OMICRON 21
MPD 800 measurement system
The IN input is connected to the bottom end connection of the coupling capacitor or test object.
► Do not exceed 7 A
RMS
reactive current at the IN input.
► Do not connect the IN input to a voltage source.
For low frequencies below 1 kHz, the input impedance is in the < 100 mΩ range. For high frequencies
above 1 kHz, the termination impedance is equivalent to the termination impedance of 50 Ω connected
to the PD output of CPL2. Special versions of CPL2 for NEMA and CISPR measurements transform a
50 Ω impedance connected to the PD output to 150 Ω or 300 Ω respectively.
The RTN/OUT connector of CPL2 may be connected to the current input of an additional third party
measuring device. The voltage at this point must not exceed 140V
RMS
respective to the GND connector.
The external measuring device must be able to handle the current fed into the CPL2 IN input.
DANGER
Death or severe injury caused by high voltage or current
A failure or an open RTN/OUT connector of CPL2 may result in residual charges at the
asset, even with high-voltage side grounded.
► Always observe the five safety rules (see 1.2.2 "Safety rules" on page 6) before
connecting or integrating CPL2 into a system.
► Short circuit the RTN/OUT connector to the GND connector if not used.
CAUTION
Minor or moderate injury caused by voltage or current possible
If the ratings are violated, damage or loss of precision of the equipment might be the
consequence.
► Observe the maximum current and power ratings of the measurement input.
► Never connect a voltage source directly to the IN input.
WARNING
Death or severe injury caused by high voltage or current possible
CPL2 is not intended to be used for measurements which are connected directly to
mains circuits (IEC61010-2-030).
► Make sure to connect CPL2 to the test setup using appropriate rated accessories
because CPL2 is not able to handle power frequency fault currents.
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