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9.3 Monitor earthing
To protect patients and medical staffs, the portable monitor must has its cover connected with the
earth; for such reason the monitor is equipped with a dismountable 3-line cable, which should be
plugged into a matching 3-line socket and further connected with the earth through the ground line
of the power supply cable. In case of no 3-line socket, please consult with the electricity staffs of
your hospital.
Warning
Don’t connect the 3-line cable of this monitor with a 2-line socket.
Connect the ground line with the equal-potential earthing terminal of the monitor. If unaware
whether a certain equipment combination is risky in terms of equipment specification, for example,
whether gathered leakage current is dangerous, users should consult with relevant manufacturers
or specialists, so as to make sure the necessary safety of the relevant equipment will not be
damaged by the proposed combination.
9.4 Equal-potential earthing
First level protection on the equipment has been contained in the house protective earthing system
through earthing of the power socket. For heart or head internal check, this portable monitor must
be individually connected with an equal-potential earthing system. One side of the equal-potential
cable (potential balanced cable) should be connected with the equal-potential earthing terminal on
the rear panel of the monitor, while the other side connected with one interface of the
equal-potential system. In case of any damage to the protective earthing system, the
equal-potential earthing system will take the safety function of protecting the earthing cable. Heart
or head checks should be conducted within houses for medical use installed with protective
earthing systems. Before each time of use, users should check whether the equipment is under
good work status and pay attention the cable connecting patients and the equipment must be free
from electrolytes pollution.
Warning
If the protective earthing system is instable, the monitor should be applied with internal
power supply.
9.5 Condensation
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