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SMA Connectors
Final Connection Using a Torque Wrench
Using a torque wrench guarantees the connection is not too tight, preventing
possible connector damage. It also guarantees that all connections are equally
tight. Prevent the rotation of anything other than the connector nut that you are
tightening.
Use a Keysight 8710-1582, 0.56N-m (5 lb-in) 5/16 inch break-over torque
wrench to make a final connection. A Torque wrench is supplied as part of the
PD1500A Accessory Kit.
.
Figure 6
1 Turn the connector nut. This may be possible to do by hand if one of the
2 Position both wrenches within 90 degrees of each other before applying force.
Figure 7
92
Keysight 8710-1582 SMA Torque Wrench
The Keysight 8710-1582, 5 lb-in Torque Wrench is a precision
instrument and should be treated and maintained like a measuring
instrument.
connectors is fixed (as on a test port). However, it is recommended that you
use a second open-end wrench to keep the body of the device from turning.
Wrenches opposing each other (greater than 90 degrees apart) will cause a
lifting action that can misalign and stress the connections of the device
involved. This is especially true when several devices are connected together.
Refer to the following figure.
Hold this
wrench
steady
Device
Correct method
(reduces lift on connection)
Wrench Positions
Lift
Incorrect method
(too much lift on connection)
Keysight PD1000A Power Device Measurement System
Device
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