: 1 M: to 1 000 M:
(8598965), CR100M (8598966), and
Penn Airborne, Model 9A-5120-103
Range: 10 G:
Range: 35 pf to 1150 pf
General Radio, Type 1422D
Accuracy: r0.025% of measured
value on test report
1Characterized using capacitance/inductance measuring system (meter, multiple scale) and test report.
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
b. Items of equipment used in this procedure are referenced within the text by common
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 TO 33D2-3-119-1 for this TI.
d. Unless otherwise specified, all controls and control settings refer to TI.
7. Equipment Setup. Set ON-OFF power switch to ON (fig. 1) position and allow five
minutes for TI to warm-up and stabilize.
Ensure LO BAT is not displayed on digital readout.