12
potential of the device under test.
LD (Low Drive of current): the current flowing
through the device under test is sent to the
current measuring part of instrument.
HD and HS should be connected to one lead of
the device under test and LD and LS should be
connected to another lead.
TH2810B LCR meter
TH2618B capacitance meter
8
Trade mark of Tonghui
& model
TH2775B inductance meter
9
Keyboard
All the function statees of the instrument can
be selected and controlled through the
7-button keyboard (referring to §2.1 on
P2-1).
10
Sorting indication
to indicate the sorting result
11
Power ON/OFF
Power ON/OFF Switch. In ON position, all
operating voltages are applied to the
instrument. In OFF position, no operating
voltages are applied to the instrument.
Table 1-6. Front Panel Description