Specifications

ZVx Selftest
1043.0009.50 4.1 E-3
4 Maintenance and Troubleshooting
4.1 Maintenance
4.1.1 Mechanical Maintenance
The network analyzer does not require any mechanical maintenance. The front panel should be cleaned
occasionally using a soft humid cloth.
4.1.2 Electrical Maintenance
4.1.2.1 Testing the Generator Level
It is recommended to check the accuracy according to section 5 every two years. If tolerances are
exceeded, new recording of the detector characteristics or the level correction data is required (see
Service Manual).
4.1.2.2 Testing the Receiver Accuracy
It is recommended to check the accuracy according to section 5 every two years. If tolerances are
exceeded, new recording of the correction data is required (see Service Manual).
4.1.2.3 Testing the Frequency Accuracy
The accuracy of the reference oscillator is to be checked at least every two years according to section 5
(or even earlier depending on the requirements placed on the frequency accuracy of the instrument). If
the instrument is permanently operated from an external reference, this test may be omitted.
Test equipment:
Frequency counter, accuracy 1*10
-9
Test setup:
½ Connect frequency counter to the connector REF OUT
at the rear of the instrument.
Setting at the network analyzer:
SETUP FREQUENCY REF INT
4.1.2.4 Verifying the Measuring Accuracy
It is recommended to check the system accuracy of the instrument according to section 5 every 12
months using a Verification Kit.