EV2xx
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Method programming
Method programming permits to store up to 9 different methods, each
with 9 steps, of frequently used parameters in the non-volatile memory
for future recall. Each step is able to recall a next one, providing a flex-
ible multiple step function for special techniques. The method mode also
permits to program a linear voltage gradient for any step provided the
limiting current or power is not attained. Parameters can be changed
temporarily without interrupting the run.
1. Verify if the instrument is switched off.
2. Connect the electrophoresis tank to the instrument.
3. Switch the instrument on.
4. Select the METHOD mode and press SET.
5. Select the desired method and press SET.
6. Select the desired step and press SET.
7. Decide whether or not a voltage gradient has to be performed and
press
SET.
8. Enter the desired voltage limit and press SET (= the voltage end
point in case of a gradient step).
9. Enter the desired current limit and press SET (this limit is automati-
cally set to maximum and cannot be changed in case of a gradient
step).
10. Enter the desired power limit and press SET (this limit is automati-
cally set to maximum and cannot be changed in case of a gradient
step).
11. Enter the desired time-units (h of kVh) and press SET.
12. Enter the desired time and press SET.
13. Decide if the experiment should automatically proceed with a next
step (resuming from point 6) or stop after this step. Enter the
desired procedure and press
SET.
14. Press RUN to start the experiment.
• At any time, you can return in the stand-by mode by holding
SET
pressed during 2 seconds.
• At any time, you can avoid programming unnecessary parameters.
To do so, simply press
RUN
instead of
SET
after entering the last
relevant value and the instrument will immediately start the exper-
iment keeping the other parameters to their previous values.
• To ensure that the desired parameter is kept constant, we suggest
to pre-set all other parameters to maximum.
• A blinking unit of the controlling parameter appears when the regu-
lation is complete.
• The timer will always count down.
• If the timer is still running after switching on, the power supply will
automatically proceed with the experiment for the remaining time.
Press
STOP
if you want to go in stand-by during the run.
ENTER
1
∫
1
VOLTAGE:
400V
---- STAND-BY ----
METHOD
ENTER
1
∫
1
METHOD:
1
ENTER
1
∫
1
STEP:
1
ENTER
1
∫
1
GRADIENT:
NO
ENTER
1
∫
1
CURRENT:
300mA
ENTER
1
∫
1
POWER:
50W
ENTER
1
∫
1
TIME UNIT:
h
ENTER
1
∫
1
TIME:
99:59h
ENTER
1
∫
1
END METHOD:
YES
RUN
1
∫
1
99:59h
400V 300mA 50W
V
time
step 2
step 3
step 4
step 5
Содержание EV202
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