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 60 of 192. communications cable (an option) and perhaps a battery recharqer to be operable gi ven an existing suite of transducers. Facili ty exists for modem attachment and solar battery recharge. The non-volitile memory module may be removed from tt.e logger without loss of data. Improvemer..ts 1.n the two logging interv.9.1 are desired. point calibration scheme and User input slope and offset factors are preferred since there is versatility offered by this calibrating method. Firstly, logger inputs do not need to bE: specified instance T if a for particular transducers suite of transducers (with beforehand. known slope For and offset factors previously determined) \>fere available for a single logger i an appropriate transducer could then be selected for each specific task. In addition to this, it is considered that calibration using a number of points (ie. depths of water) would increase the accuracy of the factors determined.i?ecalibration of the retrieved data could be possible if the appropriate factors were recorded. Complete pow'er-down of the unit will resul t in the loss of the operational parameters and also the calibrated settings of the transducer inputs. In the field situation, this will mean that re-calibration will need to be conducted. This is best lichieved in the test bore at depths near to the range limi ts of each transducer. Direct input of calibration factors would eliminate this particular concern. logged data is retained on the Eprom. only the The logging interval desired is not usually linearly scaled for test pumping purposes. A logarithmic scale is preferred, however since there is more than adequate memory available for test pumping requirements, this 1.S not a priority issue. 'l'he input:3 type and make and output on the logger are a screwed bayonet a positive connection. However, attempts to acquire spare connectors have indicated these are uncommon at the present t~,me. When in stock, only two agents distribute


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