Maintenance, storage and disposal
R&S
®
ZNA
1772User Manual 1178.6462.02 ─ 29
11 Maintenance, storage and disposal
The product does not require regular maintenance. It only requires occasional clean-
ing. It is however advisable to check the nominal data from time to time.
11.1 Replacing fuses (R&S ZNA67EXT only)
The frequency converter is protected by a fuse of type IEC60127 T1 L/H, see "Fuse
holder" on page 87.
The diplexer is protected by a fuse of type IEC127-F250L, see "Fuse panel"
on page 92.
To replace a fuse, open the fuse holder by slightly turning the lid counter-clockwise,
preferably using a small coin. Replacement fuses are provided with the instrument.
11.2 Recalibration and repair
For accurate measurements, the product must be recalibrated by Rohde & Schwarz
service after the calibration interval in the data sheet has elapsed.
R&S ZNA67EXT
Calibration involves all components of the test system, including the R&S ZNA67 net-
work analyzer and all external test sets.
The R&S ZNA67EXT has to be considered a system. For recalibration and repair, all
shipped components and cables must be sent to the Rohde & Schwarz service. See
Table 3-7.
●
Observe the label on the rear panel of the R&S ZNA67, to ensure you include the
correct test sets in your shipment. See "System component information"
on page 93.
●
Also include additional cable sets ordered with the system. See "Cable sets
(optional)" on page 98.
11.3 Cleaning
How to clean the product is described in "Cleaning the product" on page 17.
Do not use any liquids for cleaning. Cleaning agents, solvents, acids and bases can
damage the front panel labeling, plastic parts and display.
Cleaning
To Next Page
Loading...
