BA02195C OXY5500 Optical Oxygen Analyzer
Endress+Hauser 4
–49
Press the Next button at the top right of the screen followed by the
button. The screens in Figure 4–49 will display.
At the top of the screen, the currently measured Oxygen, Temperature, and
Pressure values are displayed. Below this, the Old RATA Mult. value is shown.
Setting RATA reference values
1. Enter the reference oxygen value (oxygen concentration of certified
test gas lead into the vessel with the oxygen sensor or the oxygen
value of a reference device) in the O2 Reference field (1) at the
bottom of the screen.
2. Press the Start
button next to the New RATA Mult. field (2), as shown
in the Status field, to display current sensor phase values. Wait while
the sensor values stabilize until the Status field displays “Ready to
Set Value!” (3).
3. Press the Set
button (4) next to the New RATA Mult. field and the
new value will display.
The New RATA Mult. can also be set manually. Refer to “Setting
new RATA mult. manually” on page 4-50.
4. Press the Save
button at the upper right of the screen.
If RATA has not been changed, the display will read 1.000.
Figure 4–49 Relative accuracy test audit (RATA)
screen
2
1
3
4
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