7. Instrument Controls
Disinfection
Duration - 30min
Duration - 180 min
UVC key - to activate / deac- tivate the disinfection cycle and/or to acknowledge in-
Fig. 35 terruption of a disinfection cycle.
To start disinfection the sliding window must be completely closed.
•Press UVC key once briefly to start the 30 min. mode
•Press UVC key once for a longer time (approx. 4sec.) to start the 180 min. mode
The germicidal UV lamp is a simple and safe disinfection device which considerably reduces the risk of infection.
Nevertheless, UV light disinfection cannot replace chemical disinfection of the cryochamber at regular intervals.
UV light disinfection is effective only on those surfaces that are directly illuminated.
Specimens and section waste must be thoroughly removed from the cryochamber first (e. g. using the optional vacuum extractor, or a paper towel soaked with Cryofect or alcoholic disinfectant). Before UV disinfection, move the
• Leica Cryofect is not available in all countries.
Opening the sliding window cancels the disinfection cycle. Press the UVC key to acknowledge this.
When the keypad lock is activated (via the key button) the UV lamp can be shut off only by opening the glass, as the UV keys are locked.
The cancellation can be acknowledged only if the keypad lock is disabled. Only then can the UV lamp be switched back on.
Leica CM1950 – Cryostat | 35 |
