Australia's Science Forum

Hi all, Does any one have a Dissolved CO2 monitor, or have thoughts on one?

We use Vernier sensors and only have a gaseous CO2 sensor. However they don’t routinely make a dissolved CO2 sensor.

However I’ve just discovered that PASCO make a waterproof semi-permeable sleeve for their gaseous CO2 sensor – so it can be used as a dissolved CO2 sensor! (https://ciderhousetech.com.au/product/w ... o2-sensor/)

So I’m wondering if anyone who uses PASCO used this waterproof sleeve with their gaseous CO2 sensor? Were the results for dissolved CO2 any good?

Any suggestions on alternatives also welcome!

Thanks!
Kim.

Yes we use these all the time and have a class set. We used then on a regular basis for CO2 gas and probably 4 times per year for dissolved. So we only purchased 5 sleeves for our sensors. They are so easy to use and have very good repeatable results. If you have the cash, a good investment. You run them through Sparkview which is free downloadable software from Ciderhouse or the Pasco website. I have not heard a bad thing about them as yet and many schools we interact with use them.

Thanks so much for the feedback Anna, that is good to know!