43
7-4. Zero adjustment
Perform the preparation (P.42) before performing a zero adjustment. If a fresh air environment cannot be
verified, a cylinder of zero air will have to be used.
2-1. ZERO
Perform the zero
adjustment.
The current
concentration is
displayed.
If a zero air cylinder is
being used, turn the
regulator’s knob
counterclockwise to
open the regulator.
Allow gas to flow to the
sensor for 2 minutes.
Press the SET button.
"PASS" is displayed
when adjustment is
successful, and "FAIL"
is displayed when it
fails.
If "FAIL" is displayed,
perform zero
adjustment again.
Zero adjustment will
end.
Turn the regulator’s
knob clockwise to
close it.
Содержание EC-600
Страница 41: ...41 2 03 LCD Perform the LCD display test 2 04 Not used To 2 00...
Страница 49: ...49 2 4b P A Not used 2 4C ACAL Not used 2 4d BZZR Set the buzzer to ON OFF...
Страница 50: ...50 2 4E AL R Set the gas alarm state contact to ON OFF 2 4F MA O Set the external output signal to ON OFF...
Страница 70: ...70...
