Vetek X Series, Operating Instruction, Page: 8 / 80

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3. START THE BALANCE UP
3.1. Conditions of proper usage
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Set the balance on stable table, far from vibrations
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The balance should be replaced far from draughts and air breeze
−
The balance should be in stable temperature and humidity room
−
The balance should be replaced far from sources of
−
Temperature in the room +18
°
C
÷
+30
°
C ( AS /X)
−
If the static electricity has influence on the balance indications it base should be
earthed. Earthing screw is in the rear part of the balance base
−
The balance should be replaced in leveled position
−
Before pipettes calibration and after assembling the set start the balance with
empty pan on (without container). When zeros come up on the display put the
container on the pan and after stabilization press
ESC/ZERO TARA .
3.2. Set level up
After replacing the balance in the place of usage the balance should be leveled. The
correct leveling is shown on the level indication installed at the rear of the balance. The air
bubble should be in the centre position of the indication.
3.3. Warmin up
Before measurements user should wait untill the balance reaches temperature
stabilization. It is warming up time.
For analytical balances warming-up time is about 1 hour. This periods refers to the
balances which ware in surrounding temperature (work) before start weighing.
If the analytical balances are kept in lower temperature(for example in winter time) before
weighing the warming-up time is about 8 hours and for precision balances it is about 2
hours.
During warm-up stabilization the indications can change.