Eppendorf Biological Shakers Excella E-25R User Manual
Page 26
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M1353-0050
Excella
®
E-25/E25R Classic Incubator Shakers
Operating Manual
NOTE:
The
°C
light will pulse rapidly to indicate it is not operating in the factory
default mode. It will pulse for a longer duration and less rapidly (with a
frequency of approximately one second) to indicate temperature is more
than one degree above or below setpoint.
To return to the factory calibration:
1. Press the
SELECT KEY
until the function
C INDICATOR
illuminates.
2. Simultaneously press the
(UP)
and
(DOWN) KEYS
. The display will indicate
CAL
.
3. Using the
(UP)
or
(DOWN) KEY
, set the Temperature Correction Value to zero.
4. Simultaneously press the
(UP)
and
(DOWN) KEYS
. The rapid pulsing of the
C
INDICATOR
will stop.
6.8 Power
Failure
In the event of a power failure, the E-25 & E25R shakers are equipped with an
automatic restart function.
If the shaker was in operation prior to the power interruption, when power is restored the
shaker will begin to operate at its last entered setpoint. The
LED DISPLAY
will flash and
the audible alarm will sound, indicating that a power failure has occurred. Press any key
to cease the flashing in the display and the audible alarm.
6.9 Speed
Calibration
To calibrate the shaking speed:
1. Set the shaker to a speed that can easily be measured. If you are using a strobe,
minimum speed should be 250 RPM.
2. Compare the reading on the display to the measured reading.
If an adjustment is needed:
1. Press the
SELECT KEY
until the
RPM
indicator light illuminates.
2. Press the
(UP)
and
(DOWN) KEYS
simultaneously. The display will indicate
CAL
.
3. Press either the
(UP)
or
(DOWN) KEY
to change the displayed value to match the
measured speed.
4. Press the
(UP)
and
(DOWN) KEYS
simultaneously to save the adjustment.
5. Turn the shaker
OFF
using the power switch, then turn it back
ON
.