TEMP SENSOR
Wireless temperature and humidity sensor for the ATMO station. The real measured temperature from outside, the greenhouse or the cellar right on the display — no app, up to 3 years on one battery.
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TEMP SENSOR
Wireless temperature and humidity sensor. Place it outdoors, in the greenhouse or in the cellar — and see the actual measured temperature right on the station's display.
This compact sensor broadcasts temperature and humidity over Bluetooth, and ATMOS picks up the readings automatically with every refresh — no hub, no app and no cloud account. It is the proven Shelly BLU H&T ZB sensor with a precise Sensirion measuring element and up to three years of operation on a common coin cell.
Where it fits
Outdoors
- on a covered terrace, balcony or under a canopy,
- the real outdoor temperature instead of a forecast,
- IP54 rated — handles dust and splashing water.
At home
- kids' room, bedroom or attic,
- an overview of other rooms on a single display,
- humidity readings where they matter.
Cellar, greenhouse, garage
- watch the greenhouse temperature before a frost,
- keep an eye on cellar humidity,
- no cables to run — just place it or stick it on.
What you'll see on the station's display
- the measured temperature as the main reading on the display,
- a sensor name of your choice (Outside, Greenhouse, Cellar…),
- humidity from the sensor,
- the sensor's battery level — you'll know in advance when to replace it,
- up to four sensors side by side on one station.
Set up in a minute
- Open the ATMOS station's configuration portal.
- Start a sensor scan.
- Pick the sensor from the list and give it a name.
- Done — the temperature appears with the next refresh.
No pairing, no app, no account.
Long battery life
- powered by a common CR2032 coin cell,
- up to 3 years of operation, replaced in seconds without tools,
- the station only listens to the sensor — zero maintenance after setup,
- the sensor broadcasts about once a minute; the station picks up the value with every display refresh.
Technical specifications
Measurement
- temperature −20 to +60 °C (typ. ±0.2 °C)
- relative humidity 0–100 % (typ. ±1.8 %)
- Sensirion measuring element
Connectivity
- Bluetooth LE, BTHome standard
- Zigbee (for use outside ATMOS)
- range approx. 10 m indoors, 30 m outdoors
Power
- CR2032 coin cell (included)
- up to 3 years of battery life
Build
- dimensions 37 × 37 × 10 mm, weight 13 g
- IP54 rated
- black colour
FAQ
Do I need an app or a hub?
No. The sensor broadcasts its readings over Bluetooth and the ATMOS station reads them directly. No app, no hub, no cloud account required.
Can I place it outdoors?
Yes — with its IP54 rating it handles dust and splashing water. Choose a sheltered spot: under a canopy, on a balcony or terrace, out of direct rain and direct sunlight.
How many sensors can I connect to the station?
Up to four. You name each one and they all appear side by side on the display.
Does it work with stations other than ATMOS?
The sensor is currently supported by the ATMOS station; support for more stations will be added over time. Thanks to the open BTHome standard you can also use it in smart-home systems such as Home Assistant.
How often do the readings update?
The sensor broadcasts about once a minute. The station picks the values up with every display refresh — hourly during the day.
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Jan Vozdecký
Standa
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