Drucker Diagnostics Model 642VES Centrifuge - Manual (Page 7)

07
Operation
NOTE: Follow the initial setup procedure before initial operation.
1. Press the ‘OPEN / STOP’ button to unlock the lid and then open the lid.
2. Insert cushions (if needed) into the tube carriers/holders for the tube size you are using. Refer to
‘Tube Holder Configurations’ for assistance.
3. Place the test tube samples into the tube carriers/holders. Be sure to follow the rules for balanced loads.
4. Close the lid and turn the lid knob clockwise to its complete stop position. The ‘LATCHED’ indicator
light should illuminate to indicate that the latch is closed properly. If the lid knob is not completely
latched, the ‘LATCHED’ indicator light will not illuminate and the centrifuge cannot be operated.
5. To access and program the memory locations, press the MENU key.
6. Move the cursor to the desired parameter with the left and right scroll keys (‘START’ and ‘STOP/OPEN’)
7 Changing a parameter is accomplished with the SET keys.
8. Exit the program menu by pressing the MENU key.
9. Any changes are automatically saved upon exiting the program menu.
Programming Example
Follow these steps to program a memory location to process samples with the horizontal
rotor and 100 mm tube holders for 15 minute at 3,200 rpm with medium end of cycle braking.
1. Press the MENU key.
2. Use the SET keys to select the desired memory location to modify.
3. Use the scroll keys to highlight a rotor.
4. Use the SET keys to select the horizontal rotor.
5. Use the scroll keys to highlight a tube holder.
6. Use the SET keys to select the 100 mm tube holder.
7. Use the scroll keys to highlight the time.
8. Use the SET keys to select 15 minute.
9. Use the scroll keys to highlight an rpm.
10. Use the SET keys to select 3,200 rpm.
11. Use the scroll keys to highlight the braking magnitude.
12. Use the SET keys to select a mid-range value of 5.
13. Exit the programming menu and save the settings by pressing the MENU key.
14. The centrifuge is ready to run.
Executing a Program
1. Press the MENU key to access the program menu.
2. Use the SET keys to select the desired pre-programmed memory location.
3. Press the MENU key to exit the program menu; the program is now ready to be executed.
4. Begin the run by pressing the ‘START’ button on the control panel.
5. The centrifuge should begin to spin. The ‘RUNNING’ indicator light should illuminate.
IF A PROBLEM IS FOUND DURING A SPIN THAT REQUIRES THE CENTRIFUGE
TO SHUT DOWN, PRESS THE ‘OPEN / STOP’ BUTTON IMMEDIATELY !
6. After time has elapsed, the ‘RUNNING’ indicator light will turn off and the rotor will decelerate to a
complete stop.
7. The ‘UNLOCKED’ indicator light will illuminate and the locking mechanism will disengage, allowing
entry into the rotor chamber. If the automatic unlock times out (after 60 seconds) simply press the
‘OPEN/STOP’ button.
8. Turn the lid knob counterclockwise and open the lid.
9. Remove the samples.