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HBT3000 series user manual
Copyright © Qingdao Hantek Electronic Co., LTD
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Figure 5-6 Test exception
⚫
When the resistance of the test object is greater than the range, [OverLoad] 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.
Figure 5-7 Measure overflow
In addition, the following situations can also cause testing anomalies.
⚫
When the probe is disconnected
⚫
When the circuit protection fuse is disconnected
⚫
When the contact resistance is high or the wiring resistance is high due to
probe wear, dirt, etc
Note:
If the contact resistance or wiring resistance is large, the measurement error
will increase.
