R&S NRP-Z27 Operating Manual page 9

R&S NRP-Z27/-Z37
1 Putting into Operation
Follow the instructions below precisely to prevent damage to the power sensor –
NOTICE
particularly when you are putting it into operation for the first time.
Unpacking the power sensor
Remove the power sensor from its packing and check that nothing is missing. Inspect all items for
damage. If you discover any damage, inform the carrier responsible immediately and keep the packing
to support any claims for compensation.
It is also best to use the original packing if the power sensor is to be shipped or transported at a later
date.
The power sensor contains components which can be destroyed by electrostatic
discharges. To prevent this from happening, never touch the inner conductor of the RF
connector and never open the power sensor.
Connecting the sensor
NOTICE To prevent EMI, the power sensor module must never be operated with its enclosure
wholly or partially removed. Only use shielded cables that meet the relevant EMC
standards.
Never exceed the maximum RF power limit. Even brief overloads can destroy the
integrated power sensor.
To prevent erroneous measurements, always terminate the RF output of the power sensor
module (at the cable end) with a matched load or matched measuring instrument input.
In many cases, the RF connector only requires manual tightening. However, for maximal
measurement accuracy, the RF connector must be tightened using a torque wrench with a
nominal torque of 1.36 Nm (12" lbs.) for the N connector of the R&S NRP-Z27, or 0.9 Nm
(8" lbs.) for the 3.5 mm connector of both power sensor modules.
1169.3870.12 1.1
Connecting the sensor
E-6