5
1 General
1.5
Allocation of tasks to applications
The table is designed to help you decide which application to
choose for which activity (in accordance with /3/
).
Location
Activity
Application
Gas lines, gas systems, …
●
Measuring the gas concentration
–
Purging (to demonstrate purity or absence of gas,
e.g.
when commissioning/decommissioning gas systems)
Gas measuring
Buried gas lines
●
Measuring very low gas concentrations: –
Ground
–
Gas line
–
Possible leakage points
Inspection above ground
●
Distinguishing between natural gas and swamp gas
Ethane analysis
Gas lines, gas systems, … in houses, enclosed spaces and shafts
●
W
arning against explosive gas concentrations through work
area monitoring
W
arning %LEL
●
W
arning against explosive and toxic gases through work area
monitoring
W
arning ExT
ox
In the ground
●
Measuring the gas concentration to: –
Determining gas dispersion (detection limit)
–
Classify leaks
–
Locating a probable gas escape (repair point)
–
Preventing possible dangers
Measuring in bar holes
Poorly accessible gas pipes, systems
●
Measuring very low gas concentrations
●
Locating the source of gas
●
Finding leaks
Plants
In the house
●
Measuring very low gas concentrations
●
Locating the source of gas
●
Finding leaks at internal connections
Structure