SDM – Slurry Density Meter
Off-set
After installation, we need to check if the density
value of clear liquid is right. In customer processes
the density may deviate from the real value due
to slightly different circumstances in the process
pipe.
If the value of the clear liquid is incorrect, i.e. for
water 1020, you will need to enter the right
density value of the water 1000. We use the off-
set to adjust this.
Span-factor
When pumping slurry you will need to have a
reference value to verify the accuracy.
If the shown density on the density meter is too
high, i.e. 1350 instead of 1320, we use the span-
factor to adjust this. Simply change the shown
value until it reaches the reference value.
Correct density values
Since Rhosonics uses the acoustic impedance to
measure the density, which is a linear function,
the density meter will now read the correct
density value in between this range (1000 – 1320).
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