Plants - sewerin EX-Tec HS 680 Operating Instructions Manual

3.2.4

Plants

The measuring mode can be changed for the Plants application
via this menu item.
Area of use
– Measuring minimal gas concentrations in freely accessible
gas pipes and systems (e.g. gas pipes on bridges, above-
ground inverted siphons, biogas plants)
– Locating the source of gas
– Finding leaks
Symbol
Unit
– ppm (parts per million)
– % vol.
Measuring range
Gas-sensitive semiconductor
Infrared sensor
Measurement data display
0
10
Fig. 8:
100 0,1 1,0 10 100
8
PPM
CH4
Plants measuring mode
0 to 10,000 ppm
0.1 to 100 % vol.
– Digit, for example,
8 ppm CH
4
– Bar graph with quasi-loga-
rithmic scale
3 Operation
19