Co 2 Span Calibration - Sanyo MCO-19M Service Manual

CO span calibration
2
(Ex When setting CO density is 5.0% and actual CO
2
Process
1 Put densitometer thorough the sample port at the front side of the unit to measure
chamber CO
2
Select Tools in the Top Screen.
3
Select Tools (1/2) is displayed. Select temp / CO
4 By pressing digit shift key and numerical value shift key, input actual CO
4.5% in the column CO
5
Automatically reverts to Select Tools (1/2) screen.
*Note (1) Input range: +1.0% ~ -1.0% (per input).
(2) Repeat CO2 calibration for several times until displayed CO2 density will match with
actual density.
(3) It is permitted to commence CO2 span calibration only when setting CO2 density is 5.0 .
Display of Process-2
Display of Process-3
CO span calibration
2
density.
2
Span. Select OK and press ENTER key.
2
density is 4.5%:
2
Operation
Calibration and press OK key.
2
- 7 -
MENU
Tools
OK
density OK
2