Graco SaniForce STU Operation page 58

Electro-pneumatic Control Panel Display Screens
Setting K K K - - - Factor Factor
Setting Setting Factor
In order for a batching cycle to accurately
measure product, the K-Factor must be
appropriately set and the system outlet fluid
lines fully loaded.
A calibration routine can be run to
validate/adjust the K-Factor setting.
1. Complete the current Job to reset the batch
amount.
2. Dispense desired test amount of material.
3. Validate the actual amount of material
dispensed (volume or mass).
4. Calculate and enter the new K-Factor:
NOTE: If using "Pulse Meter (Mass)" and the
NOTE: NOTE:
product density changes, the K-Factor value
must be re-calibrated. Otherwise, the batch
may not be accurate.
Setting Setting Setting Scale Scale Scale Feedback Feedback Feedback
In order for a batching cycle to accurately
measure product, the 4 mA Mass and 20 mA
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Mass settings for the Scale (Positive) or Scale
(Negative) must be set appropriately.
• 4 mA Mass: Set this value to the actual weight
of the product setting on the scale (including
the container) when the output of the scale
is 4 mA.
• 20 mA Mass: Set this value to the actual
weight of the product setting on the scale
(including the container) when the output of
the scale is 20 mA.
Although the unloader system only uses
differences in weights during batching, it is
important to use the same container when
setting 4 mA Mass and 20 mA Mass values.
After the values are set, the actual weight of the
container is not important.
NOTE: If product density changes, the 4 mA NOTE: NOTE:
Mass and 20 mA Mass values must be re-set.
Otherwise the batch may not be accurate.
3A5416L