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Author | Comment | Last activity | Moderation | ||
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warren | " Noting as a reference, this interesting video on making maps of conductivity data! @mimiss " | Read more » | over 4 years ago | |||
Bronwen | "Lots of Public Labbers have used the Coqui (a simple DIY conductivity sensor)-- you can read more about it here: https://publiclab.org/wiki/coqui ...." | Read more » | over 4 years ago | |||
warren | "Awesome!!! " | Read more » | over 5 years ago | |||
MadTinker | "Ran across this article that discusses at a high level the relationship between salinity, TDS, and conductivity. Reference . It specifically mentio..." | Read more » | over 5 years ago | |||
MadTinker | "Confirm? Hmmm... well, I have two data points, both of which coincidently use the same multiplier on EC to get TDS. From discussions with folks wh..." | Read more » | over 5 years ago | |||
warren | "@stevie - maybe this could at some point be a good kit for students to use? Pretty cool, @MadTinker !! Interestingly the TDS pen also converts to ..." | Read more » | over 5 years ago | |||
MadTinker | "An quick update: The TDS sensor from DFRobots performs as describes. Very easy to connect to the MiniPearl logger. In general, it collects a voltag..." | Read more » | over 5 years ago | |||
Ag8n | "You hit the nail on the head with auto correct. Good luck with your project. " | Read more » | over 5 years ago | |||
MadTinker | "@Ag8n - yes, I saw the other discussion, but it had seemed to go on a tangent. ‘crazy’ @cfastie I think hits it right on the head (gotta love that ..." | Read more » | over 5 years ago | |||
Ag8n | "There are several other previous questions that discuss this. But crazy is is correct, all tds meters are conductivity meters. One side note- ther..." | Read more » | over 5 years ago | |||
cfastie | "I agree that the DFRobot TDS sensor looks like a useful device at a good price. My lame understanding is that this and other sensors which purport ..." | Read more » | over 5 years ago | |||
WaterGeek | "Great work and super useful for citizen's looking to track the quality and state of open water. We've been looking into something like this for dri..." | Read more » | over 5 years ago | |||
MadTinker | "I would add the following: alkalinity, hardness, and perhaps ORP " | Read more » | almost 6 years ago | |||
WhiteRabbit | "You'll probably need to correct for differences in sample temperature. i.e. temperature will affect the conductivity of the salt solution. So, to..." | Read more » | about 9 years ago | |||
DavidMack | "seems like a good approach. maybe specify the type of salt: fine sea salt, table salt (with iodine), kosher salt (no iodine), or Himalayan pink sa..." | Read more » | about 9 years ago | |||
neilh20 | "Hi Don, looks great procedure, and while not knowing if it actually works - it does give a procedure for establishing a range for a specific set of..." | Read more » | about 9 years ago |