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Models and Options
Tip type & liquid level monitoring
The CAS-1200 uses one of two methods to
monitor the amount of liquid in each tube during a run; Liquid Level Tracking (LLT) or Liquid Level Sensing (LLS).
LLT is standard and uses software to track and predict liquid levels. LLT uses Capp™ style tips supplied in racks with removable covers. This format enables different users to supply and remove their own tips, a particular benefit when the robot is a shared resource.
LLS is optional and uses conductive (black, carbon-impregnated) Tecan® Genesis® style tips to electronically detect liquid levels in real-time during a run. LLS can detect as little as 10 µL in a 0.2 mL tube.
Conductive tips cost a little more and are normally supplied without covers in “pallets” of 96 tips which attach to a metal support frame.
UV light sterilization
An optional UV light system automates sterilization of deck surfaces between runs. To ensure light reaches all areas, the robot arm is programmed to move during the procedure so that it casts no permanent shadow. The time of irradiation can also be adjusted.
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HEPA filter
An optional High Efficiency Particulate Air (HEPA) filter provides positive clean air pressure within the closed hood. Air filtration is important for some applications (for example where fungal spores are problematic) but as with any air filter system, it cannot prevent amplicon contamination in a post- PCR liquid handling environment. The integrated system uses disposable filter cartridges that can be changed in seconds.
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