PST-100 Earth Terminal
The PST-100 has been tested and verified by an authorised, independent
third party as meeting the requirements of IEC 61010:2010 - Safety
requirements for electrical equipment for measurement, control, and
laboratory use.
The construction methods employed throughout comply with double
insulation. The earth terminal located on the handle is a functional earth
terminal, NOT a Protective Conductor Terminal as defined by IEC61010
and is intended as a high voltage return point during the operation
of
the
PST-100. This arrangement also aids suppression of possible EMC
interference.
Therefore when conducting an electrical safety test (Portable Appliance
Test) to the PST-100 it should be considered a class 2 appliance and
tested accordingly.
Symbol definitions – IEC61010:2010
Functional Earth (ground) Terminal
Terminal by which electrical connection is made directly to
a point of a measuring or control circuit or to a screening
part and which is intended to be earthed for any functional
purpose other than safety.
Double Insulation
Insulation comprising both basic insulation and supplementary
insulation.
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