Almost no calibration is needed for commercial electronic balance scales. Direct-drive servo motor contributes to accuracy and provides maintenance-free operation, says the manufacturer.
GEI Intl. Inc: Auger filler
The servo-driven 1100DAB auger filler from GEI Intl. (Exton, PA) uses a bulk-and-trim filling method to hold fill weights to within ±0.25% of the target.
Jan 31st, 1999
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