Dräger PIR 7000 Notice D'utilisation page 18

Action Status Indicator
Carry out a zero-point calibration:
Put the magnetic green and yellow are
wand on the » 0 « on
mark and hold it
there.
Remove the mag- green/yellow flashes
netic wand. alternately
The gas transmitter automatically terminates the calibration, then switches back to normal
operation (green signal light on).
After finishing the calibration process or after exceeding the timeout value, shut down zero
z
gas supply and remove the gas supply accessories used in the calibration process, if nec-
essary.
Span Calibration Dräger PIR 7000 / Dräger PIR 7200
Action Status Indicator
Prepare device for span calibration:
Put the magnetic green/yellow signal
wand on the »S « lights flash alter-
mark and hold it there. nately and quickly
Remove the mag- green and yellow are
netic wand. on
Initiate the span calibration:
Place the magnetic
wand within 2 sec-
onds on marking
» S « for at least
1 second and then green/yellow flashes
remove it. alternately
Place on calibration
adapter PIR 7000.
Feed the calibration
gas to the sensor at a
rate of 0.5 L/min.
Make sure that the
measuring cuvette is
completely purged
with the correspond-
ing
calibration gas.
Put the magnetic green and yellow are
wand on the » S « on
mark and hold it
there.
Remove the mag- green/yellow flash
netic wand. alternately and slowly
18
Output Signal Meaning
maintenance Calibration is acknowledged.
signal
maintenance Zero-point calibration is termi-
signal nated.
Output Signal Meaning
Measuring mode Unlock device for span calibra-
tion.
Measuring mode Device awaits start of calibra-
tion.
(Timeout after approx. 5 sec.)
The calibration routine is
maintenance started.
signal (Timeout after approx. 4 min.)
maintenance Confirm that the gas transmit-
signal ter is completely purged with
the corresponding calibration
gas.
maintenance Device determines the current
signal deviation.
(Timeout after approx. 30 min.)
Action Status Indicator
Display of the span deviation:
Wait approx. 1 to 2 Green status light
minutes, until the yel- flashes a single rhythm:
low status light goes
out. The flashing
Green status light
rhythm of the green
flashes a double
status light indicates
rhythm:
the current deviation.
Green status light
flashes a triple rhythm:
Carry out the span calibration:
Put the magnetic green and yellow are
wand on the » S « on
mark and hold it there.
Remove the mag- green/yellow flashes
netic wand. alternately
After reaching the gas concentration prior to calibration (accuracy: ±5 %), the gas transmitter
automatically terminates the calibration and switches back to normal operation (green signal
light on).
After finishing the calibration process or after exceeding the timeout value, shut down cali-
z
bration gas supply and remove the gas supply accessories used in the calibration process,
if necessary.
The factory default calibration gas concentration is specified on the configuration label.
Applying an alternative calibration gas concentration means using a PC and the Dräger CC-
Vision GDS PC software or a manual controller made by HART
responding values. Be sure to put the alternative calibration gas concentration onto the con-
figuration label. The recommended calibration gas concentration is between 40 % and 60 %
of the full-scale deflection.
Errors / Complications during calibration
Action Status Indicator
yellow flashes quickly maintenance
Put the magnetic wand green and yellow are
on the » 0 « mark for on
zero-point calibration
or on the » S « mark
for span calibration
and hold it there.
Remove the mag- green/yellow flash
netic wand. alternately and slowly
The gas transmitter automatically terminates the calibration, then switches back to normal
operation (green signal light on).
After cancelling the calibration process or after exceeding the timeout value, shut down gas
z
supply and remove the gas supply accessories used in the calibration process, if necessary.
Output Signal Meaning
maintenance The deviation is less than the
signal set "calibration range limit".
maintenance Slight deviation.
signal
maintenance The zero point deviation is
signal larger than ±15 % LEL of the
calibration gas concentration.
(Timeout after approx. 30 min.)
maintenance Calibration is acknowledged.
signal
maintenance Span calibration is terminated.
signal
NOTICE
®
to actively transmit the cor-
Output Signal Meaning
Device has an error or has
signal detected complications.
maintenance Error display message is
signal acknowledged.
maintenance The calibration is cancelled
signal without saving the values.
www.norrscope.com