[time-nuts] Temperature (environmental) sensors
artgodwin at gmail.com
Tue Jan 3 11:19:11 EST 2017
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 <paul.alfille at gmail.com> 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 <jimlux at earthlink.net> wrote:
> > On 1/3/17 7:08 AM, Tom Van Baak wrote:
> >> I have some high-end temperature and pressure instruments. But for
> >> use in my home and mobile timing lab I use Sparkfun Weather Stations.
> >> 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
> > 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,
> >> -- 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
> >> for something pre-packaged, something that reliably works,
> >> I have backup plans but hope someone on the list knows some products
> >> have used and would recommend.
> >> We could extend the discussion to voltage and power monitors too. Or
> >> kind of universal sensor TAPR project. But for now, let's just keep it
> >> simple air / environmental sensing.
> >> Thanks,
> >> /tvb
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