is PCE-FWS 20N a re-badged fine offset device?

[Peter Wilkinson]

Certainly looks like it might be but would appreciate confirmation.

Full skinny here:

https://www.pce-instruments.com/english/index.htm?id=google-uk&_artnr=5933243&_p=159.6&_pmode=0&_pbexkey=37&_date=20220711011313&_pbhash=3d8b84805bd95306b3a50a774dd67505122ac3489016cd2c6f36fdfad65bdb14&gclid=CjwKCAjwt7SWBhAnEiwAx8ZLatQOmma6jcmlAcX4VrmK6PGwtHcBqai4WNgA6a3U6YK5dAVj_OUZZBoCo5IQAvD_BwE

[Rainer Lang]

This looks like a clone of the old Fine Offset WH1080 weather station which is no longer sold by Ecowitt due to old technology.
Console connectivity is USB only, no WiFi, no connection to the weather networks. No solar sensor either. (a solar panel for running the outdoor array, yes).

The outdoor array is likely to be not compatible to the modern WiFi consoles and gateways like GW1000/GW1100/GW2000 due to using a different modulation for the sensor signal transmission. This is also true vice versa - the WH1080 console cannot receive any of the modern FineOffset/Ecowitt sensors.

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[Peter Wilkinson]

Thanks for full and helpful information.

Sounds ideal, actually. I need USB connection for further processing locally and I can handle upload to e.g. Met office Wow myself.

Hard to find a modestly priced system that supports local output of more-or-less raw data. Recommendations for alternative, more modern, setups that permit this would be welcome.

Peter

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[Rainer Lang]

Now, this depends on various factors:

a) what does "modestly priced" mean for you ? (price range - upper limit)

b) what do you mean exactly by "raw data" - what is it supposed to look like ?

c) is USB a must or just "having used so far" ? could it also be WiFi or LAN (via a WiFi router/access point) ?

d) what's your use case/scenario ?

e) any plans for extension/expansion (e.g. wanting to use more, different sensors) ?

f) do you need a display console or is viewing live data on a smartphone or old tablet enough/acceptable ?

g) what's your "processing infrastructure" ? e.g. a RaspberryPi (models 3 or 4B)

h) do you want a more "integrated" solution (outdoor sensor array) or a more distributed solution (separate sensors and locations) ?

Depending on the answers to these questions, a +/- tailored proposal/suggestion could be made based on FineOffset/Ecowitt weather station/sensor combinations and maybe some additional tools like weewx and even some more

There are many (more) modern Fine Offset / Ecowitt (clone) solutions available, which can also be nicely handled by weewx.

If you want to know what can be combined (console with sensors) in the FineOffset/Ecowitt ecosystem, have a look at

https://www.wxforum.net/index.php?topic=40730.0 (free of charge registration required to see pictures)

P.S. if you don't want to go public with the answers to a) thru h), reply to my mail address only

On 13.07.2022 09:05, Peter Wilkinson wrote:

Thanks for full and helpful information.

Sounds ideal, actually. I need USB connection for further processing locally and I can handle upload to e.g. Met office Wow myself.

Hard to find a modestly priced system that supports local output of mor e-or-less raw data. Recommendations for alternative, more modern, setups that permit this would be welcome.

Peter

On Wed, 13 Jul 2022, 07:37 Rainer Lang, <lang....@gmail.com> wrote:

This looks like a clone of the old Fine Offset WH1080 weather station which is no longer sold by Ecowitt due to old technology.
Console connectivity is USB only, no WiFi, no connection to the weather networks. No solar sensor either. (a solar panel for running the outdoor array, yes).

The outdoor array is likely to be not compatible to the modern WiFi consoles and gateways like GW1000/GW1100/GW2000 due to using a different modulation for the sensor signal transmission. This is also true vice versa - the WH1080 console cannot receive any of the modern FineOffset/Ecowitt sensors.

On 12.07.2022 18:57, Peter Wilkinson wrote:

Certainly looks like it might be but would appreciate confirmation.

Full skinny here:

https://www.pce-instruments.com/english/index.htm?id=google-uk&_artnr=5933243&_p=159.6&_pmode=0&_pbexkey=37&_date=20220711011313&_pbhash=3d8b84805bd95306b3a50a774dd67505122ac3489016cd2c6f36fdfad65bdb14&gclid=CjwKCAjwt7SWBhAnEiwAx8ZLatQOmma6jcmlAcX4VrmK6PGwtHcBqai4WNgA6a3U6YK5dAVj_OUZZBoCo5IQAvD_BwE

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[Peter Wilkinson]

a) <200 GBP

b) sorry, yes, sloppy of me. Not really raw. 

I am replacing a system built from very old fine offset spare parts (now seized up) . I interpret the wind speed and rain pulses and wind direction ohmic resistance in a raspberry pi. Direct from the sensors. 

Temp, pressure, humidity and solar intensity all handled with i2c chips. These can all stay. 

Hoping for slightly less raw than that! 

c) only said USB because I thought that was only way of accessing data locally (ie without round-tripping to external service) WiFi would be fine

d) need stream of readings to populate (existing) database. (existing) Analysis and website then query that database

e) can handle other sensors myself. Only really need wind and rainfall. See b) above. 

f) no console needed

g) raspberry 2 and 3 (have several - long story...) 

h) no position on this

BTW Good level of programming skills - Go, C, C++ as well as Linux and networking 

And thanks again for your help

 Peter

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[Mark Fraser]

If it is indeed similar to a 1080, you could always buy a DVB-T tuner and use the RTL-433 extension. This also allows for the addition of extra sensors later.

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