Chapter 3 Parameters
Mini-Switch LB 471
Calculating the full count rate via the bulk density:
1
Determine the empty count rate in code 30.
2
Enter measuring path in code 33.
3
In code 35, enter the bulk density (for solids) or the density
(for liquids) under operating conditions in kg/m³.
Example values for densities and bulk densities (at 20°C):
Water: 1000 (kg/m³)
Gasoline: 700 (Kg/m³)
Coke: 600 (kg/m³)
4
Enter -1 in code 31 to calculate the full count rate automati-
cally.
5
Start calibration with code 36.
A full count rate has been calculated in code 21.
Any calculation of count rates is always flawed, but in most cases
it is still sufficient for calibration of the limit value switch.
We recommend reading in the count rates new under operating
conditions, if this is possible at a later time.
Calibration
Start calibration
(Only in the professional mode)
In the professional mode, the device is ready for measurement
only after successful calibration. Start the calibration only after you
have defined all necessary parameters. To start the calibration you
only have to push the Enter button in this code.
Error, see Table 4 on page 36
During calibration, the values you have entered will be checked.
Successful calibration is indicated by a checkmark and the value
0000. If an error number is displayed, then you have to review or
change the respective parameter settings using Table 4.
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