Mindray A7 Service Manual

Functional Tests Periodic Maintenance
3 - 22 046-006272-00 A7™ Service Manual
3.8.5.2 O2:N2O Ratio Test Under EFCS
1. Connect a breathing hose from the ACGO port to the flow analyzer.
2. Connect a breathing hose from the flow analyzer output to the scavenger.
3. Attach a adapter to the flow analyzer to connect the sampling line from the AG module.
FIGURE 3-24
4. Touch the screen to start the manual ventilation mode and set the ACGO button to ON. Set the
Fresh Gas Control to Total Flow Mode.
5. Set the O2 concentration to each of the set points in the table below and set the N2O as
balance gas, then verify the oxygen concentration at each step.
Test Method Verification
Set the O2 Concentration to 26%.
Set the total flow to 1L/min.
Verify O2 concentration is between 24.7% and 27.3%.
Set the O2 Concentration to 100%.
Set the total flow to 1L/min
Verify O2 concentration is 95% or greater
Set the O2 Concentration to 26%.
Set the total flow to 5L/min
Verify O2 concentration is between 24.7% and 27.3%
Set the O2 Concentration to 100%.
Set the total flow to 5L/min
Verify O2 concentration is 95% or greater

Mindray A7 Specifications

General

Brand	Mindray
Model	A7
Category	Medical Equipment
Language	English