Sartorius LMA316PA Betriebsanleitung Seite 32

WLM6009-a10081
You can select the Overwrite option on a product-specific basis. If all memory cells assigned
to this product have been consumed, the oldest values are automatically overwritten (without
a prompt) with the most recent measured values.
O Note: If, when creating a new product, you find that the programme only allows you to set a low
value for the memory cells, this is because the products which already exist use up all of the
available memory. If necessary, change the memory settings for the existing products to free
memory cells for the new product.
Measurement > Mean
You use this entry to specify the number of results needed to calculate the mean value of each
measuring cycle.
O Note: The entries in MW type and in the AB area provide information only and cannot be edited.
4. Press Apply.
The product has now been created. The moisture and density calibration for the product can now
be carried out.
O Note: The settings for a product can be changed, copied, or printed out. A product can be deleted
again. For information on these points, see the reference guide section, which starts on page 103.
6.4 Compression test
This test must be carried out prior to each calibration of a product which, to a lesser or greater
extent, can be compressed. In the case of products with constant densities (e.g. plate elements),
this test is not absolutely necessary but is recommended. It allows you to form an idea of the raw
values for frequency and width change in order to recognize and eliminate borderline measure-
ments straight away.
Products that can be compressed are loosely packed into the sensor and then increasingly
compressed by shaking or pounding. Each compression state is saved separately. The regres-
sion line which results from the different density points (at uniform moisture) ideally intersects the
AB diagram at its origin. If not, the resulting AB offset must be taken into account for the subse-
quent calibration. If an incorrect AB offset is selected, measurements are not independent of
density.
Prerequisites:
You are logged in with at least level 5 user rights (
1. Choose Service > MW test > Compression test.
2. Select the product to be tested.
To display the dialog for choosing a product, press the product name.
O Note: The currently selected product is indicated by a green tick in the No. column.
3. Press the row containing the name of the product to be tested.
4. Press Apply. You can now start or edit a compression test for the selected product.
5. Press the 2nd display panel and specify the properties for the measurement (
– Determine the amount of memory for measured values.
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LMA316PA / LMA321PA - Calibration
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