
Model 428B
13
Table 5-1. Recommended Test Equipment.
EQUIPMENT
REQUIRED CHARACTERISTICS
USE
RECOMMENDED MODEL
Meter Calibrator
± 0.2% of reading
±0.1% FS
Range Check
Meter Tracking
Output Calibration
AC Overload
-hp- Model 69208
AC/DC Meter Calibrator
Function Generator
DC to 400 Hz
> 10 mA output
Frequency Response
AC Overload
-hp- Model 3310A
Function Generator
Oscilloscope
DC to 40 kHz
100 mV/cm ± 3%
Frequency Response
AC Overload
Troubleshooting
-hp- Model 130C
200µV/cm Oscilloscope
Resistor
50 Ohms ± 1%
Frequency Response
AC Overload
-hp- Part No. 0698-3128
0698-8155
DC Voltmeter
± .25% at 730 mV
Output Calibration
-hp- Model 3430A
3469B
DC Digital Voltmeter
AC Voltmeter
Resolves 2 mV
Battery operated
Noise Check
-hp- Model 4038
AC Portable Voltmeter
Resistor
1 kilohm ± 1%
Output Calibration
Noise Check
-hp- Part No. 11034-82601
Volt-Ohmmeter
Input impedance:
≥
1 megohm
Troubleshooting
-hp- Model 427 A
Multi-Function Meter
Oscilloscope Probe
Input Impedance: 10 megohms
All Troubleshooting
-hp- Model 10001A
Resistive Divider Probes
Counter
Reads 40 kHz ± 20 Hz
Alignment
Troubleshooting
-hp- Model 5321 B
Capacitor
.0082 µF ± 10% 300 Vdc
Alignment
——————————
Resistor
390 Ohms ± 5% 1/2 W
Alignment
——————————
Содержание 428B
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Страница 27: ...Model 428B Figure 5 9 Detailed Troubleshooting Tree 20 ...
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Страница 35: ...Model 428B Figure 6 1 Parts Breakdown current probe 28 ...
Страница 37: ...Model 428B Figure 7 1 Block Diagram 30 ...
Страница 39: ...Model 428B Figure 7 5 Power Supply 32 ...
Страница 40: ...Model 428B Figure 7 6 Block Diagram 33 ...
Страница 44: ...Model 428B Figure A 1 428B Side Views 37 ...
Страница 45: ...Model 428B Figure A 2 Backdating Schematics for 428B 38 ...
Страница 46: ...Model 428B Figure A 3 Backdating Schematics for 428B 39 ...
Страница 52: ...Model 428B 00428 90003 PRINTED IN U S A 45 ...