26 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Overview
Front Panel: Names and Functions of Parts
2-
9. UNKNOWN terminals
These are the UNKNOWN terminals used to connect a four-terminal pair test
fixture or test leads for measuring the device under test (DUT).
The maximum load the UNKNOWN terminals can withstand is 10 kg (nominal).
The test ports comply with Installation Category I of IEC 61010-1.
10. Front USB port
This port is used to save data in a USB memory.
Connector types: Universal Serial Bus (USB) Jack, Type A (four contact points),
Female.
Compliance Standards: USB 1.1
USB memory type
Use USB memory that is USB mass-storage-class compliant and formatted
with FAT16 or FAT32. For points to notice, refer to “USB memory notes” on
page 78.
Interface: USB 1.1
11. Ground terminal
Connected to the chassis of the E4981A.
When using a four-terminal pair test fixture or test leads with a stopper,
remove the stopper or the bumper of the E4981A.
Do not apply DC voltage or current to the UNKNOWN terminals. Applying
DC voltage or current may lead to device failure. Connect the
measurement sample (DUT) to the test port (or the test fixture, cables, etc.
connected to the test port) after the Capacitance meter has been
completely discharged.
Do not connect any device other than a USB memory to the USB port. We
do not support connections to the USB port of printers, devices with a
built-in HDD, or USB hubs. To print a screen, refer to “Saving a screenshot
into USB memory” on page 89.
Do not unplug the USB memory while the USB indicator is on.
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