Gas Measuring - sewerin EX-Tec HS 680 Operating Instructions Manual

3 Operation
3.2.8

Gas measuring

The measuring mode can be changed for the Gas measuring
application via this menu item.
WARNING!
A
Risk to life due to absence of alarm
The device does not sound an alarm in the gas measur-
ing application.
● Before switching application, please make sure there
● Do not smoke.
● Be extremely careful.
Area of use
– Demonstrating gas purity / absence of gas in gas pipes
Symbol
Unit
– % vol.
Measuring range
Infrared sensor
Measurement data display
0
Fig. 15: Gas measuring mode
30
are no ignition sources close by.
1,0 10 100
30
VOL%
CH4
0 to 100 % vol.
– Digit, for example,
30 % vol. CH
4
– Bar graph with quasi-logarith-
mic scale