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doble M4200c User Manual

doble M4200c
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M4000 Insulation Analyzer User Guide
72A-1230 Rev. F 4-9
July 22, 2005
Overview of Individual Replaceable Components
An overview of each of the instrument’s replaceable components is provided
below. While a few other M4100 components exist, they are not
field-replaceable.
Front Panel Assembly
03D-1056
The Front Panel Assembly includes all front
panel-mounted components, including the
Guard Front Panel Board and the I/O
Protection Board.
Guard Front Panel Board
04D-0536
The Guard Front Panel Board provides
interconnections for the low voltage test
leads and the Guard Mode Switch Board.
Amplifier Assembly
03D-1055-01
The Amplifier Assembly converts the AC
input signal – whether synchronous with the
power system frequency or derived from a
crystal oscillator – to AC test stimulus
power. It drives a 10 kV step-up transformer
through safety relay contacts.
Guard Mode Switch Board
04D-0551
The Guard Mode Switch Board consists of
an array of semiconductor (FET) switches
that routes the measured specimen and
reference currents to the Guard Board, in
accordance with the desired test mode.
Timing Board
04D-0533
The Timing Board serves two main
purposes. First, it provides a high speed
clock for A/D conversion. The clock is
either synchronized to a selected test
frequency, generally between 40 and 70 Hz,
or synchronized to the line frequency.
Second, this board provides a frequency
counter used to measure the test frequency.
DSP/CPU Board
04D-0520
The DSP/CPU Board serves as the M4100
system controller and as a digital signal
processor for high speed algorithmic
processing of analog signals.

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doble M4200c Specifications

General IconGeneral
Branddoble
ModelM4200c
CategoryMeasuring Instruments
LanguageEnglish

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