Difference between revisions of "Electric conductivity - WTW cond340i"
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==Advantages:== | ==Advantages:== | ||
| − | * | + | *800 measurements can be stored and later downloaded |
*you can choose the temporal resolution of automatic measurements | *you can choose the temporal resolution of automatic measurements | ||
*can also be installed in the field and log continuously for several days (depending on the chosen temporal resolution) | *can also be installed in the field and log continuously for several days (depending on the chosen temporal resolution) | ||
==Disadvantages:== | ==Disadvantages:== | ||
| − | Sometimes the connection between laptop and EC meter fails while downloading the data and a number of datasets is not transmitted. | + | Sometimes the connection between laptop and EC meter fails before or while downloading the data and a number of datasets is not transmitted. |
| − | + | Uninstalling AND re-installation of the software or downloading 2 or 3 times ensures that you have the complete dataset on your computer (but you might need to combine the files). | |
| + | Functions like configuring and starting the logging need awkward key-combinations that are hard to remember. | ||
==What to watch out for:== | ==What to watch out for:== | ||
see disadvantages | see disadvantages | ||
| + | If you want 5 sec logging interval, choose <nowiki>>> 5 '' <<, not >> 5 ' <<</nowiki>. Obvious you think? So did we. Several times. | ||
the cell constant has to be recalibrated periodically | the cell constant has to be recalibrated periodically | ||
| Line 31: | Line 33: | ||
==Links== | ==Links== | ||
Projects that used the above equipment: | Projects that used the above equipment: | ||
| − | *http://brandenburg.geoecology.uni-potsdam.de/projekte/malalcahuello/index.php | + | *[http://brandenburg.geoecology.uni-potsdam.de/projekte/malalcahuello/index.php Malalcahuello] |
Other related web sites: | Other related web sites: | ||
| − | * wtw: [ | + | * wtw: [https://www.uvm.edu/bwrl/lab_docs/manuals/WTW_340i_Conductivity_%28long%29.pdf Manual] |
| + | * newer model: [[ Electric conductivity - WTW 3310 ]] | ||
==References== | ==References== | ||
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[[Category:Equipment]] | [[Category:Equipment]] | ||
[[Category:Water quality]] | [[Category:Water quality]] | ||
| + | [[Category:Electrical Conductivity]] | ||
| + | [[Category:Temperature]] | ||
Latest revision as of 16:03, 24 April 2015
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Parameter to be measured:
Electric conductivity (EC)
Method:
handheld EC meter
Equipment:
WTW cond 340i
Advantages:
- 800 measurements can be stored and later downloaded
- you can choose the temporal resolution of automatic measurements
- can also be installed in the field and log continuously for several days (depending on the chosen temporal resolution)
Disadvantages:
Sometimes the connection between laptop and EC meter fails before or while downloading the data and a number of datasets is not transmitted. Uninstalling AND re-installation of the software or downloading 2 or 3 times ensures that you have the complete dataset on your computer (but you might need to combine the files). Functions like configuring and starting the logging need awkward key-combinations that are hard to remember.
What to watch out for:
see disadvantages If you want 5 sec logging interval, choose >> 5 '' <<, not >> 5 ' <<. Obvious you think? So did we. Several times.
the cell constant has to be recalibrated periodically
Problems/Questions:
Links
Projects that used the above equipment:
Other related web sites:
- wtw: Manual
- newer model: Electric conductivity - WTW 3310