Step 3 - Power Up; Replacing Batteries - Keysight N7040A User Manual

Step 3 - Power Up

You can power up the N7040A/41A/42A probes by using:
•
•
When operating with the external power supply adapter, refer to
Characteristics,"

Replacing Batteries

The Status Indicator LED adjacent to the Power button on the probe glows Red indicating low
battery. To replace the battery, switch off the probe, remove the battery cover, and replace with
standard AA alkaline batteries.
N7040A/1A/2A Rogowski AC Current Probes User Guide
Before applying power, ensure that all connections to the probe have been
CAUTION
made. Also, verify that all safety precautions have been taken.
External DC power supply - The DC voltage must be 12V (±10%).
The external power supply adapter (Keysight part number - 0950-5831)
CAUTION
provided with the probe must be used.
Batteries - Four standard 1.5V alkaline AA batteries provided with the probe.
When the external DC supply is present, the batteries are inoperative and
NOTE
the external DC voltage powers the probe.
It is recommended that the circuit under test is de-energised or the probe is
NOTE
removed from the test circuit before replacing the batteries.
Overview
Table 2, "External DC Power Supply
3
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