Function and setup Biometra TRIO
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3.3.2 High Performance Smart Lid
The Biometra TRIO heated lid has been optimized to heat twice as fast as with older
models and thus helps to shorten protocol run times. Moreover the heated lid serves for
two additional essential functions: It prevents the formation of condensed water at the
reaction tube portion located above the block surface level and it ensures reliable con-
tact between samples and thermal block by applying constant pressure. By the inte-
grated clutch mechanism the pressure applied to the reaction tubes is always same re-
gardless of the plastic ware height. The combination of the heated lid shape and the re-
liable contact pressure ensure an even temperature distribution between samples thus
significantly improves the temperature uniformity.
With one press on the front button, the lid gently swings open and arrests in its end po-
sition. By this mechanism the lid cannot fall down and the heated lid is out of the radius
of action when the user is inserting tubes or plates. Thus the risk of injury by violent
pressure or the risk of burn by hot surfaces is prevented.
3.3.3 Display
The Biometra TRIO thermal cycler features a 7" state-of-the-art color touchscreen user
interface. The touchscreen is built-in at a flat angle to ensure reflection-free viewing and
ergonomic programming. For programming PCR protocols the software incorporates Bi-
ometra's proven spreadsheet philosophy and alternatively offers graphical programming.
One touch of a button leads from the spreadsheet to the alternative graphical program-
ming mode. This makes the creation of new programs or editing existing programs fast
and easy.
3.3.4 User-specific quick start function
Many other thermal cyclers offer a so-called "List of latest programs used". In the list of
latest programs used a certain number of PCR programs is collected and offered for
quick start. The list is typically ordered only by date and the user has to search for the
desired program. In contrast the Biometra TRIO software creates a user-specific list and
only the latest programs started by the currently logged-in user are offered for quick
start. Even if a lab member does not use the device for a longer time, the information on
the latest programs started by this user will not get lost.
For maximum convenience the Biometra TRIO software additionally features a program
preview. Before the start of a program the protocol steps are summarized in a clearly ar-
ranged table by the program preview tool. The preview therefore provides a comprehen-
sive overview of the protocol structure without the need to access programming screens.
The program preview is also available before the quick start of programs.
3.3.5 Easy programming
Creating new PCR programs takes much time if for each single step all parameters are
set manually. The Biometra TRIO offers two options for easy protocol creation:
1. Pre-installed program templates
2. Protocol wizard
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