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TESTO 340 - Sensor Settings; Setting NO2 Addition

TESTO 340
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F.2 Sensor settings
It is possible to set an NO
2
addition and thresholds for activating sensor protection (dilu-
tion/disconnect). The actual calibration data and the status of the sensors can be
displayed. Recalibration can be carried out.
Calling up the function:
Sensor settings .
Setting the NO2 addition (as long as no NO2 sensor is plugged in):
1
NO2 addition.
Option:
Reset N02 addition to default value: .
2
Set the value .
Schematic presentation of gas path testo 340:
Slot 1 Slot 2 Slot 3 Slot 4
O2 CO, H2-comp. NO CO, H2-comp.
COlow, H2-comp. NOlow COlow, H2-comp.
NO NO2 SO2
NOlow NO2
SO2
Slot 2
Slot 1
Slot 3
Slot 4
Flue gas
Controlled
measuring gas
pump
Mixing
chamber
Mixing
chamber
3/2 way value
Fresh air pump
Fresh air
Dilution 2x:
All measuring cell slots (option)
Dilution 5x:
measuring cell slot 2
CO, H2-comp.
COlow, H2-comp.
SO2
NO2
NO
NOlow
NO2
O2
CO,H2-comp.
COlow, H2-comp.
NO, NOlow, SO2
OKChange
Deflt
OK
F. Configuration
31

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