AM852 Veterinary Anaesthesia machine User’ Manual
31
Respiration System
volume
50
～
1500mL
absorbent
1200mL
×
2
System leakage
When pressure is lower than 3kPa,
≤
175mL/min
system compliance
≤
4mL/kPa
Resistance of
ventilator system
Flow-rate: 30L/min
Flow-rate: 60L/ kPa min
≤
0.16kPa
≤
0.52kPa
pressure of opening
unidirectional
inspiration/expiration
valve
Dryness state: 0.02kPa
Moist state: 0.03kPa
APL valve
About 0.19-6 kPa
Inspiratory and expiratory pressure/flow characteristics
The pressure (positive/sub-atmospheric) generated at the connection port shall not exceed
0.6 kPa(6 cm H2O) at the peak flow of 60 L/min when connected to the anaesthesia system
or suitable test rig supplying a fresh gas flow of 10 L/min (
1 L/min) or the maximum
fresh gas inlet flow specified by the manufacturer.
Leakage
The leakage from an anaesthetic breathing system shall not exceed 150 ml/min (15.2 kPa
l/min) at 3.0 kPa(30 cm H2O) internal pressure.
Compliance
The internal compliance of the anaesthetic breathing system shall not exceed 120 ml, at a
pressure of 3 kPa (30 cm H2O) and measured with any carbon dioxide absorbent
container(s) filled with fresh absorbent of any type recommended by the manufacturer and
any reservoir bag excluded
Warning
：
the anaesthetic breathing system is intended to be used with an anaesthetic
system which should comply with IEC 60601-2-1
Check the performance of the unidirectional valves
1. Close the APL (expiratory) valve.
2. Plug one end of the circuit and connect the other side to the machine common gas
outlet via a T-piece connected to a pressure gauge(0 to 100cmH
2
O).
3. Gradually open the oxygen supply on the machine until a pressure of 50cm H
2
O is
indicated on the pressure gauge.
4. Check that a flow of not more than 300 ml/min is required to maintain this pressure.
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