33
3 Operation
3.2.10 Warning ExTox
This menu item allows you to change the measuring mode to
Warning ExTox.
A
WARNING!
Danger of death due to operating signal failure
If the operating signal fails, the device is not safe to use.
● Stop using the device immediately.
● Move away from explosive areas or toxic or low-oxygen
atmospheres immediately.
Range of use
– Warning of explosive and toxic gas concentrations as well as
lack of oxygen
Symbol
Unit
– % LEL (methane CH
4
)
– % vol. (oxygen O
2
)
– ppm (carbon monoxide CO)
Measuring range (methane CH4)
Catalytic combustion sensor 0 to 100 % LEL
Measurement data display
– Digit, e.g.
34 % LEL CH
4
11.5 % vol. O
2
34 ppm CO
Fig. 17: Warning ExTox measuring mode
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