User's guide
6. Operation
6.1. Zeroing the Display
You can press the
other weighing and counting is measured, within +/-2% of power up zero. This
will usually only be necessary when the platform is empty. When the zero point
is obtained the display will show the indicator for zero.
The scale has an automatic rezeroing function to account for minor drifting or
accumulation of material on the platform. However you may need to press the
key to rezero the scale if small amounts of weight are shown when the
platform is empty.
6.2. Taring
Zero the scale by pressing the
on.
Place a container on the platform, a value for its weight will be displayed.
Press the
as the tare value and that value is substracted from the display, leaving zero on
the display. The "NET" indicator will be on. As product is added only the weight
of the product will be shown. The scale could be tared a second time if another
type of product was to be added to the !rst one. Again only the weight that is
added after taring will be displayed.
When the container is removed a negative value will be shown. If the scale was
tared just before removing the container this value is the gross weight of the
container plus all product that was removed. The zero indicator will also be on
because the platform is back to the same condition it was when the
was last pressed.
6.3. Weighing a sample
To determine the weight of a sample !rst tare the empty container then place
the sample in the container. The display will show the weight and the units of
weight currently in use.
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Indicator
key at any time to set the zero point from which all
key if necessary. The zero indicator will be
key to tare the scale. The weight that was displayed is stored
Model BR30
key