B-4
Audio indicator
Speaker
Gives off alarm tones and key tones; supports multi-level tone
modulation. The alarm tones comply with the requirements of
IEC60601-1-8.
Buzzer Gives off auxiliary audio alarm in case of speaker malfunction.
Connector
Network connector
A connector which supports connection with a PC to perform software
upgrade and connection with external medical and information device.
RS-232 connector
Connects to the external calibration device for calibrating pressure. An
external medical device can be connected via this connector to
communicate with the ventilator.
USB connector
Exports captured screen, conducts ventilator software upgrade,
configuration information export and history data (such as patient data,
alarm log, calibration table) export, configuration transfer between
machines of the same type via USB device.
Nurse call connector Connects to the hospital’s nurse call system.
VGA connector
Outputs VGA video signals with the same contents to the primary display
and connects to the external display (supporting display with resolution of
1280*800).
B.5 Pneumatic System Specifications
NOTE
All gas volume, flow and leakage specification are expressed at STPD except those
associated with the VBS which are expressed at BTPS.
High-pressure oxygen inlet
Gas type O
2
Pressure range 280 to 600 kPa
Rated flow requirement No less than 120 L/min (STPD)
Connector NIST or DISS
Fresh gas Fresh gas is called after supplied Air and O
2
are mixed.
Low-pressure oxygen inlet
Pressure range Less than 100 kPa
Maximum flow 15 L/min(STPD)
Connector CPC quick connector
Inspiration module
Peak flow in case of single
supply gas(air)
≥210 L/min(BTPS)
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