Salinity Sensors

mbarnick

New member
I'm trying to read raw data from a salinity sensor to use in a Crestron system. I have been unable to find any aquarium controller product that allows data to be gathered from anything other than their own custom software. Does anyone know of a product that will let me poll data such as salinity and pH through either a serial or LAN port? If not, are there any other options?
 
What exactly do you have?

If it is just a regular conductivity probe, then I'm sure the job isn't out of reach for something like Arduino but you'd probably have to write the code for what you want to do.

My old aquacontroller III will let me communicate by telnet. There are a number of commands for it but I don't remember it all. I know I was at one point pulling the temp and pH out to a computer over the ethernet using those telnet commands. I'm sure you could do the same with a conductivity probe. That might be easier for you than writing a bunch of C code for an Arduino.

I think the web service on the ACIII has an XML you can get too. That would be another option.

The controllers might not make it easy for you, but they can all be hacked.
 
TY, I'll take a look. XML is way to complicated to parse on a Crestron processor. I did find a few products from a company called Omega that sells a pH and EC transmitter. That with their probes and something called a signal conditioner will give 0-10V for each probe, perfect for the Crestron I/O module. Looks good on paper, but I haven't actually used it.
 
I do not own one myself, but I'm pretty sure the Reef Angel controller would allow you to do this. It's an open-source controller based on arduino

reefangel.com
 
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