9USER MANUAL
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8. Operation principles
1. To ensure proper weighing accuracy the balance is equipped with internal
calibaration system. The system automatically calibrates the balance every 2 hours
and with temperature changes (more than 1°C) without user ingerence.
Nevertheless, it is advised to check balance accuracy with weight standard (or other
object with known weight) before and after each series of measurements.
2. Weighed sample should be placed in the centre of the pan.
3. In direct sale use (d=e), make sure that zero indicator is displayed. If not, press
→
0
←
key and wait until zero indication and zero indicator appears. In other
balances the key does not operate.
4. The balance is equipped with a tare equal to its range. To tare the balance press
→
T
←
key. Storing a tare value does not extend measuring range, but only
subtracts it from a load placed on a pan. To make weight control easier and to avoid
range overdrawing, the balance is equipped with a load indicator (graduated in
percentages).
5. Weighing result should be read when the indicator "" lights, which signalises
stabilisation of a result.
6. When the balance is not used but it is necessary to be ready to work immediately, it
can be switched off by pressing I/key. The balance reading system is then
switched off to "standby" mode (signalled by the indicator "OFF"). To switch the
balance on press I/key. The balance is immediately ready to operate maximum
accuracy (after self tests).
7. The mechanism of the balance is a precise device, sensitive to mechanical strokes
and shocks.
Before transportation take off the pan (move it slightly and lift it up) and the
pan base and preserve from any damages.
Do not overload the balance more then 20% of maximum load (Max).
Do not press a pan with a hand.
8. The balance should not be used to weigh ferromagnetic materials due to
accuracy decrease.
9. When the balance is moved to another localisation remember to level the
balance and proceed with internal calibration.
