bk ultrasound Flex Focus 1202, Руководство пользователя

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16 Chapter 2 December 2015 Flex Focus 1202 User Guide (BB1756-Q)
Electrical Safety
ESD Training
The ESD Symbol
Anyone using the equipment must be able to recognize the ESD symbol and
understand how to take the necessary precautionary procedures, as described in the
caution below.
Interference
The Flex Focus 1202 Ultrasound System and the optional battery charger station
(UA1247) are suitable for use in all establishments, other than domestic
establishments and those directly connected to the public low-voltage power supply
network that supplies buildings used for domestic purposes.
Do not use a
power strip
WARNING ES-w1
Do not plug the equipment into an ordinary power strip. If the ground connection fails,
this is dangerous because
•
the total leakage current for all the connected equipment can exceed the limits
specified in EN/IEC 60601-1
(Part 1: General requirements for safety).
•
the impedance of the ground connection could exceed the limits specified in EN/IEC
60601-1.
Leakage
current
WARNING ES-w2
When the equipment is used with 230V (and you believe the leakage current would be
within the UL limit if you were using 120V), power to the equipment must come from an
installation or supply unit with a center-tapped, 240V single-phase circuit. This will make
sure that chassis leakage current during single fault condition fulfills the requirements
specified in UL60601-1 [4] (limit of 300μA). If power is not supplied in the way specified,
the leakage current can be as high as 500μA, the limit specified in EN/IEC 60601-1 [2]
(Part
1: General requirements for safety).
Electrical
shock
WARNING ES-w3
You risk electrical shock if you try to get inside the equipment (other than opening a cover
to access connectors described in the user guide). Do not allow anyone but qualified
service personnel to service the equipment.
ESD
Caution ESD-c1
Do not touch pins in connectors that have the ESD symbol . Do not connect
anything to them unless you follow these ESD (electrostatic discharge) precautionary
procedures:
•
Discharge your body to ground before you touch the pins with your hand or a tool. For
example, touch an unpainted metal part of the system cover.
•
You can use a wrist strap connected to the additional protective ground or potential
equalization terminal on the system if that is more convenient.