2. Safety Summary
CAUTION: Failure to properly ground the cable/device under test prior to
connecting it to the front panel connector, either directly or indirectly, could
result in damage to the sampling electronics and will void the Warranty.
2.6. Fuses
There are no external fuses or breakers accessible to the user. However, there are two internal
automatic thermal breakers that disconnect the power from the charger and battery to the rest of
the system. These thermal breakers make an audible click when they actuate, and the CT100B
turns off. One of the circuit breakers automatically resets after time. When this breaker cools, the
CT100B can be restarted, but the CT100B should be serviced by qualified personnel. There is also
an internal breaker on the power board. If tripped, this breaker must be reset manually and the
instrument should be serviced by qualified personnel.
CAUTION: If the thermal breakers trip, the instrument should be evaluated
by qualified service personnel for maintenance.
2.7. AC Power Source
The CT100B is intended to operate only from a 120 VAC or 240 VAC RMS power source using the
CE- and UL-approved 24 VDC external power supply/adapter (pn: CT100-AC-PS) provided with
the instrument.
WARNING: Only use the power cord supplied with the instrument, and
then only if the cord is in good condition. Refer all maintenance regarding
the power supply or power cord to qualified service personnel.
CAUTION: Use of any power source other than the supplied external power
adapter(s) could damage the instrument and may void the Warranty. Use
only MOHR-approved accessories.
WARNING: To reduce the risk of electric shock, disconnect all external
cables before connecting the 24 VDC external power supply.
CT100B TDR Cable Analyzers Operator’s Manual 5
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