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Inaccurate humidity reading.

I have one radiator valve which gives an artificially high reading. I have checked humidity reading with other stand alone meters which all gave the same lower reading. Is there any way to reset the humidity reading provided by this valve?

Answers

  • samd
    samd ✭✭✭

    Straight answer is 'No' I'm afraid. Is that valve reading inaccurate temperature?

  • Dropping in here to talk about the same issue. I've been monitoring humidity using the tado TRV's and, given the time of year and UK weather, I decided to take action and buy a dehumidifier given I'm getting readings of over 70% humidity in some rooms.

    Dehumidifier in place, doing its job well... but I noticed the humidity reading on the dehumidifier is way lower than the readings I'm getting from the tado TRVs... tado says 78% humidity.... dehumidifier reads 55%.

    I decided to buy three standalone sensors and stand them next to each other, they all consistently read closer to the dehumidifier (+/- a few %), all WAY lower than the tado TRVs.

    I tested this in each room, and for each, the readings on the standalone sensors and the dehumidifier are within a few %, but the tado TRVs are reading so much higher. Something isn't right here... the same applies to the temperature reading. Looks like tado is way off compared to multiple external devices.

    I'd be keen to hear other views on this, and I'll also submit to tado as a ticket for a response.

  • Did you get a response from Tado regarding the high readings?
  • @GJC74 yes, I’ll paste it below. However, I also noticed that the TRV’s giving inaccurate readings are all the older devices. I have 11 in total, some more recently added. The firmware versions across my devices vary… I wondered whether this could be a factor but according to tado, that’s not the case… but I’m not convinced. Seems too much of a coincidence that all the older models are giving off inaccurate readings whereas the newer ones seem within acceptable tolerance.

    Here’s the response I got;

    “ The relative humidity measured by tado° depends on where in the room it is measured and what the current temperature is.
    The measurement can also depend on many other factors, such as the position of the vents, the orientation of the units relative to windows, etc., and can vary over time.
    So, it's likely that different devices measure different humidity levels.
    tado° thermostats are designed to accurately measure temperature and control heating.
    Humidity measurement is a secondary complement to thermostats and as such is not as accurate. Unfortunately, the humidity cannot be adjusted”
  • mistachesta
    edited May 13
    @GJC74 in the end I gave up and don’t rely on humidity readings from the TRV’s, which also makes the air comfort feature completely redundant. I have separate sensors now. Losing faith in tado for anything beyond geolocation based heating. The apparent cost saving is also a gimmick given, to have the latest firmware, you need to buy newer devices. I accept that’s how thinng go… but if you’re constantly shelling out for new hardware, it’ll never lead to cost savings will it.