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Copyright © Qingdao Hantek Electronic Co., LTD
HBT3000 series user manual
23
Figure 5-4 Measurement display interface
5.2
Zeroing
To eliminate errors caused by the bias voltage of the instrument itself or the
measurement environment, please perform zero adjustment before measurement.
The measurement accuracy is specified after zeroing. Zero adjustment can also be
performed on the 0ADJ terminal of EXT I/O.
Click on the
[0 ADJ]
key, or click on
[Utility] ->
Cal
in sequence. After entering the
password, click on the
[0 ADJ]
soft key to execute zero adjustment. After
successful zero adjustment, the interface will pop up as shown in the following
figure. If zero adjustment fails, please check if the short circuit is correct, and then
perform zero adjustment until successful.
Figure 5-5 Zeroing
5.3
Test abnormal output
⚫
When the test line is not connected to the test object, [------] is displayed on
the screen, as shown in the following figure. In addition, an abnormal test
signal (ERR) will be output from the EXTI/O terminal.
