Main Title |
Digital Systems for On-Site Collection for Water Quality Analysis. |
Author |
Testerma, M. K. ;
|
CORP Author |
Arkansas Univ., Fayetteville. Water Resources Research Center. |
Year Published |
1970 |
Report Number |
Pub-9; OWRR-A-008-ARK; A-008-ARK(1),; 03782 |
Stock Number |
PB-197 116 |
Additional Subjects |
( Water quality ;
Data processing) ;
( Monitors ;
Water quality) ;
( Water analysis ;
Water quality) ;
Digital computers ;
Data transmission ;
Surveys ;
Water pollution ;
Dissolved gases ;
Temperature ;
pH ;
Conductivity ;
Turbidity ;
Chlorides ;
Remote areas ;
Water pollution detection
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-197 116 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
67p |
Abstract |
A prototype system has been developed for recording and transmitting digital data at a remote water quality monitoring station in an unattended manner. As many as eight analog signals from transducers, which measure water quality characteristics such as dissolved oxygen, temperature, pH, chlorides, conductivity redox, and turbidity, are converted to digital signals and recorded in binary coded decimal format on magnetic tape. This unit may be contacted from a central station for playback of the day's recording. The transmitted data can be recorded at the central station by teletype. Each data record includes a time-of-day 'word' so that all data is identifiable. The techniques developed during this contract period have possible application in many areas of water resource research, particularly for use in making water quality measurements in remote areas or at numerous sites reporting to one central station. (Author) |
NTIS Title Notes |
Rept. for Jul 67-Jun 70. |
PUB Date Free Form |
Nov 70, |
Category Codes |
13B; 9B; 60I |
NTIS Prices |
PC A04 MF A01 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
326515739 |
Origin |
NTIS |
Type |
CAT |