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Acoustic Flow Measurements
Acoustic flow metersquestionnaire
Site Details
General Information
Company name: End user:
Contact person: Tel:
Address: Email:
Project name:
Project number:
In order to assess your measurement conditions correctly to find the suitable solution for your measurement task, we kindly ask you to answer the following questions. The more information we have, the better we can choose the appropriate device. Please return the filled-in form to [email protected] Thank you.
1. Measurement Type 2. Channel/Pipe Shape
o River
o Waste water, Plant influent
o Waste water, Plant effluent
o Pumping station
o CSO
o Sewer / Storm pipe
o Pressure pipe
o Irrigation channel
o Hydro power plant (Penstock)
o Efficiency testing (Turbine)
o Other (give details):
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
o Round radius
radius: ...............................
o U-Shape
radius: ...............................
height: ...............................
o Rectangular
width: ...............................
height: ...............................
o Trapezoid
width top: ...............................
width bottom: ...........................
height: ...............................
o Egg-Shaped
radius: ...............................
height: ...............................
o Natural Channel (provide drawing and cross section)
o Other (provide drawing or sketch of the application site)
3. Channel / Pipe Material 4. Type of fluid Conditions
o Concrete
o Steel
o Clay
o Epoxy coated
o PVC
o Natural channel
o Other:
.................................................................................................................................
.................................................................................................................................
o Raw sewage o Air bubbles in the fluid
o Treated waste water o Air on top of the fluid
o Raw / Surface water o Other:
o Domestic water
o Process water
o Other:
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
05/2019 – Questionnaire
r
hr
width
h
h
width top
width bottom
r1
h
r 2
providedrawing &
cross section
05/2019 – Questionnaire
5. Hydraulic details
Min. level: ................................................................................................................
Average level: ......................................................................................................
Max. level: ...............................................................................................................
Max. flow velocity: ...........................................................................................
Min. flow velocity: .............................................................................................
Pressure nominal: o PN ......................................................................
Temperature: .......................................................................................................
Flow direction: o normal (no backflow)
o bi-directional
Surcharge / Backwater expected:
..........................................................................................................................................
Impurities (e.g. chemicals, acids) please describe:
..........................................................................................................................................
Sedimentation: ...................................................................................................
o constant .............................................................................................................
o variable ...............................................................................................................
o Sediment load: ..............................................................................................
Straight run upstream: ..................................................................................
downstream: ..........................................................................................................
Gradient: ...................................................................................................................
Disturbance point & Distance from Measuring point
o Elbow, T or Y junction .............................................................................
o Valve ......................................................................................................................
o Pump ....................................................................................................................
o Entrained air ..................................................................................................
o Bends ...................................................................................................................
o Change of shape ..........................................................................................
o Weir/flume ......................................................................................................
o Algae growth . .................................................................................................
o Other:
...................................................................................................................................
...................................................................................................................................
6. Accuracy requirement
o expected/desired: ...................................................................................... o tolerable: .........................................................................................................
7. Transmitter
Distance between sensor and transmitter .......................... (m / ft)
Power Supply: o 12 VDC o 24 VDC o 85-260 VAC o Other: ....................................................................................................
8. Transducers 9. Outputs
o wetted or o non-contact
cable length: .........................................................................................................
o analogue o pulse o alarm
alarm threshold value: o min. flow o max. flow
10. Installation
Access available: o yes o no
Access: o Manhole o Chamber o Vault
o Pipe / Channel → Can it be emptied? o yes o no
11. Data transmission
o GSM o GPRS o Profibus DP o MODBUS o Ethernet o ........................................................................................
12. Additional information you would like to share
...........................................................................................................................................................................................................................................................................................
...........................................................................................................................................................................................................................................................................................
...........................................................................................................................................................................................................................................................................................
o We have attached a list with technical specificationso We have attached ............................ drawings o We have attached ............................ photos of installation site o We have attached .............................................................................................
05/2019
→ gwf.ch
AG02-F1092tc AFM application questionnaire_EN
HeadquarterGWF MessSysteme AGObergrundstrasse 1196005 LucerneSwitzerland
T +41 41 319 50 50F +41 41 310 60 [email protected]
GWF Technologies GmbHGewerbestraße 46f87600 KaufbeurenGermany
www.gwf-technologies.de
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