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Zeroing the N432A
Zeroing adjusts the N432A for a zero power reading with no power applied to the
thermistor sensor. During zeroing (which takes approximately
25 seconds), the wait symbol is displayed.
Figure 2-37
Upon each thermistor sensor connection, you will be prompted for bridge
NOTE
resistance selection or reconfirmation, followed by confirmation to proceed with
zeroing.
When to perform zeroing?
Zeroing of the N432A is recommended:
– when a 5
– when connection to the thermistor sensor is established.
– when you change the thermistor sensor.
– every 24 hours.
– prior to measuring low-level signals.
To zero the N432A:
Press
sensor has been disconnected from the RF source. Once
zeroing will begin. If
menu.
Keysight N432A User's Guide
Zeroing pop-up message
o
C change in temperature occurs.
>
. You will be prompted to confirm whether the thermistor
Zero
is pressed, the screen will revert to the Zero/Cal
Cancel
is pressed,
Confirm
2
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