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Ensure that the angle between the torque wrench and the other wrench (used to support the connector or cable) is less than 90°
before applying force.
Carefully grip the handle end of the torque wrench, and apply force in the direction vertical to the handle to reach the break point of
the wrench.
Fig. 3.7 Use of Torque Wrench
6
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Operation and storage of connectors
1) Connectors should be protected with covers if not in use.
2) Do not place various connectors, air lines and standard calibrators in one box in a messy manner. This is one of common causes of
connector damage.
3) Keep the connectors and analyzer at the same temperature. Hold and clean connectors with compressed air to greatly increase the
temperature. Do not calibrate the connectors until the temperature is stable.
4) Do not connect the joint planes of connectors. The skin oil and dust particles cannot be easily removed from joint planes.
5) Do not place the contact surfaces of connectors down to the hard table. Any contact with solid surfaces may cause damage to the
electric plating and joint planes of connectors.
6) Wear the anti-static wrist band and operate the instrument on the grounded conductive workbench mat to protect the analyzer and
connectors from the influence of static release.
7
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Use of adapter
If the type of the measurement port of the analyzer is not applicable to the applied connector, use the adapter in measurement
connection. In addition, it is a good choice to use an adapter even if the connector type of the measurement port of the analyzer is the
same as that of the port of the tested device. The measurement port can be protected in these two cases, to prolong the service life and
reduce the maintenance costs. Carefully check and clean the adapter before connection to the measurement port of the analyzer. Use
the high-quality adapter to reduce the influence of mismatch on the measurement accuracy.
8
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Joint plane of connector
One important concept of microwave measurement is a reference surface, which is the benchmark surface for all measurements of the
analyzer. The reference plane is defined as a joint plane of the measurement port and standard calibrator in the calibration process.
Good connection and calibration depends on the complete and smooth contact at all points of the joint planes of connectors.
