R 500 REF, RCZ 500 REF0 pages

RCZ 500 REF, R 500 REF
Reference Impulse Dividers

Reference dividers are used for
comparative measurements for the
calibration of measuring systems.

Design

Reference dividers type RCZ are designed
for the calibration of voltage dividers for
AC, DC, full and tail chopped impulse
voltages. Of course they can be used for
normal measurements also.

The active part of the high voltage unit of dividers type
RCZ consists of one oil-filled capacitor that is housed in
a cylinder made from glass fibre enforced epoxy resin.
A series damping resistance is inserted between the
capacitor elements of the unit and acts as distributed
internal resistive element. A further resistor is
arranged in parallel with these RC elements.

Reference dividers type R are designed for
the calibration of voltage dividers for full
and front-chopped lightning impulse
voltages. Also R dividers can be used for
normal measurements.

The active part of the high-voltage unit in the R 500
REF forms a low-inductance resistor consisting of CrNi
wire wound on a core that is housed also in a glass
fibre enforced epoxy resin cylinder.
The reference divider type R is equipped with a special
HV electrode to guarantee corona-free operation.

Reference dividers by Haefely meet all
requirements of IEC 60060-2 (1994), in
particular those with respect to measuring
accuracy and step response.

The secondary unit consists of a damping resistor of
low inductance and for the divider type RCZ an
additional capacitor both arranged in a coaxial design.
The unit is fixed at the bottom of the divider and can
easily be disassembled.
The reference divider is erected on a four-arm base
equipped with castors. It is designed for indoor
design.

Reference dividers RCZ500REF and R500REF

Subject to change without notice.

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