Territory Stories

Electronic Data Collection and Analysis System

Details:

Title

Electronic Data Collection and Analysis System

Creator

Yin Foo, Des; Foley, Margaret

Collection

E-Publications; PublicationNT; E-Books; Report ; 39/1992

Date

1992-08-01

Description

Made available via the Publications (Legal Deposit) Act 2004 (NT).

Notes

Date:1992-08

Language

English

Publisher name

Power and Water Authority

Place of publication

Darwin

Series

Report ; 39/1992

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/229024

Citation address

https://hdl.handle.net/10070/673447

Page content

Technical Report WRD92039 Viewed at 15:07:17 on 29/07/2010 Page 111 of 192. where very accurate measurements of period (and hence flow) could be made with a Westdata 389 logger operating in the perlod mode. 48 A Westdata barometric sensor cO!Ulected either to a single channel \Vestdata logger or to the multichannel iO!(ger monltoring water properties would be cheaper than. and as accurate as. any other allemaUve for barometric recording. Alternatively. if PAWA staff forsee that pump test.s involving a pumped bore and only a single obselVation bore will be a common occurrence they may wish to purchase a Mindata barometric sensor. While this alternative is more expensive. it will allow for the use of only one logger in this simplest of pump tcst setups (the 4th channel would mOnltor the 4-20 rnA output of a flm"rneter). Software The system suggested above is modular and hence can be as simple or complex as the occaSion demands. It is deSigned to be as easy to install and use as posible while preservJng accuracy. flexibility and cost. A set of software will need to be written 10 allow for information from aU parts of the system describ<:d above to b" pooled into a coherent form SUitable for plotting and mathematical analYSiS. It ls not intended to discuss the software details in this report. though its capabilities will need to inciude some of the following features. Assuming that the system is as outlined above: (i) both Mindata and Westdata logging outputs will need to be read: (til if Westdatn loggers are downloaded and restarted. subsequent logger records will need to be JOined into a single record pertaintng to one hole; [ili) if a transducer is moved down during a test to accommodate greater-than-e.xpected d,awdown. thls shift in logger readingS (either Mindata or Westdaral will need to be c:orn.'cted for: (jv) data gathered up until a speCific tinl" shou'ld be able to be plotted for inspectlon. with the responses of a number of bores being plottable on the same graph: (v) water levels taken manualPJ or 110wrates measured with the discharge orifice plate should be useable for transducer or flo",meter output calibration.


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