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Palmer Bowlus Flume
①
②
③
④
⑤
Parameter
Primary Measuring Device (PMD) (2.15.1.) (Page 234)
PMD Dimensions (2.15.4.) (Page 239)
Maximum Head (2.15.3.3.) (Page 237)
Maximum Flow at 20 mA (2.15.3.4.) (Page 237)
Zero Head Offset (2.15.3.5.) (Page 237)
Flowrate Units (2.15.3.7.) (Page 238)
Method of Flow Calculation (2.15.3.1.) (Page 235)
Note
Palmer Bowlus Flume can only be set up using ratiometric calculations.
Application information
• Sized by pipe diameter D.
• Flume relief is trapezoidal.
SITRANS LUT400
Operating Instructions, 04/2021, A5E33329501-AG
Flow
Transducer
The transducer must be above the maximum head by at least the blanking value. See Near
Range (2.2.4.) (Page 176).
Zero head
D
D/2, point of measurement for rated flows under free flow conditions.
General Operation
7.11 Open Channel Monitoring (OCM)
Value
Palmer Bowlus Flume
Maximum Flume width h
max
Ratiometric
147
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