Caution – Eppendorf Biological Shakers Excella E-25R User Manual
Page 23
23
New Brunswick Scientific
Operating Manual
4. Set the speed by using the
(UP)
or
(DOWN) KEY
until the desired setpoint is
displayed. Holding the
(UP)
or
(DOWN) KEY
will cause the setting to change
more rapidly.
NOTE:
The setpoint may be changed during a run without stopping the shaker by
following steps 2 - 4 above. During speed changes, a visual alarm (flashing
RPM INDICATOR
) will flash and an audible alarm will sound until the speed
returns to within 5 rpm of the setpoint.
6.3 Checking a Setpoint
1. Press
SELECT
until the desired indicator is illuminated.
2. Press either
(UP)
or
(DOWN) KEY
to enter the
SET MODE
and display the current
setpoint.
CAUTION!
Holding the
(UP)
or
(DOWN) KEY
for more than 0.5 seconds causes the
speed setpoint to change. Should this occur, resetting will be necessary.
6.4 Timed
Functions
The shaker may be programmed to automatically stop after a preset time period of 0.1 to
99.9 hours. There must be power to the shaker in order to set the timer, although a timed
run can be initiated while the shaker is either stopped or operating.
To set the timer:
1. Press the
SELECT KEY
until the
HRS INDICATOR
is illuminated.
2. Press
(UP)
or
(DOWN) KEY
to enter the
SET MODE
and set the desired run time,
between 0.1 and 99.9 hours.
If the shaker is stopped, skip to Step 5 below. If the shaker is already running:
3. Press the
START/STOP KEY
. The shaker will stop and the display will read
OFF
.
4. Press the
START/STOP KEY
again; the
TIME INDICATOR
will light and the shaker will
start the timed run.