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 44 of 192. and may be considered for trialling in a variety of pumping S:L tuations when the smaller (27mm aD) sensors become available. (iv) The Nindata) instantaneous measurement type system (eg. indicated more suitability to electrical submersible pumps (and possibly turbine PQmps in general) since pre;:;sure pulses or spikes do not appear to be generated to the same degree as the helical rotor pumps. (v) Conditioning of instantaneous data is required if p'.1mped bore drawdown is to be logged. 'rhe most effective method "mathe:natical" averaging of data of condi tioning ~s by rather than by physical filtering. This would involve post-processing of the data. However, adeqUi'wy of sample size (ie. number of data points), and given that the water level is constantly changing, is a major limitation. The Mindata logger/transducer combination is restricted by the loggers' current specification to log at a minimum of one reading per second, and the trandsducer response time of 300us. The Torrens logger's current option of allowing a number of readings taken one second apart did not appear to give an adequate solution. The Wesdata method of averaging many instantaneous readings over one second is "inbuilt" and overcomes this problem. Design conditioning of is to circuitry be further is required if electrical contemplated. This is to afford adequate protection of the logging device and correct s~z~ng of the capaci t,mce required. 3.3.4f Remote :3ite Testing 3.3.4.1 Long Term Monitoring sites ~~wo systems, a Wesdata and Cherryville (from S. D. S.) ,,[ere trial led over a period of 3 months at a monitoring bore in the


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