6.1
Zero point calibration VarioGard 23x0
Status
Action
display
Prepare the device for zero-point 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 Maintenance
mode. Place the magnetic
wand on the marking
»
« for 5 seconds and
then remove it again.
Insert the instrument for the zero-point 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
nitrogen or synthetic air
with a min. flow of
0.5 L/min.
Ensure that the sensor is
fully purged with the
selected zero gas.
Dräger VarioGard 2300 / 2320
All manuals and user guides at all-guides.com
Output
Meaning
signal
Measurement
mode
Transmitters
mode
switch from
measurement
mode to
maintenance
mode. Current
signal = 3.0 mA
Calibration routine
has started.
Maintenance
Measurement
mode
value outside the
permitted
calibration range.
Status
Action
display
Stabilise the zero-point signal:
Yellow
flashes slowly
Yellow
Continue supplying the
flashes
selected zero gas.
quickly
Yellow on
Carry out the zero-point adjustment:
Place the magnetic wand
Green flashes Maintenance
on the marking »
« for
2 seconds and then
remove it again.
Stop the zero gas.
When the action has been completed and if no
Remove the calibration
subsequent span calibration is needed, the
adaptor VarioGard 23x0.
transmitter must be switched back to measurement
mode using the magnetic wand. Place the magnetic
wand on the marking »
remove it again.
Maintenance
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.
Being adjusted.
mode
« for 5 seconds and then
13