PMDs with Exponential Flow to Head Function

For Primary Measuring Devices (PMDs) that measure flow by an exponential equation, use these parameters. Ensure that you use the correct exponent for your PMD; the values below are samples only.

Standard Weirs

Transducer

3 to 4

hmax

h

Weir Profile

Open Channel Monitoring MR 200

Applicable Weir Profiles

V-notch or

suppressed

cipolleti or

sutro or

triangular

rectangular

trapezoidal

proportional

Parameter

Index

Value

 

P600

G

1 - Exponential Function

 

P601

G

Weir Type

Value1

 

 

V-notch

2.50

 

 

Suppressed rectangular

1.50

 

 

Cipolletti or trapezoidal

1.50

 

 

Sutro or proportional

1.00

P603

G

Maximum Head

 

P604

G

Maximum Flow

 

P606

G

Time Units

 

P801

G

Range Extension

 

1.Values are samples only. Consult weir manufacturer’s documentation for correct flow exponent.

7ML19981FB06

MultiRanger 100/200 – INSTRUCTION MANUAL

Page 79

Page 89
Image 89
Siemens 200 instruction manual Applicable Weir Profiles, Standard Weirs, P600 Exponential Function P601