VWR Collection PCR Workstation
19
Checking and resetting the hours of duty
Select “Duty hours” and click on
.
The
following parameters can be selected
UV Surface
UV Recirculator
Select one parameter and press on
to see
the time of duty. A progress bar will indicate when
the device needs to be replaced.
We recommend to change the
UV tubes
after
1000 – 1500 operating hours as the UV intensity
decreases significantly after that time.
To reset the Duty hours of the selected parameter,
press on
the progress bar and hours starts
flashing.
Press the
or
buttons to change the value to
zero. Press on
to store. Press
to go
back to the Duty hours selection parameters.
Reaching the maximum of the recommended
operating hours, the UV tubes must be replaced.
Those items will be temporary indicated on the
main screen tagged by a sandglass (duty hours
exceeded). When "duty hours exceeded" message
is displayed, press
to reset the duty hours
of the items directly (short cut).
After replacing UV light tubes it is
necessary to reset the hours of duty in the
software manually!
