Dräger VarioGard 2300 User Manual

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

Dräger VarioGard 2300 Specifications

General

Brand	Dräger
Model	VarioGard 2300
Category	Gas Detectors
Language	English