TB 9-6625-2138-35
usage accessories, issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure.
Common name
Minimum use specifications
Manufacturer and model (part number)
AUTOTRANSFORMER
Range: 105 to 125 V ac
General Radio, Model W10MT3AS3 or
Ridge, Model 9020F (7910809)
Accuracy: 1%
DIFFERENTIAL
Range: -23 to +15.5 V dc
John Fluke, Model 887AB/AN (887AB/AN)
Accuracy: 0.08%
FREQUENCY COUNTER
Range: 74 to 9603 Hz
Hewlett-Packard, Model AN/USM459B
(AN/USM459B)
Accuracy: 0.007%
Range: -12 to +12 V peak
Tektronix, Type 2465BOPT46
(2465BOPT46)
Accuracy: 3%
PULSE GENERATOR
Range: 0 to 1 kHz, 5 V peak
LeCroy, Model 9210 (9210) w/plug-ins,
Duty cycle: Adjustable to 40%
LeCroy, Models 9211 (9211) and 9215
(9215)
6. Preliminary Instructions
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.
perform the power supply check prior to making adjustments. After adjustments are
made, repeat paragraphs 8 through 12. Do not perform power supply check if all
other parameters are within tolerance.
e. Unless otherwise specified, all controls and control settings refer to the TI.
