Operating Information
2
N432A User’s Guide
69
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
Zeroing pop-up message
When to perform zeroing?
Zeroing of the N432A is recommended:
•
when a 5
o
C change in temperature occurs.
•
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
>
. You will be prompted to confirm whether the
thermistor sensor has been disconnected from the RF source. Once
is pressed, zeroing will begin. If
is pressed, the screen will revert
to the Zero/Cal menu.
N O T E
Upon each thermistor sensor connection, you will be prompted for bridge resistance
selection or reconfirmation, followed by confirmation to proceed with zeroing.
Zero
Confirm
Cancel
Summary of Contents for N432A
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Page 55: ...Operating Information 2 N432A User s Guide 33 4 Press to exit the channel setup screen ...
Page 90: ...2 Operating Information 68 N432A User s Guide Figure 2 36 Recall confirmation pop up dialog ...
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Page 152: ...4 Specifications and Characteristics 130 N432A User s Guide ...
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