[time-nuts] Temperature (environmental) sensors

jimlux jimlux at earthlink.net
Tue Jan 3 10:22:11 EST 2017

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
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:

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


> 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
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