Mindray A9 Service Manual

5-10
6. Turn off the vaporizer in position 1.
5.7.4 Vaporizer Accuracy Test
1. Connect the sampling tee of the Calibrated Gas Analyzer to the ACGO port.
2. Use a breathing hose to connect the output of the sampling tee to the scavenger.
3. Verify that the scavenging system is connected to the wall and the float is between the
minimum and maximum scales.
4. Install a vaporizer and add anesthetic agent (if necessary).
5. Turn on the anesthesia machine
6. Set the machine to ACGO mode.
7. Set the O2 flow to 2 L/min.
8. Adjust the output concentration of the vaporizer as follows: 0 (isoflurane, sevoflurane and
desflurane), 1.0% and 3.0% (isoflurane and sevoflurane) , 5.0% (isoflurane, sevoflurane and
desflurane), 8% (sevoflurane and desflurane), 12% and 18% (desflurane). Observe the
monitored value of the Gas Analyzer to check whether its accuracy meets the requirement.
9. Test each vaporizer in sequence.
Test record tables
Test Sample Test Flow Set Concentration (%) Acceptance Criterion (%)
Isoflurane 2 L/min
0
≤ 0.05
1.0
0.75–1.25
3.0
2.55–3.45
5.0
4.25–5.75
Test Sample Test Flow Set Concentration (%) Acceptance Criterion (%)
Sevoflurane 2 L/min
0
≤ 0.05
1.0
0.6–1.4
3.0
2.55–3.45
5.0
4.25–5.75
8.0
6.8–9.2

Mindray A9 Specifications

General

Type	Anesthesia Workstation
Integrated Gas Analysis	Yes
Backup Battery	Yes
Operating Temperature	10°C to 40°C
Storage Temperature	-20°C to 55°C
Battery Type	Lithium-ion
Ventilation Modes	Volume Control, Pressure Control, SIMV, Manual Ventilation
Display	Touchscreen
Patient Monitoring	ECG, SpO2, NIBP, EtCO2, Temperature
Connectivity	Ethernet, USB
Portability	Mobile (with wheels)
Battery Life	Minimum 90 minutes (typical)
Altitude	Up to 3000 meters
Power Supply	100-240 VAC, 50/60 Hz
Charging Time	Approximately 4 hours
Storage	Internal storage for patient data and system logs
Supported Languages	Multiple languages
Certifications	CE, FDA