Span Calibration Variogard 23X0 - Dräger VarioGard 2300 Gebrauchsanweisung

Maintenance
6.2

Span calibration VarioGard 23x0

Action Status display
Prepare the device for span calibration:
Use USB-PC-adapter
(order no. 83 22 016) to
connect the transmitter
Green on or off
with the PC.
depending on
Launch VarioCal
configuration
software.
Adjust calibration gas
concentration and unit
Set the maintenance Green flashes
mode. Place the magnetic
wand on the marking
» « for 5 seconds and
then remove it again.
Insert the instrument for the span calibration:
Place the magnetic wand
on the marking » « for
2 seconds and then
remove it again.
Attach the calibration
Green/yellow
adapter VarioGard 23x0.
flashes
Expose the transmitter to
alternately
calibration gas with min.
0.5 L/min.
Ensure that the sensor is
fully purged with the
selected calibration gas.
14
Output
Meaning
signal
Measurement
mode
Maintenance Transmitters
mode switch from
measurement
mode to
maintenance
mode.
Calibration
routine has
started.
Maintenance
Measurement
mode
value outside the
permitted
calibration range.
Status
Action
display
Stabilise the span signal:
Yellow flashes
slowly
Yellow flashes
Continue supplying the
quickly
selected zero gas.
Yellow on
Output
Meaning
signal
Measurement value
within the
calibration range.
Maintenance
Stability of
mode
measurement value
2 times greater than
calibration limit.
Measurement value
within the
calibration range.
Maintenance
Stability of
mode
measurement value
1 times greater than
calibration limit.
Measurement value
within the calibration
range.
Maintenance
Stability of
mode
measurement value
is OK.
Can be adjusted.
Dräger VarioGard 2300 / 2320