23
Routine usage
Denition of the dispensing
parameters
The system dispenses media by mixing pre-warmed
water with concentrated media from the media bag
stock. Several parameters can be adjusted on the
instrument depending on the culture media type and
the application and are displayed on the screen when
the system is ready to dispense:
Display
parameter
Description Min.
value
Max.
value
# Identier of the selected preset 1 4
V: Final volume to be dispensed by the
system (in mL)
90 mL 9999 mL
T: Final temperature of the dispensed
volume in °C.
When no heating is selected (T:0),
nal temperature is the temperature
of the deionized water.
30 °C 42 °C
F: Maximum ow rate of the water
pump while dispensing in L/min.
By default, the value is 2 L/min;
it can be adjusted using a custom
barcode (see section: Customizing
parameters on page 25)
0.5 L/min 2 L/min
X: Final concentration of the culture
media dispensed by the instrument.
By default, single strength (1 x)
media is dispensed and X:1 is not
displayed.
0.1 x 2 x
( ) If ow rate mode is set as the
priority, the instant dispensing
temperature is displayed in brackets.
If temperature mode is set as the
priority, instant dispensing ow
rate is displayed in brackets.
Selection of the dispensing
parameters
Following peristaltic pump calibration and, if needed,
water pump owmeter calibration, the system is ready
for dispensing.
The “Prog” LED will blink orange and the display will
ask to scan a test data matrix or select the adequate
preset program on the instrument for 5 seconds.
After the 5 seconds the “Water” LED and the “Media”
LED turn to solid green, indicating that the system is
ready to dispense either water or media according to
the last parameters used.
There are 3 possibilities to modify the dispensing
parameters:
• Use a preset program
• Scan a test data matrix
• Manually customize the parameters
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