Siemens SITRANS LUT400 - Page 141

General Operation
7.11 Open Channel Monitoring (OCM)
SITRANS LUT400
Operating Instructions, 07/2019, A5E33329501-AC
139
BS- 3680 Thin Plate Rectangular Weir
①
Approach width (B)
②
Transducer
③
3 to 4 x h
max
④
Flow
⑤
Zero Head
⑥
Height (h)
⑦
Crest Width (b)
⑧
Crest Height (p)
* The transducer must be above the maximum head by at least the blanking value (see Near
Range (2.2.4.) (Page 172)).