HP 4262A User Manual

Model 4262A Section IV
Paragraph 4-9
PERFORMANCE TESTS
4-9. MEASUREMENT FREQUENCY TEST.
DESCRIPTION:
This test verifies the accuracy of the measurement frequencies that are applied to an
unknown sample connected to the 4262A.
SPECIFICATIONS:
Measurement Frequencies: 120Hz £+ 3%
1kHz + 3%
10kHz + 3%
Frequency Counter
E \
\DDDD 0000 6 & @/
—
e
Figure 4-1. Measurement Frequency Test Setup.
EQUIPMENT:
Frequency Counter............... HP 5300A/w 5306A
PROCEDURE:
1. Connect frequency counter to the 4262A UNKNOWN terminals as shoWn in
Figure 4-1.
2. Set range of frequency counter as appropriate for measuring 4262A test frequen-
cies of 120Hz, 1kHz and 10kHz.
3. Read display output of frequency counter when 4262A TEST SIGNAL is set to
120Hz, 1kHz or 10kHz.
4. Frequency readouts must be within the following limits (record measured fre-
quency in table below as the data is used in paragraph 4-12):
TEST SIGNAL Test Limits Counter Readout
120Hz 116.4- 123.6Hz
1kHz 970 - 1030 Hz
10kHz 9700 -10300 Hz
Note
Test limits in table above do not take into ac-
count reading error caused by measurement
error in test equipment.
Note
If this test fails, refer to Service Sheet 11 in
Section VIII for troubleshooting.
4-7

HP 4262A Specifications

General

Brand	HP
Model	4262A
Category	Measuring Instruments
Language	English