Figure26 . Lengthsanddatum; Appendix C. Calculation Of Wld- And Ref. Datum - Xylem MJK Chatter Hardware Installation User Manual

Appendix C. Calculation of WLD- and Ref. Datum

Thefollowingexamplesillustratehowyoucancalculatethewaterleveldatum
(WLD)inrelationtothecablelengthandthereferencedatumofabore .
Example:Aborehasthefollowingcharacteristics:
• Referencedatum:
  
• Cablelength:
• Sensordepth:
• MeasurementfromDB:

AppendixC .CalculationofWLD-andRef .Datum
Data Logger
34 .76m(thelevelatwhichtheChatter
 baserestsonthepipe/borehead)
 25 .0m
 24 .9m(cablelength-10cm)
7 .65m
Reference
datum
Figure26 . LengthsandDatum
Sensor
depth
Water
level
datum
43
Connector=10cm
Cablelength
onlabel