| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| WhiteRabbit | "Also, FWIW, not all stainless steels are the same. For instance, 316 SS is more resistant to corrosion than 304. " | Read more » | over 10 years ago | |||
| unmanaged | "I would be glad to send some SS welding rods to you free of charge... you have access to the scope and tools I do not... I planted the garden today..." | Read more » | over 10 years ago | |||
| bgamari | "Over the last few days I've been busily reworking some aspects of the measurement. Now we have a much lower excitation voltage (currently 100mV, al..." | Read more » | over 10 years ago | |||
| JSummers | "Hi Don, I agree with Cversek that you need to keep the voltage difference small. you also might want to look at using graphite electrodes. The ki..." | Read more » | over 10 years ago | |||
| donblair | "Cversek -- wow, thank you!!! What a useful collection of info. Your note convinced Ben to add a dual op-amp to buffer the conductivity output, and..." | Read more » | over 10 years ago | |||
| kanarinka | "nice work - it's great to see that the conductivity measurement is coming along like this! " | Read more » | over 10 years ago | |||
| cversek | "What is the max amplitude of the voltages you are applying across the screws? If this gets too high you could be electrolyzing the water, other io..." | Read more » | over 10 years ago | |||
| donblair | "Just noticed -- in that last plot, it looks like the 'falling times' (top curve) start 'slumping', whilie the 'rising times' (bottom curve) seem re..." | Read more » | over 10 years ago |