Weather Station Hardware > Oregon Scientific Hardware
Replace THGR968 sensor for low humidity readings?
Downlinerz2:
Hi again,
I seem to be having the same problem of low humidity (-10%) readings with the THGR968 sensor. I remember from the old forum seeing something about this.
It mentioned a Radio Shack sensor that can be used as replacement. Can anyone tell me the model # or catolog #? Thanks again in advance!!!
mackbig:
The model number is 63-1031. I dont think they make/sell them anymore. Radio Shack in Canada became The Source-By Circuit City. They are liquidating a Nextech version right now, but it comes with the base station, and for some reason not available online.
Andrew
Downlinerz2:
Andrew,
Thanks for the information. I was wondering if it would be possible to make a calibration entry in the VWS to correct for these readings? I am making a chart to show how the errors trend over time to see if it is constant or if it varies according to time of day.
thanks again ......
jwyman:
Downlinerz2,
I had the same problem you are having with the original THGR968 unit shipped with the WMR968 system. OSI sent my 3 replacements over time and they ALL had the same problem ( lower humidity readings).
They sent me as a complimentary gift a THGR268. It has been rocked solid... Only drawback is that it is not solar-powered, but the batteries seem to last forever in it so no problem there.... I believe the THGR268 has been replaced by a newer unit. Check on the ambientweather site for details....
Jim
mackbig:
Jim is correct. From what I have read over the years, most have tossed the 968 sensor. The batteries do last quite a long time in the non-solar remotes. Its probably not worth playing with gains and offsets, as it is probably not off my a consistent amount, unless your analysis shows that your in fact is always of x percent....
The new model for the 268 appears to be THGR122NX. Its actually on sale for less than the old version. Looks pretty similar, it appears that it now takes AAA's instead of AA's
Andrew
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