Khafagi Venturi - Siemens SITRANS LUT400 Operating Instructions Manual

Khafagi Venturi

transducer*
Front View
* The transducer must be above the maximum head by at least the blanking value (see
Range
).
Application information
• Similar to Parshall flume except that the floor is flat bottomed and the sidewalls are
curved.
• For rated flows under free flow conditions, the head is measured 1 x (channel width)
upstream from the beginning of the converging section.
2.15. 1 . Primary Measuring Device (PMD)
2.15.3.2. Flow Exponent
2.15.3.3. Maximum Head
2.15.3.4. Maximum Flow at 20 mA
2.15.3.7. Flowrate Units
a
2.15.4.1. K Factor
a.
Required for exponential device absolute calculation only.
Page 104 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Plan View
channel
width
Side View
Zero
Head
Parameter
1x
channel
width
Value
Exponential Devices
1.55 (Consult your flume documentation.)
flow
2.2.4. Near
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