50
Factor Ratio of diluting gas: Measuring gas
x 1 no dilution
x 2 1 : 1
x 5 4 : 1
x 10 9 : 1
x 20 19 : 1
x 40 39 : 1
Auto dilution 4 : 1
If the dilution stage auto-dilution is selected, dilution (5x) is
activated automatically when the set switch-off threshold of the
sensor in slot 6 is reached.
• If the surrounding air contains interfering gases, push
the hose onto the dilution inlet and place in a clean
atmosphere.
• If gas from a gas cylinder is used, observe a max.
pressure of 12 "H
2
O (30hPa)
• Diluting also changes the resolution of the reading
display, i.e.:
Undiluted resolution 1ppm, with factor 10 resolution
10ppm.
Activate the function:
> [ ] → Device settings → [OK] → Dilution → [OK]
1. Single slot → [Change]
2. Set the dilution factor: [ ], [ ].
3. Confirm the entry: [OK].
Option:
> Without dilution: Press [Without].
Dilution system with fixed dilution factor (x5) for all sensors
(fresh air valve option)
The selection of to dilute all (x5) results in the dilution of all
sensors (x5). The measuring channels O
2
, CO
2
-(IR), CO
2
, qA,
Lambda, Eta and all measuring channels for flow measurements
are faded out in case of dilution to dilute all. 1x deactivates the
dilution (extension of measuring range).
w ww . . co m
information@itm.com1.800.561.8187
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