58
Maintenance
Sensitivity (Span) Calibration Dräger PIR 7000 / Dräger PIR 7200
Carry out the zero-point calibration:
Place the magnetic
wand onto the mark
» 0 «.
Green and yellow
are on.
Maintenance
signal
Acknowledge the
adjustment.
Remove the magnetic
wand.
Green/yellow flash
alternately.
Maintenance
signal
Zero-point calibration is
terminated.
Attention: Turn off the zero gas. Remove
calibration adapter PIR 7000.
Measuring mode is automatically
activated after finishing calibration.
Action Status Indicator Output Signal Meaning Timeout
Prepare the device for sensitivity (span) calibration:
Place the magnetic
wand onto the mark
»S «.
Green/yellow flash
alternately and
quickly.
Measuring mode Unlock device for span
calibration.
Remove the magnetic
wand.
Green and yellow
are on.
Measuring mode Device waits for the start
of calibration.
Initiate the sensitivity (span) calibration:
Place the magnetic
wand within 2
seconds onto the
mark » S « for at least
1 second and then
remove it.
Green/yellow flash
alternately.
Maintenance
signal
The calibration routine is
started.
Place on calibration
adapter Dräger
PIR 7000.
Feed the calibration
gas corresponding to
the device configura-
tion at least 0.5 L/min
to the sensor.
Make sure that the
gas transmitter was
entirely purged with
the chosen calibra-
tion gas. ≈30 minutes
Put magnetic wand
onto the mark » S «,
then remove again.
Green and yellow
are on.
Maintenance
signal
Confirmation that the gas
transmitter was purged
with the chosen calibra-
tion gas.
Green/yellow flash
alternately and
slowly.
Maintenance
signal
The current measured
value is determined.
Action Status Indicator Output Signal Meaning Timeout
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