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Old 10/08/2018, 06:09 PM   #1
Macca_75
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Join Date: May 2008
Location: Melb, Vic, AU
Posts: 117
Measuring Conductivy questions

Morning all,

I am trying to setup a new to me Profilux 3 Ex.

I have connected the Conductivity probe and have a few questions. I gave the probe a soak in vinegar and wiped the contacts gentle with a bottle brush.

I am getting a reading however it seems way off. Currently it is around 5.2mS

Looking at https://www.hamzasreef.com/Contents/...Conversion.php this equates to about 1.0021 sg. The tank is currently at 1.024 sg.

I am not sure what all the probe settings should be.

Also, I cannot chose the display unit as sg. The only options I have are mS, PSU and kg/l.

I am running firmware 637


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Old 10/09/2018, 06:39 PM   #2
Macca_75
Registered Member
 
Join Date: May 2008
Location: Melb, Vic, AU
Posts: 117
So I managed to get a more accurate reading (I think).

As I didn't have any calibration liquid on hand I simply used my tank water as a 50mS calibration.

I know it isn't exact, however I suspect I can now use the value for trending (is it more/less or stable). I will test this tonight by removing the probe and putting in some RODI water - hopefully it drops.

I still can't get the display to be in specific gravity - anyone know if this is available in firmware 6.37?


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