Appendix
EN
HBT3000 series user manual
Copyright © Qingdao Hantek Electronic Co., LTD
66
=(0
×
R
SEL
)+(0
×
R
SEH
)
=0(V)
So, through the above wiring method, the voltage between SENSE-H and SENSE-L
can be correctly maintained at 0V, so it can be adjusted to zero appropriately.
11.3.2
Zero adjustment using clamp type test line
To use a clamp type test wire for zero adjustment, the red and black probes need
to be short circuited. Please connect the test wire as follows:
Figure 11-3 Zero adjustment of clamp type test line
11.3.3
Zero adjustment using needle shaped test lines
To use a needle type test wire to zero, short the internal pin wiring of the red and
black probe. Please connect the test wire as follows:
Figure 11-4 Zero adjustment of needle shaped test line