Thermo Scientific 1500 Series Operating Instructions Manual page 28

Biological safety cabinet
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keypad will relock. The feature remains enabled until it is
disabled in this screen.
PASSWORD
Figure 35. Security lock
Setting the USB Output Rate
This menu option selects the rate that cabinet status data is
exported out of the mini USB port on the side of the top
electrical box. Data can output at a rate of once per second,
once per 10 seconds, once per 30 seconds, or once per 
60 seconds. Make the appropriate selection, then 
[OK/MUTE].
OUTPUT DATA
1 / SECOND
1 / 10 SECONDS
1 / 30 SECONDS
1 / 60 SECONDS
Figure 36. USB Output data
Navigating UV Parameters
For models equipped with the optional UV light, the cabinet
has an integral UV light maintenance system. It allows you to
monitor how many hours the lamp has been on, to reset the
UV lamp hour meter, and to define how many hours you want
the UV lamp to operate before receiving a reminder to 
replace it.
This screen displays the hours of UV lamp operation
(Runtime), and how many hours remain (Remaining) until you
1500 Series Class II, Type B2 Biological Safety Cabinet
receive a warning to replace the lamp. To reset the Runtime
hour meter to zero (after replacing the UV lamp), select Reset,
then [OK/MUTE]. The hour text will begin to flash, if you
entered this condition by mistake, press [MENU]. If you want
to reset the hour meter, hold [OK/MUTE] for 3 seconds.
To change the desired UV lamp lifetime, select Lifetime as
seen in Figure 37, then [OK/MUTE]. The screen shown in
Figure 37 will display. To change the UV lamp lifetime
(number of operating hours before receiving the warning),
change the Hour field accordingly using [UP] or [DOWN],
then [OK/MUTE].
RUNTIME 2139 H
REMAINING 3861 H
6000 H
Figure 37. UV Lamp parameters
For most UV lamps, the output of UV light decreases at a
constant rate. Typically, after 6,000 hours of operation the
lamp's output intensity will reduce to 80% of when it was
new. This option allows you to set operational life of the UV
lamp, in 100 hours increments. 6,000 hours is the default.
The Certifier Submenu
This submenu is reserved for use by certifiers, during
certification or service procedures. It is password protected
for safety.
RESET
LIFETIME
SET
LIFETIME
Using the Cabinet |
23

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