as220-wind-sensors
as220-wind-sensors


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 » almost 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 » almost 6 years ago
stevie "Hi @Ag8n can you clarify what rtlsdr is? " | Read more » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 10 years ago