Mindray A7 Operating Instructions

Alarms Product Specifications
9 - 22 046-004667-00 A7™ Operating Instructions
9.14 Alarms
9.15 Safety Specifications
Auxiliary O
2
Gas Power Outlet : Pressure range: 280 to 600 kPa
Maximum flow:
≥ 90 L/min
O
2
Flush Pushbutton (green): Flow rate: 35 to 50 L/min
Inspiratory Airway Pressure Gauge: Range: -20 to 100 cmH
2
O
Accuracy: ± (2 % of full scale reading + 4 % of actual reading)
TABLE 9-33
Pneumatic Controls
Self-test: Self-testing of alarm system functions (alarm light, speaker,
and buzzer) is performed when A7 System is powered on.
Alarm Indicators: Audible: speaker / buzzer
Visual: alarm light and on-screen alarm messages
(Audible and visual alarms comply with the requirements of
IEC 60601-1-8.)
Alarm Categories: Physiological alarms: three levels (high, medium, low)
Technical alarms: three levels (high, medium, low)
Sound Levels: 10 alarm sound levels, adjustable (levels 1 to 10)
Alarm Status: Normal Status: all alarms are functioning properly
Silence Status: silenced alarms do not produce alarm audio;
only new alarms produce alarm audio
Sound Pressure levels (normal
operation without alarm):
≤ 60 dBA
Measured from the patient's head location at 1 meter
height, 1 meter from the front of the unit, and 1 meter to the
left of the unit.
TABLE 9-34
Alarms
Vibration Test:
(ISO 80601-2-
55:2011(E))
Frequency range: 10 to 2000 Hz
ASD 10 to 100 Hz: 1.0 (m/s
2
)
2
/Hz
ASD 100 to 200 Hz: -3 dB/Octave
ASD 200 to 2000 Hz: 0.5 (m/s
2
)
2
/Hz
Duration: 10 min per perpendicular axis (3 total)
Shock Test:
(ISO 80601-2-
55:2011(E))
Peak acceleration: 150 m/s
2
(15 g)
Duration: 11 ms
Pulse shape: half-sine
Number of shocks: 3 shocks per direction per axis (18 total)
Vibration test:
(IEC60068-2-6-2007)
Frequency range: 10 Hz to 500 Hz
Crossover frequency: 58 Hz to 62 Hz
Displacement/acceleration: 0.15 mm / 2 g
Sweep cycle: 5 cycles / axis (3 axis total)
Velocity: 1 oct/min
Rough handling: Complies with the requirements of clause 15.3.5 in IEC 60601-1.
Spillage and Harmful
Ingress of Water:
Complies with the requirements of clause 11.6.3 in IEC 60601-1 and also the
requirements in IEC 60529 for protection against vertically falling water drops
equipment (IPX1).
Surface Temperature: Complies with the requirements of clauses 11.1 in IEC 60601-1.
TABLE 9-35
Safety Specifications

Mindray A7 Specifications

General

Brand	Mindray
Model	A7
Category	Medical Equipment
Language	English