Four-Terminal Lead Set, Part No. 1EV1505
600mm screened cable terminated in four crocodile clips at the component end. Not
recommended for use above 30 kHz.
SMD Tweezers, Part No. 1EVA40120
2-terminal component tweezers for use with surface-mount or leadless components. A cam is
incorporated to set the jaw spacing to the width of the component to be tested so that O/C trim
will trim out the residual capacitance of the tweezers.
Four-Terminal Component Fixture, Part No. 1EV1006
Remote fixture with sliding jaws to accommodate both axial and radial leaded components.
This fixture will give the greatest accuracy for 4-terminal measurements of conventional
components. The jaws can be set to the component width for trimming and component
measurements can be performed without moving the measuring leads: stable lead positioning is
important when measuring low value inductors.
1100 Protection Unit, Part No. 1J1100
The standard protection built into the 6375 Series prevents damage to the instrument when
charged capacitors are connected to the measurement terminals with energy levels up to 0.25J
and a maximum voltage of 500V.
The 1100 Protection Unit fits between the measurement terminals and the DUT to raise the
maximum energy level to 25J and the voltage to 1000V.
Other Test Leads
Other test leads can be used with the meter, provided that they conform to the following
connection protocol.
The four front-panel BNC sockets are for screened cable connections to the unknown
component or test fixture: use good quality 50ā¦ screened cable, e.g. RG174A/U; cable length
should not exceed 2m. In each case, the outer connection provides the screening and the inner is
the active connection. The outer pair of panel connectors carry the signal source (YELLOW)
and the current return (BROWN) signals. The innermost pair serve to monitor the actual voltage
at the device under test (DUT), excluding any voltage drops arising in the source and return
leads. The common ground point should be connected to component guards and/or screens for
in-circuit measurements.
The outers of the four BNC sockets are not directly connected inside the meter, but it is
important that the GROUNDS are linked OUTSIDE. For accurate high frequency operation, the
leads must be screened and the screens connected close to the DUT.
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