conductivity

Hi! Is there anyone else with a Profilux controller powered up from ungrounded socket? I have recently purchased Profilux 4 Mega Set, all seems to work as expected, except for the conductivity probe, which measures weather on the moon - the reading swings anywhere in the 0.99 to 1.035 water...

I have a Neptune Systems Lab Grade Conductivity/Salinity Probe with 3 calibration fluids. Brand new has not been used or taken out of the box. Can ship out as soon as payment is made. Any questions please let me know!

Hello! Wish I was farther along before posting here, but alas my skills have failed me. First off, huge shout out to Rob from Robo-Tank: couldn't have made it this far without him for sure; his insight and support have made this experience really eye-opening and incredibly fun. As an...

The current status can now be found on GitHub You will find an overview of the current status and discussions with links. Also includes comprehensive Links to Sources/Guides, Schematics and Pictures reporting on the progress. I will post progress reports and pictures here as well.

Since Atlas Instruments EC sensors are expensive as hell, I looked around a bit and stumbled upon this DIY build. It basically measures the voltage across a voltage divider, with the resistor under test being a DIY probe: As far as I understand: The circuit uses AC excitation (IC1A on the...

We got my parents old aquarium to give junior a bit of usefull cinema and I get to implement it. I therefore get to play around with technology (especially Reef-Pi) as much as I like ^^ Thought I'd share the project with you and get some usefull input.

Hi to all! I just recently purchased my new Apex and so far I absolutely love it! But, the only problem I am having is that I can’t get my salinity probe to calibrate. When I’m calibrating on step 4 it just times out and can’t seem to get the correct salinity range it needs. Is there any...

PM2 (brand new) and VDM, slightly used. I have no packaging and don't have any probes. I'm asking $70 for the PM2 and $75 for the VDM. I've attached pictures of the modules. I just up upgraded to the apex 2016 so don't really need these anymore. I'm also in no hurry to sell them either. I will...

All prices shipped and payment via PayPal within the Continental USA. Neptune Systems Lab Grade PH Probe New - $50 Neptune Systems Double Junction Lab Grade ORP Probe New - $75 Neptune Systems Lab Grade Conductivity/Salinity Probe New - $110 XR30 Gen 3 Pro LED Modules New - $250 XR30/15...