2 Performance Tests
64 Keysight E4416A/E4417A Power Meters Service Guide
10 Preset the instrument:
– Press
then on the power meter.
– Set the Keysight 432A RANGE switch to Coarse Zero.
– Adjust the front panel Coarse Zero control to obtain a zero meter indication.
11 Zero the Keysight 432A test power meter:
– Fine zero the Keysight 432A on the most sensitive range.
– Set the RANGE switch to 1 mW.
12 Set the DVM to measure microvolts.
13 Connect the positive and negative input leads to the Vcomp and VRF
connectors respectively, on the rear panel of the Keysight 432A.
14 Observe the reading on the DVM:
If less than 400 μV, go to step 15. If 400 μV or more, press and hold the
Keysight 432A Fine Zero switch and adjust the Coarse Zero control so that the
DVM indicates 200 μV or less. Release the Fine Zero switch and go to step 15.
15 Round off the DVM value to two decimal places. Record this value as V
o
:
–V
o
___________
16 Turn the power reference on:
Press
,
17 Round off the DVM reading to two decimal places. Record this value as V1:
–V
1
___________
18 Turn the power reference off:
Press
,
19 Disconnect the DVM negative input lead from the VRF connector on the
Keysight 432A. Reconnect it to the Keysight 432A chassis ground.
20 Observe the reading on the DVM. Record this value as Vcomp
–V
comp
___________
To Next Page
Loading...
Need help?
General
