Performance Procedures

Barometric

Check the barometric pressure value in the CO2 module as follows:

Pressure

 

 

 

Check and

 

 

 

Calibration

 

 

 

 

Step

Action

 

 

 

 

 

 

 

 

1

Enter the Power-Up Defaults Menu (see ““Power-Up Defaults Menu” on

 

 

 

page 5-3“for instructions on accessing this menu).

 

 

 

 

 

 

2

Select the Enter Diagnostic Mode? option.

 

 

 

 

 

 

3

From the popup menu, select Yes. The Diagnostic Menu displays.

 

 

 

 

 

 

4

Select the CO2 Test option.

 

 

5

Connect a FilterLine to the CO2 patient monitoring input connector. This

 

 

 

activates the pump in the CO2 module.

 

 

6

Check the status line at the top of the screen. It will display "CO2 pressure in

 

 

 

mmHg (ambient/cell) xxx/yyy" where xxx is the ambient pressure and yyy is the

 

 

 

measured cell pressure. The values are displayed with a resolution of 2 mmHg

 

 

 

(0.3 kPa) up to 475 mmHg (63.2 kPa) and a resolution of 1 mmHg (0.1 kPa)

 

 

 

from 475 mmHg (63.2 kPa) to 825 mmHg (109.7 kPa). Check whether the

 

 

 

ambient pressure (X1) matches (within the acceptable tolerance of ±12 mmHg)

 

 

 

the reference value you have received. If so, proceed to the “Leakage Check”. If

 

 

 

the value is not correct, calibrate as follows.

 

 

 

 

 

 

7

Select Set Barometric Pressure (mmHg). An adjustable value in mmHg is

 

 

 

activated.

 

 

 

 

 

 

8

Select the value that matches the reference value received from a reliable local

 

 

 

source, such as an airport, regional weather station or hospital weather station.

 

 

 

 

 

 

9

If the selected value is not with ±12mmHg (1.6 kPa) of the current measured

 

 

 

ambient pressure, verify the reference value by getting another reading from a

 

 

 

different source. If the ambient pressure displayed also differs from the new

 

 

 

reference by more than ±12mmHg (1.6 kPa), the CO2 module should be

 

 

 

replaced.

 

 

10

Confirm the barometric pressure setting by clicking on the adjusted value so that

 

 

 

it is no longer highlighted.

 

 

 

 

 

 

11

Check that the ambient pressure displayed in the CO2 Pressure line at the top of

 

 

 

the screen is the same as the value that you selected from the list in Step 8.

Testing the Monitor 4-31

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Image 81
Philips 862474, 862478 manual Barometric, Pressure Check Calibration, Select the Enter Diagnostic Mode? option
Page 80 Page 82

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