Honeywell SMV 3000 Benutzerhandbuch
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SMV 3000 Transmitter User’s Manual
71
6.9
FlowConf Configuration - PV4,
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About LRV and URV
The LRV and URV set the desired zero and span points for your
calculated measurement range as shown in the example in Figure 24.
calculated measurement range as shown in the example in Figure 24.
Figure 24
Typical Volumetric Flow Range Setting Values
Typical Range Configuration for Volumetric Flow
LRL
LRV
LRV
SPAN
URV
URL
0
325
650
975
1300 m3/h
Range Limits
Measurement Lower Range Upper Range
Span
Range
Value
Value
0 to 1300 m3/h 0 to 650 m3/h 0 m3/h 650 m3/h
650 m3/h
ATTENTION
•
The default engineering units for volumetric flow rate is cubic meters
per hour and tonnes per hour is the default engineering units for mass
flow rate.
per hour and tonnes per hour is the default engineering units for mass
flow rate.
•
The URV changes automatically to compensate for any changes in the
LRV and maintain the present span (URV – LRV).
LRV and maintain the present span (URV – LRV).
•
If you must change both the LRV and URV, always change the LRV
first.
first.
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