sewerin EX-TEC SR4 - Zero-Point Adjustment Procedure; Workplace Monitoring Function

16
• repeatedly pressing one of the
cursor buttons while holding down
the zoom button switches
manually to the required display
range
2.72.7
2.72.7
2.7
Zero-point adjustmentZero-point adjustment
Zero-point adjustmentZero-point adjustment
Zero-point adjustment
• if the detector fails to reach its
zero point of
0 PPM0 PPM
0 PPM0 PPM
0 PPM or
0,00,0
0,00,0
0,0
%VOL%VOL
%VOL%VOL
%VOL
after flushing with copious fresh
air, pressing the
zero pointzero point
zero pointzero point
zero point
buttonbutton
buttonbutton
button enables you to adjust it
manually
• the reading display flashes while
the adjustment is being carried
out
• measurement cannot be
resumed until
afteafte
afteafte
after the flashing
stops
2.82.8
2.82.8
2.8
Workplace monitoringWorkplace monitoring
Workplace monitoringWorkplace monitoring
Workplace monitoring
☞
This function is available only with the This function is available only with the
This function is available only with the This function is available only with the
This function is available only with the EX-TEC® SR5
and and
and and
and EX-TEC® SR4
detectors ! detectors !
detectors ! detectors !
detectors !
• this function is switched on by
pressing the
WPM WPM
WPM WPM
WPM (
ww
ww
work
pp
pp
place
mm
mm
monitoring)
buttonbutton
buttonbutton
button
• the detector can also be switched
on by pressing this button