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Calibration
After WW100 has been properly installed, calibration of the weighing system must be
done in conjunction with the integrator. Refer to the integrator instruction manual for
programming and calibration. A program sheet has been provided with the weighfeeder
detailing the entries used during factory calibration. The calibration is initially done using
the supplied test chain
Test Load
The test load value for your SITRANS WW100 is based on the number of chain strands.
Zero
Perform the zero calibration as described in the Calibration section of the integrator
manual. Zero calibrations should be at least three belt revolutions or five minutes,
whichever is longer.
Span
The test load used in the calibration procedure is the test chain provided.
Perform the span calibration as described in the Calibration section of the integrator
instruction manual. Span calibrations should be at least three belt revolutions or five
minutes, whichever is longer.
Refer to the illustration below for calibration chain placement. After the span calibration
has been completed, remove the test chain and store it.
1.
For models with skirtboard covers, the cover will need to be removed for test
chain calibration.
Page 12
SITRANS WW100 - OPERATING INSTRUCTIONS
1
. Material tests are recommended to achieve maximum accuracy.
chain strand(s)
1
2
3
test load
2.41 kg/m (1.62 lbs/ft)
4.82 kg/m (3.24 lbs/ft)
7.23 kg/m (4.86 lbs/ft)
7ML19985MN01
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