Mindray A7 Service Manual

System Calibration Calibration
4 - 60 046-006272-00 A7™ Service Manual
FIGURE 4-79
6. Rotate the regulating screw at the head slowly with a flathead screwdriver to adjust the output
pressure range (rotate clockwise to increase the pressure and counterclockwise to reduce the
pressure) until the adjusted pressure is within the range listed in the preceding table (±5%). After
adjusting the pressure, reinstall and tighten the self-locking acorn nut.
FIGURE 4-80
7. Turn off the gas supply and restore the equipment tube connections.
4.3.9 Adjust the back pressure valve
1. Connect Anesthesia machine calibration to the front end of the back pressure valve by 3140-08-
00 Y piec e and 3106-10-00 adapter connector to monitor and measure the pressure of the front
end of the back pressure valve. The connection diagram and connecting ports are shown as
follows.

Mindray A7 Specifications

General

Type	Anesthesia Workstation
Brand	Mindray
Model	A7
Display	15-inch color touchscreen
Oxygen Flush	Yes
Gas Inlets	O2, N2O, Air
Ventilation Modes	SIMV, PSV
Breathing System	Integrated
Gas Monitoring	O2, CO2, N2O
Monitoring Parameters	FiO2
CO2 Monitoring	Mainstream or Sidestream
Power Supply	100-240 V, 50/60 Hz