Sanyo MCO-19M, Service Manual

Page: 11 / 187

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O
2
span calibration
(Ex
䠅
When setting O
2
density is 5.0% and actual O
2
density is 4.5%:
Process Operation MENU
1 Put densitometer thorough the sample port at the front side of the unit to measure
chamber O
2
density.
2
Select Tools in the Top Screen.
Tools
3
Select Tools (1/2) is displayed. Select temp / CO
2
Calibration and press OK key.
OK
4 By pressing digit shift key and numerical value shift key, input actual O
2
density
䠄
4.5%
䠅
in the column O
2
Span. Select OK and press ENTER key.
OK
5
Automatically reverts to Select Tools (1/2) screen.
*Note (1) 㻌 Input range: +1.0% ~ -1.0% (per input).
(2) 㻌 Repeat O2 calibration for several times until displayed CO2 density will match with
actual density.
(3) 㻌 It is unacceptable to commence O2 span calibration when setting O2 density deviates 㻌
䡂
rom 18.0 ~ 22.0
䠂
.
㻌 㻌 㻌
There is a blank in the rignt side of
䇾
O2 Span
䇿
column.
䠘
Display of Process-2
䠚
䠘 Display of Process-3 䠚
O
2
span calibration
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