All these (including the one I linked) seem to be 0.5C only. This one gets to 0.2C : http://www.ti.com/tool/hdc1010evm
On Tue, Jan 3, 2017 at 4:09 PM, Paul Alfille <[email protected]> wrote: > 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. > _______________________________________________ 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.
