Sartorius CH3E, Руководство по эксплуатации

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7
Leveling the Weighing Platform
Purpose:
– To compensate for uneven areas at the
place of installation
– To ensure that the equipment is placed
in a perfectly horizontal position for
consistently reproducible weighing
results
Always level the weighing platform
again any time after it has been moved
to a different location.
§
Level the weighing platform using the
four leveling feet. Turn the feet until
the air bubble is centered in the level
indicator.
§
Check to ensure that all four leveling
feet rest securely on the work surface.
> The load must be equally distributed
over all four feet
§
Loosen the lock nuts on the leveling
feet using a open-end wrench
(spanner).
> Adjusting the leveling feet:
To raise the weighing platform, extend
the leveling feet (turn clockwise).
To lower the weighing platform, retract
the leveling feet (turn ounterclockwise).
§
After leveling the weighing platform,
tighten the lock nuts as follows:
Small platforms (1 load cell): against the
platform frame
Large weighing platforms (4 load cells):
against the platform foot
§
Remove the load plate
§
Loosen the locknuts on the leveling feet
using a 17 mm open-end wrench
(spanner)
> Small platforms (1 load cell):
against the platform frame
Large weighing platforms (4 load cells):
against the platform foot
§
Extend or retract the leveling feet using
a 5 mm Allen wrench (key)
§
After leveling the weighing platform,
refasten the locknuts securely against
the platform frame
§
Replace the load plate
Checking the Geographical Data
Entered for Use in Legal Metrology
(for CW* Models Only):
Preparation
(See also the “Device Information”
menu items listed under “Operating
Menu Overview” in the chapter entitled
“Configuring the Combics”.)
§
Press
e
to turn on the Combics
§
Activate the Setup program:
Press the
M
key
> SETUP is displayed
§
Select “Device-specific information”:
Press the
q soft key repeatedly;
press the O soft key to confirm
§
Specify WP1 or WP2 for the weighing
platform in question:
Press the
q soft key repeatedly;
press the O soft key to confirm
> View geographical data (configured
prior to verification), for example:
Latitude (in degrees):
51 4
Elevation (in meters): 513
5
or
Gravitational acceleration
(in m/s
2 : 9.810 6
The scale can be used in legal metrology
anywhere in Germany if the
geographical data is as follows:
– Latitude: 51.00 degrees
– Elevation: 513 m
This data corresponds to the following
value:
– Gravitational acceleration: 9.810 m/s 2
These values are calculated for Germany
based on a mean value for the Earth’s
acceleration. The greater the precision
of the geographical data entered, the
greater the precision achieved with the
weighing instrument; the tolerance
range, however, is restricted accordingly
(see above).
The tolerances ranges, for example
for a scale with 3000 e, are as follows:
– ± 100 for the latitude, and
– ± 200 for the elevation above sea level.
!
If used outside the specified zone,
the scale must be re-verified for use in
legal metrology. Please contact an
authorized service technician.
Indicators Verified for Use in Legal
Metrology in the EU*
EU legislation requires that a control
seal be affixed to the verified device.
The control seal consists of a sticker
with the “Sartorius” logo. This seal will
be irreparably damaged if you attempt
to remove it. If the seal is broken, the
validity of the verification becomes null
and void, and you must have your scale
re-verified.
* including the Signatories of the
Agreement on the European Economic
Area