[time-nuts] Temperature (environmental) sensors

[Paul Alfille]

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 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
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