If you don't mind using 1-wire sensors, there are many nice choices, like: http://www.embeddeddatasystems.com/Environmental-Sensors_c_44.html for temperature/humidity/barometric pressure...
On Tue, Jan 3, 2017 at 10:22 AM, jimlux <[email protected]> wrote: > On 1/3/17 7:08 AM, Tom Van Baak wrote: > >> I have some high-end temperature and pressure instruments. But for casual >> use in my home and mobile timing lab I use Sparkfun Weather Stations. The >> old URL is: >> >> https://www.sparkfun.com/products/retired/10586 >> >> > Replaced by > https://www.sparkfun.com/products/12081 > which doesn't have the USB. > > By the time you add a board with a processor, you're in the $50 range.. > > I use these at work: > > https://www.lascarelectronics.com/easylog-data-logger-el-usb-rt/ > Well, actually I use the EL-USB-2-LCD.. which logs to internal memory and > can't log/unload data at the same time and which requires a windows program. > > That said, they work well, come with a traceable cal certificate, etc. I > don't know that they do 0.1 degree (the data sheet says 0.5C, and I think > that's the logging accuracy), and, well, humidity sensors are of dubious > accuracy away from the middle of the range > > https://www.lascarelectronics.com/easylog-data-logger-el-usb-2-lcd/ > > > > > > > > It's USB, talk-only, one reading a second, temperature, pressure, humidity >> -- about as simple as you can get. Perfect for data logging along with >> frequency standards, GPS, counters and such. >> >> But they don't make 'em anymore. My question is what similar >> well-engineered, talk-only, serial or USB, temperature-pressure-humidity >> sensors have you run across and could recommend? Not to be picky bit no >> cheapo 1C or 0.5C sensors; 0.1C or better is ok. >> >> I know it's "easy" to throw one together with an Arduino, but I'm looking >> for something pre-packaged, something that reliably works, out-of-the-box. >> I have backup plans but hope someone on the list knows some products they >> have used and would recommend. >> >> We could extend the discussion to voltage and power monitors too. Or some >> kind of universal sensor TAPR project. But for now, let's just keep it to >> simple air / environmental sensing. >> >> Thanks, >> /tvb >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/m >> ailman/listinfo/time-nuts >> and follow the instructions there. >> >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
