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O p e r a t i o n l
4 - 6 5
4
Opera
tion
S e t u p S c r e e n s
( c o n t i n u e d )
Calibration
This page is for calibration of the batch weigh
hopper mounted above the mixing chamber.
Calibration is the process by which the tare
weight of the hopper is determined. In order to
determine the weight of material in the hopper,
two weight readings are required, an empty hop-
per weight, and a hopper weight with some
known weight present. This linear relationship
can now be used to calculate the amount of mate-
rial present in the hopper.
First the tare weight of the empty hopper is determined. Then the exact value of a test
weight is entered into the system. Place the known test weight inside/on the hopper. Now
allow the system to get a reference of a known weight. Remove the test weight. From these
reference points it is now possible to accurately determine the weight of material in the hop-
per.
The basic batch hopper calibration settings are:
NOTE:
The system must be stopped before the
calibration process can begin. The level of
security required for calibration is config-
urable on the <Security> screen.
✐
Parameter
Default Range
Security
Description
Zero Weight AD
Value
0
[0:-]
Operator/Stop The calibration factor for an empty weigh batch hopper bin.
Test Weight (lb)
5
[0:100]
Operator/Stop The value of the precision test weight used to determine the sec-
ond calibration factor (Test Weight AD Value).
Test Weight AD
Value
1
[0:-]
Operator/Stop The calibration factor for a batch hopper bin containing a known
weight.
(Continued)
Summary of Contents for TrueBlend SB-4
Page 6: ...iv l Table of Contents...
Page 38: ...3 10 l Installation...
Page 134: ...4 96 l Operation...
Page 160: ...6 10 l Troubleshooting...
Page 165: ...Appendix l C 2 Hole Locations for Blow Off Kit...
Page 168: ...D 3 l Appendix...