8
N7026A 150 MHz AC/DC High Sensitivity Current Probes User’s Guide
N7026A Probe
Component
Description
Sensor Head
The sensor head clamps the conductor being measured, detects the current, and carries
out the current measurement. It is a precision assembly including a molded component, a
ferrite core, and a Hall effect element.
The sensor head may be damaged if subjected to sudden changes in
ambient temperature, or mechanical strain or shock. Care should be
exercised when handling the sensor head.
Current Direction Indication
Indicates the direction of the current flow through the conductor under test.
UNLOCK Indication
When you pull the probe’s opening lever to open the sensor head, the UNLOCK indication
is displayed on the sensor head. It means that the sensor head is currently in the unlocked
/ open state.
When you slide the opening lever towards the front of the sensor head and the UNLOCK
indication disappears, it means that the sensor head is currently in the locked / closed
state.
Opening Lever
Operating lever for opening the sensor head. Always use this lever to open the sensor
head to avoid damaging the open-close mechanism of the sensor head.
Output Connector
The pod with the AutoProbe interface to connect the probe to one of the channels of a
compatible oscilloscope.
De-Gauss Button
The button to demagnetize the core if it has been magnetized by switching the power on
and off, or by an excessive input. Always carry out demagnetization before making
measurements. The probe should be connected to the oscilloscope for the demagnetizing
process. This process takes about one second. During demagnetizing, a demagnetizing
waveform is output.
Refer to “
“Performing Demagnetization and Zero Offset"
on page 26" to know more.
External Power Supply Adapter
The power supply adapter (part number 0950-5831) is included with the probe to power
the probe using an external DC supply.
Refer to the topic
“Powering the Probe"
on page 17 to know more.
CAUTION
