| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "Another good place to check is the Reddit rtlsdr . It's also got a lot of info. " | Read more » | over 6 years ago | |||
| Ag8n | "It's rtl2832u. It's a European dab tv tuner that had a troubleshooting mode built in it that could be modified for a bunch of other things. The cu..." | Read more » | over 6 years ago | |||
| stevie | "Hi @Ag8n can you clarify what rtlsdr is? " | Read more » | over 6 years ago | |||
| Ag8n | "Sorry, I got interupted. The rtlsdr work with computer, are low cost ($5-$25) and with suitable freeware and low cost software, can decode many de..." | Read more » | over 6 years ago | |||
| donblair | "Bryan, xxv, Chris, Dave -- thanks so much for the fantastic ideas and reflections you've developed here. I'm going to try to digest these ideas ov..." | Read more » | over 10 years ago | |||
| btbonval | "Those are great links, DavidMack. The TSI document illustrates the tube of air I was talking about that carries the sample for measuring ("sheath-..." | Read more » | over 10 years ago | |||
| DavidMack | "Okay, I read the research paper and the heat convection air flow dependent on the sensor orientation. I also found this report which describes the..." | Read more » | over 10 years ago | |||
| DavidMack | "I'd say the heater/resistor is used to heat the air sample to avoid condensation in the chamber and on the optics. Also, any aerosol (liquid and s..." | Read more » | over 10 years ago | |||
| cfastie | "Instead of trying to measure air flow, you could impose a constant air flow. Chris Bartley said they got better results with a small fan in their S..." | Read more » | over 10 years ago | |||
| btbonval | "It is unlikely that you can do anything to stop deposition, but you could slow it. Not sure what degree of "prevent" you were asking about. There a..." | Read more » | over 10 years ago | |||
| xxv | "Would there be a way to create a field or surface coating of the glass flow tubes that prevents accumulation of particles? " | Read more » | over 10 years ago | |||
| btbonval | "The linked anemometer relies on heat differential. I don't see the tech specs, but I'd be worried that in excessively hot environments the backgrou..." | Read more » | over 10 years ago | |||
| btbonval | "For reference, I have experience with Hach HHPC6 units (taking them apart, cleaning them, diagnosing their measurement capability, etc). I think yo..." | Read more » | over 10 years ago | |||
| btbonval | "Some of the particle counters I have used in the past worked on a straight, column of air. It looks like your box is more like a mixing chamber tha..." | Read more » | over 10 years ago |