Siemens SITRANS LUT400 Series - Page 363

Page 50 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS 7ML1998MV01
mmmmm
Commissioning
Calculation factors:
Flow Exponent
(PMD = EXPONENTIAL DEVICES)
The exponent for the flow calculation formula. (See Method of Flow Calculation on
page 268
.)
K Factor
(PMD = EXPONENTIAL DEVICES)
The constant used in the flow calculation formula for absolute calculation of an
exponential device only.
V-Notch Angle
(PMD = THIN PLATE V-NOTCH WEIR)
The V-Notch angle used in the flow calculation formula.
Slope
(PMD = TRAPEZOIDAL FLUME or ROUND PIPE)
The Flow Slope used in the flow calculation formula.
Roughness Coefficient
(PMD = ROUND PIPE)
The Flow Roughness Coefficient used in the flow calculation formula.
Notes:
• The following five parameters will display in the wizard based on the PMD
selected above.
• These parameters are used in the flow calculation formula (see
Method of Flow
Calculation on page 268).
Value
Range: -999.000 to 9999.000
Default: 1.550
Value
Range: -999.000 to 9999.000
Default: 1.000
Value
Range: 25.000 to 95.000
Default: 25.000
Value
Range: -999.000 to 9999.000
Default: 0.000
Value
Range: -999.000 to 9999.000
Default: 0.000