WMR200 logger operation

gwheelo · **Posted:** Mon May 09, 2011 9:37 pm

Quote:

It supplies 16 'directions', from 0 to 15 (N to NNW)

Bummer - that is a real show stopper for me!

GW

ctccbc · **Posted:** Sat May 14, 2011 2:30 pm

Will the WMR100N be supported as well? I think the protocol for the WMR200 and WMR100N are pretty much the same.

steve · **Posted:** Sat May 14, 2011 4:28 pm

ctccbc wrote:

Will the WMR100N be supported as well?

Hopefully, yes, but I haven't bought one of those, so it will be a little bit harder.

Quote:

I think the protocol for the WMR200 and WMR100N are pretty much the same.

No, they're considerably different.

TgT · **Posted:** Sun May 15, 2011 1:30 am

Hm, there are two versions of WMR100, older - all-in-one setup

and newer which uses same components/accessories/sensors as WMR200, OregonScientific protocol 3.0

Quote:

Works wirelessly ONLY with the WMR80, WMR90, WMR100 and WMR200 wireless weather station products using Protocol 3.0

steve · **Posted:** Sun May 15, 2011 6:48 am

Quote:

there are two versions of WMR100

As far as I am aware the protocol between the station and the PC is the same for the two types of WMR100, and is considerably different to that used by the WMR200.

steve · **Posted:** Thu May 19, 2011 11:29 am

A quick update on where I'm up to. I have all of the live data being read successfully, and I can extract all of the logger data. I'm currently in the middle of writing the code to actually process the logger data. This is for the WMR200; I haven't started on the WMR100 code yet.

gandalf · **Posted:** Sun May 22, 2011 6:14 pm

Hello,

Steve when will you have program for my station Oregon WMR200 :oops:

Thank

matper · **Posted:** Thu May 26, 2011 12:43 pm

steve wrote:

A quick update on where I'm up to. I have all of the live data being read successfully, and I can extract all of the logger data. I'm currently in the middle of writing the code to actually process the logger data. This is for the WMR200; I haven't started on the WMR100 code yet.

Great work!
Congratulations!

The gap in the live data while downloading the logger data should not be an issue for anybody, as I am sure that everyone has the station connected to a computer 24/7.

Old Tele man · **Posted:** Sun Dec 25, 2011 5:53 pm

Well, I must be the "...odd man out..." because I do not (want to have) my PC on 24/7 all the time, especially during our monsoon season and thunderstorms (tree in front yard was struck; telephone and modem "zapped'). And, I only want a 5-minute data sample interval, that's fast enough for my needs. I actually do not use my WMR200A as a complete "weather station" but instead just for collection of temperature and humidity data, so that I can monitor and analyze the efficiency of our evaporative cooler during summer operation. I need temp and RH% numbers to calculate the wetbulb temperature (using other software) so that cooler "saturation efficiency" (Es) can be calculated:

Es = 100*( DBD / WBD ) = 100*(T1 - T2)/(T1 - T3)

where:
Es = Saturation efficiency, 0-100%
DBD = Dry Bulb Depression (T1 - T2), ºF
WBD = Wet Bulb Depression (T1 - T3), ºF
T1 = Ambient, outside air temperature, ºF
T2 = Cooler discharge air temperature, ºF
T3 = Wet Bulb temperature (max. theoretical cooling), ºF

I call it my "quasi-weather" station.

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WMR200 logger operation

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