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11.2.11. Dual Range Balance (PS 200/2000.R2)
The balance is a dual range weighing instrument. The accuracy of the I weighing range is
d
1
=0.001g, and of the II weighing range it is d
2
=0.01g.
Switching from weighing with the accuracy of the I weighing range to weighing with the accuracy of
the II weighing range takes place automatically on exceeding Max
1
200g (no user activity needed).
On switching to weighing with the accuracy of the II weighing range,
symbol is displayed on the
left, an additional marker of last but one digit of the weighing result is displayed too.
From now on the balance weighs mass with the accuracy of the II weighing range.
To return to weighing in the accuracy of the I weighing range:
• take the weighed load off the weighing pan,
• as the indication returns to zero and pictograms →0← and are lit, press button,
The balance returns to weighing with the accuracy of the I weighing range, and II weighing range
pictogram and marker of the last but one digit are blanked.
11.2.12. Under-Pan Weighing
In standard analytical and precision balances, loads can be weighed under a weighing pan. Such
means of operation requires placing a balance in an uplifted position. RADWAG offers a rack for
under-pan weighing. The rack is an optional equipment offered for PS series balances.
For under-pan weighing follow below procedure:
• Remove plastic hole plug located in the balance base,
• Under the plug you can find a special holder with an opening dedicated for suspending the load
(fixed permanently)
• The opening is used for fixing a hook intended for either load or a dedicated weighing pan,
once depositing a load one can start weighing
• Upon completing under-pan weighing, put the plastic plug back onto its place.
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