sewerin EX-TEC SR2, Operating Instructions Manual

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Display 1 Display 1 Display 1 Display 1 Display 11 - %VOL 1 - %VOL 1 - %VOL 1 - %VOL 1 - %VOL range language range language range language range language range language
By repeatedly pressing the on/off button you can choose between the
following displays in the vol.% range:
%VOL %VOL
%VOL %VOL
%VOL - concentration display in vol.% (German/English)
%GAZ %GAZ %GAZ %GAZ %GAZ - concentration display in vol.% (French)
•
confirm the display, e.g.
%VOL %VOL
%VOL %VOL %VOL ,
with the on/off button ( OK OK
OK OK
OK appears
in the LCD display)
•
this setting is retained even when
the detector is switched off
•
press the cursor-up button to
move to the next display
Display 12 - 10 PPM sensitivity Display 12 - 10 PPM sensitivity
Display 12 - 10 PPM sensitivity Display 12 - 10 PPM sensitivity Display 12 - 10 PPM sensitivity
Synthetic or fresh air is used for the zero-point adjustment, you must
always achieve sensitivity of > 5 ppm when using 10 ppm methane CH
4
test gas.
To this end you can select from the following amplification ratios in the
10 ppm range by repeatedly pressing the on/off switch:
1,0 x 10 PPM 1,0 x 10 PPM 1,0 x 10 PPM 1,0 x 10 PPM 1,0 x 10 PPM - 100% amplification
1,2 x 10 PPM 1,2 x 10 PPM 1,2 x 10 PPM 1,2 x 10 PPM 1,2 x 10 PPM - 120% amplification
1,5 x 10 PPM 1,5 x 10 PPM
1,5 x 10 PPM 1,5 x 10 PPM 1,5 x 10 PPM - 150% amplification (factory setting)
•
confirm the selected amplification
(e.g.
1,5 x 10 PPM 1,5 x 10 PPM 1,5 x 10 PPM 1,5 x 10 PPM 1,5 x 10 PPM ) with the on/
off button