Opening and Closing
the Draft Shield K
Purpose
The Genius balance is a high-resolution
weighing instrument. It has a draft
shield so that convection currents can-
not affect the weighing result. To load
a sample on and remove it from the
weighing pan, a draft shield door must
be opened and closed. You can do this
in various ways, depending on the
menu setting you select.
Features
– The draft shield doors can be opened
and closed at any time, regardless of the
application used
– The draft shield doors can be opened
and closed by pressing the respective
keys, by activating an external switch or
by sending a command to the balance’s
interface port
– The draft shield doors can be set so that
they operate automatically in one of the
following ways when a specific balance
function is performed, such as taring
(zeroing):
– Close automatically
– Close automatically, then open
This function can be deactivated.
If not, the draft shield doors will close
automatically if the balance has not
been used for 2 minutes (protects
chamber from dust).
– The function “Close draft shield auto-
matically when function is activated”
can be combined with functions and
applications that require the “with
stability” parameter in order for weights
to be accepted:
– Turn on the balance (tare when the
power goes on)
– Tare after stability
– Print on request after stability
– Start all adjustment functions
– 2nd tare memory
– Manual weight storage mode for the
following functions:
– Counting, weighing in percent,
recalculation, density determination,
differential weighing
– Checkweighing, time-controlled
functions with storage mode
– Totalizing, formulation, statistics
– A lower weight resolution is possible
when the draft shield doors are open.
– The left and right K keys for operating
the draft shield doors can
– have the same function
– have separate functions
– be switched off.
Draft Shield on ME215|235|414|415|614:
– You can define which draft shield
door(s) will open and close when you
press the left or right K key (the Genius
balance has a self-teaching capability)
– If a door encounters an obstacle while
moving, the following will happen:
– While opening: the door will stop
– While closing: the door will re-open
Factory Settings of the Parameters
Left/right draft shield keys:
Same function
Automatic mode: Off
Weight resolution when door is open:
Show all decimal
places
43
Device Parameters
Draft Shield on ME5 | SE2
– You can define the function of the draft shield
Setup, draft shield keys:
Keys Same function Different (separate) function
O , P key – Opens according to – Opens 100° clockwise
– predefined – Closes
– opening position
– Numeric input of the
– aperture
– Closes
Numeric keys + O , P key – Enter and save value for No function
– aperture
– 44° – 181°: Opens counter-
– clockwise
– 182° – 316°: Opens clockwise
– 0° – 43°: Deletes stored value
Numeric keys + Counterclockwise opening No function
P key aperture between 46° and 180°
Learning mode Yes; define desired opening No
position manually
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