INFORMATION DATA WHEN CHOOSING EQUIPMENT
Flowmeters
a) Data about the fluid to be measured:
 - what is the fluid and its concentration___________________________________
 - flow range required: volumetric__________liters/hour, masic_______kg/h
 - fluid pressure: min.__________________ max.____________________bar
 - fluid temperature: min.______________ max._______________
 - viscosity at the above temperatures____________________________centipoise
 - fluid conductivity__________________________(for liquids only)
 - fluid density at working conditions: ____________________________kg/m3
 - is the fluid transparent? Y - N - 
 - is the fluid abrasive ? Y - N - . If yes, percent of solids in liquid is ____________ and  their 
  size range_______________
 - is it corrosive? Y - N - pH value________________
 - is fluid solidification possible? Y - N - 
b) Piping data:
 - pipe size: ___________________mm
 - piping orientation:
              vertical
              horizontal
 - straight pipe length before flowmeter: ______________m
 - straight pipe length after flowmeter: ______________m
 - is the pipe full with fluid (for liquids only)? Y - N -
 - piping connection:
                  flange___________
                  thread___________
                  sanitary_________
c) Meter requirements:
 - flowrate measurement -
 - totalizer - 
accuracy___________%FS
 - dasplay
               local -
               remote -
 - outputs:
               4-20 mA
               serial 232/485 or Hart/Fieldbus
               limit switches:____________________________
 - environmental requirements: IP__________ / Explosion class____________