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Omicron Lab Bode 100 Schnellstartanleitung Seite 20

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Bode 100 Quick Start Guide
4.5
Using external probes & injection transformers
External probes
You can use external probes with Bode 100 that do not require a proprietary interface but offer a
standard coaxial connector. The use of external probes can have the following advantages:
Reduction of the capacitive loading added by connecting the input channels of Bode 100 to your
circuit.
Easier in-circuit probing possibilities when no coaxial connectors are available on the DUT.
Being able to measure currents by using an active current probe or a wideband current monitor.
Protection of Bode 100 from hazardous voltages if isolating probes are used.
When using a passive 10:1 voltage probe, the use of a 1 MΩ 10:1 probe is recommended. A
1 MΩ probe features the divider in the probe-tip which lowers the DC voltage as well when
used with Bode 100. A standard 10 MΩ oscilloscope probe will not divide the DC voltage
when used with the AC-coupled inputs of Bode 100. Furthermore, a 1 MΩ probe provides a
lower impedance path that reduces channel to channel crosstalk and noise. OMICRON Lab
recommends using the PML-111O passive probe from PMK for the use with Bode 100.
WARNING
Death or severe injury due to hazardous voltage levels possible.
Connecting the ground of a probe or cable to a hazardous live potential will cause this
potential to be present at touchable parts of the Bode 100 because all grounding is
internally connected.
► Ensure that voltage and current probes used with the Bode 100 are properly
grounded in accordance with their manufacturer's guidelines.
► When working with voltage or current probes, always connect the ground terminal
of the Bode 100 to the ground terminal in the laboratory, using a solid connection
of at least 3.6 mm² cross-section and not longer than 10 m.
NOTICE
Risk of permanent damage of the device.
The inputs of the Bode 100 are AC coupled with a maximum allowed DC voltage of 50 V DC. A
standard 10:1 passive probe will not divide the DC voltage when connected to the Bode 100.
► Use suitable probes when measuring at DC levels above 50 V.
► Do not use standard 10:1 oscilloscope probes with the Bode 100.
20
OMICRON Lab

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Diese Anleitung auch für:

Bode 500