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Wireless Temperature, Humidity, Air Pressure and Motion Sensor
RuuviTag Bluetooth Sensor for Environmental Monitoring

Wireless Temperature, Humidity, Air Pressure and Motion Sensor

RuuviTag Bluetooth Sensor for Environmental Monitoring

39,90

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Made in Europe, Finland.
Worldwide free shipping on orders over 100 €.

RuuviTag is a Bluetooth sensor that monitors environmental conditions and sends the data directly to your mobile device. The Ruuvi Station mobile app allows you to view real-time accurate measurements and historical graphs. The app also provides customisable alerts to notify you of critical conditions, such as a melting freezer, excessively high bedroom temperatures that could disrupt sleep, or elevated humidity levels in your basement.

Onboard Sensors (4-in-1)

Temperature: °C, °F, K; typical accuracy ±0,2 °C @ 5-60 °C (±0.36 °F @ 41-140 °F).
Air humidity: RH-%, g/m3, dew point; typical accuracy ±3 RH-% @ 20…80 %. Range: 0-95 %.
Air pressure: Pa, hPa, mmHg, inHg; typical accuracy ±1 hPa. Range: 500-1155 hPa.
Motion: Movement counter. Counter is incremented when acceleration exceeds the threshold on any axis.

Operational Conditions

Operating temperature (with stock battery): -20 °C to +70 °C (-4 °F to 158 °F).
Absolute maximum operating temperature: -40 °C to +85 °C (-40 °F to +185 °F).
Housing: IP67, splash-proof, non-condensing location.
Battery: User-replaceable CR2477 (included). Supports extended operating temperature range battery CR2477T.
Battery lifespan: Estimated 12 to 24 months.
Certifications: CE, FCC, ISED, TELEC, IFETEL, NOM, RTCA DO-160 category H, RoHS, IC, HVIN, IMDA, OFCA, ICASA, POTRAZ.
Bluetooth range: 5-20 meters (indoor), 20-100 meters (outdoor). The sensitivity of the receiving mobile device’s antenna, obstacles and wall materials affect the range. For increased range, use the Ruuvi Gateway router as a receiver.

App Features

Free and easy: User-friendly free app, signing in is optional.
Platforms:
Android and iOS.
Alerts: Configurable Bluetooth push alerts with customisable messages.
Real-time measurements: Track data in real time.
Historical data: Detailed historical graphs available for up to 10 days (offline).
History export: 10-day history export.
Dashboard: See all your sensors at a glance.
Personalise sensors: Use custom backgrounds and names.
Multilingual: Available in English, Finnish, Swedish, French, and German.

Compatibility

Integrations: Victron Energy, Home Assistant, Homey, and more.
Remote monitoring: When not within Bluetooth range, online remote monitoring is available with the Ruuvi Gateway and Ruuvi Cloud, both sold separately.

Technical Specifications

Data sheet: Download (pdf)
Read more info below:

Technical Specifications
Product package
Sensor will be delivered in 1-pack or 3-pack packages depending on the quantity. Two sensors = 2 x 1-pack and three sensors = 1 x 3-pack. If you wish to have a specific packaging, please leave a note on the checkout page.
Recommended operating temperature
-20 ºC to +70 ºC (with a special temperature range battery longer battery lifetime can be achieved)
Maximum operating temperature
-40 ºC to +85 ºC (electronics and enclosure)
Battery
1000 mAh CR2477 Li/MnO2 battery (included)
Diameter
52,00 mm
Height
12,55 mm
Weight
30 g
Temperature units (on Ruuvi Station)
Celsius, Fahrenheit, Kelvin
Humidity units (on Ruuvi Station)
Relative air humidity, absolute humidity, dew point
Pressure units (on Ruuvi Station)
Pa, hPa, mmHg, inHg
Temperature sensor accuracy
Typical absolute accuracy ±0,2 °C @ 5...60 °C, output resolution 0,01 °C
Humidity sensor accuracy
Typical absolute accuracy ±2 %, 20...80 %, 25 °C
Pressure sensor accuracy
Typical absolute accuracy ±1 hPa
Main chip
Nordic Semiconductor nRF52832
Ambient sensor
Sensirion SHTC3, temperature and air humidity
Pressure sensor
Infineon DPS310
Accelerometer
STMicroelectronics LIS2DH12
Radio protocols
Bluetooth (default), Wirepas Mesh, Lumenradio Mesh, Bluerange Mesh, ANT, Other 2.4 GHz proprietary protocols
NFC
Embedded NFC™-A tag antenna
Enclosure material
Polycarbonate
Waterproofing
IP67, not suitable for continuous immersion. When immersed, Goretex membrane is recommended to be sealed with waterproof tape. Standard enclosure is not suitable for high humidity installations with condensation risks.
Certifications
CE, FCC, ISED, TELEC, IFETEL, NOM, RTCA DO-160 category H, RoHS, IC, HVIN, IMDA, OFCA, ICASA, POTRAZ
Operating principle
Technical Operating Principle

The sensor measures and transmits data continuously every 2.5 seconds, regardless of whether an app is receiving the data. The app displays the data in real time when it is open. Since the real-time measurement data sent by the sensor is broadcast-type, multiple phones can read the sensor data simultaneously. To receive alerts on the phone, background scanning must be enabled in the app, and the phone must be within Bluetooth range. In the iOS app, to receive alerts when the app is in the background, two-way communication mode must be enabled. This is not required in the Android app.

Datalogger
RuuviTag also functions as a data logger. The sensor continuously records temperature, humidity, and pressure data for the last 10 days at a five-minute recording interval. The internal history can be imported into the app when the phone is within Bluetooth range.

RuuviTag Unboxing

Easy measuring

3 minute unboxing and setup

Watch

“Simply the best thermometer.”

Tens of thousands of happy customers in over 100 countries.

Rated 4.6/5 (Amazon)

"Simply the best temperature and condition meters"

These @ruuvicom products are simply the best temperature and condition meters I have ever used. I have over 20 of them, both personally and at work. I give them a 5/5 rating. A special shout-out to the excellent customer service and for being manufactured in Europe.

Markus H. Finland
“If only everything worked so well and easily.”

I’ve been using 4 of these senors on our sailboat for temperature in fridge, freezer, engine room, generator sound enclosure, and the pro-model as a water alarm in our bilge for almost a year now. They also easily paired with our Victron systems and the setup was unbelievably easy. I can not recommend them enough. A 10 out of 5.

Sheila Boyce, USA
"Easy to use"

Using product in a refrigerator and Freezer in my motorhome. Seems to be accurate and is lasting longer than some of the cheaper sensors I have tried in the past

Maggi, USA
"Easy to set up"

Bought three of these to measure fridges on my boat. I like how easy they are to set up and how reliable they have been. The batteries are supposed to last a long time so that is great too. Expensive, but well worth it in my opinion.

LP, Australia
"Love Ruuvi!"

As Ordered - Love the Ruuvi Sensors - 8 of them tell me when to turn off the fans and shut the window

JV Smith, USA
"Ease of use"

An excellent product, the temperature measurement is very accurate.

Lauriano, Italy
"Very practical"

I have it installed in the compartment where the batteries are installed in a motorhome and perfect, it gives me the temperature whenever I request it. I am very happy with the purchase

Amazon Customer
“Avoided water damage”

I had a RuuviTag in my house’s boiler room. One day I noticed suddenly increased air humidity levels and went to see what’s going on. Found a leaking water pipe!

Pekka, Finland
"Easy install reasonable accuracy"

Search YouTube using "Victron Ruuvi". Watch a 5 minute video and set it up on a Cervo GX in less than 5 minutes as long as you don't have to update the Venus OS. It just works. There are a lot of videos stating the Ruuvi doesn't do Fahrenheit. I guess the old ones only did Celsius, but the new Ruuvi's have it.

Bill, USA
"Phenomenal product"

The Ruuvi is an excellent Bluetooth temperature sensor. Easy to setup an monitor.

Lyndsay, USA

All You Need is a Sensor and App

RuuviTag sends measurements straight to your phone. The Ruuvi app is free and easy to use.

Ruuvi app features Ruuvi app features

Alerts, history and more

The Ruuvi Station app is user-friendly, allowing you to easily monitor sensor measurements and receive Bluetooth push notifications about any unexpected changes in conditions.

Personalise your Ruuvi mobile app
Real-time measurements
You can see the measurement results from the application when within Bluetooth range.
Temperature alarm in Ruuvi mobile app
Get alerted
You will receive a notification when conditions at the measurement location change beyond the limits you have set.
Temperature and humidity history graphs in Ruuvi mobile app
10-day history graphs
In the app, you can see the history of the past 10 days, even if you go out of Bluetooth range in between.
Temperature measurements in Ruuvi mobile app
Make it your own!
You can name your sensors, set a custom background image for them, and personalise the alert messages.

Download App

Ruuvi Station mobile app is available on Android and iOS.
Languages: English, Finnish, Swedish, French, and German.

Ruuvi products are ideal for both home and business use, and they are trusted by industry leaders.

Reliable measurements – indoors and out

RuuviTag, designed with high-quality components and the expertise of Finland’s finest engineers, is proudly made in Finland.

RuuviTag explosion and components

Wireless
Measurement results are sent directly to your phone wirelessly, within a Bluetooth range of 5-100 meters.
Weather resistant
The splash-proof and durable casing allows for measurements outdoors.
Wide operating temperature
Operating temperature range with the included standard battery is -20°C to +70°C.
Long-lasting battery
Battery life is 12-24 months with a user-replaceable standard watch battery CR2477 (included).
Temperature °C / °F
Measure air temperature in both cold and hot conditions. Choose °C or °F.
Air humidity
Protect your property from moisture by measuring air humidity.
Air pressure
Analyse altitude changes from sea level to high mountains. Forecast upcoming storms.
Motion
RuuviTag knows when it is moved. The sensor is very sensitive, the feature works best with Ruuvi Gateway.
Home temperature monitoring

The Key to Your
Healthy Home

Measuring the temperature and humidity of your home has various benefits.

Full-House Benefits

If you lower the temperature in your home by 1° C (1.8° F), you can save around 5% on your electricity bill. Still, maintaining the temperature above a certain level and keeping humidity in check are more likely to prevent mold damage in your home.

With RuuviTag, you can maintain optimal temperature and humidity levels throughout the varying weather and seasons of the year. The savings generated by the sensors can quickly cover their initial investment.

Healthier Home
Maintain building structures and ensure safe living conditions in every room.
Cost-Savings
Maintain optimal conditions in every room to save on heating and cooling costs.
Quality of Life
Enhance your sleep and breathe healthy air for better life quality.
Temperature sensors in every room at home Temperature sensors in every room at home

What to measure?

Ruuvi sensors have hundreds of use-cases where measuring conditions and enabling automatic alerts make your life more worry-free. Read more below:

Home
Using Ruuvi Sensors at Home

By using RuuviTags to measure the temperature and humidity in different rooms, you gain a comprehensive understanding of your home’s functionality and health. This not only helps you save energy but also allows you to live more comfortably and worry-free.

Outside

By measuring outdoor conditions as well, you gain a better understanding of how your home behaves in different weather. RuuviTag serves as the ideal real-time weather station for your own yard.

Bedroom

Sleep Quality
Ensure optimal sleeping conditions by maintaining appropriate temperature and humidity levels, preventing sleep disturbances and improving overall health.

Ideal bedroom temperatures are between 16°C and 20°C (60°F and 68°F) with humidity levels between 30% and 50%. This prevents poor sleep quality and respiratory issues from dry air or excessive humidity.

Bathroom

Mold Prevention and Energy Efficiency
Monitor humidity to prevent mold and mildew growth, which can lead to health issues and structural damage. Optimizing underfloor heating can prevent high electricity bills.

Keep bathroom humidity levels below 60%, ideally between 40% and 50%. Temperatures should be around 21°C to 24°C (70°F to 75°F). The floor surface temperature should be between 23°C and 24°C (73°F and 75°F). This prevents mold, mildew, and structural damage, and helps manage electricity costs.

Garage

Temperature and Humidity Control
Maintain optimal conditions to prevent damage to stored items and protect water pipes from freezing.

Suggested garage temperatures are at least 5°C (41°F), preferably between 12°C and 15°C (54°F and 59°F). It doesn’t need to be above 0°C (32°F) if the relative humidity is low enough. Avoid subzero temperatures if there are water pipes at risk of freezing. Keep in mind that the temperature can vary significantly (even by more than 10°C/50°F) between the floor and the ceiling.

Fridge/Freezer

Optimal Temperature and Storage Conditions
Ensure proper temperature settings to maintain food safety and maximize appliance efficiency.

For refrigerators, the ideal temperature range is between 2°C and 5°C (36°F and 41°F) to keep food fresh and safe from spoilage. Freezers should be set at -18°C (0°F) or lower to properly store frozen goods. It’s important to avoid temperatures above 5°C (41°F) in the fridge, as this can promote bacterial growth, and above -18°C (0°F) in the freezer, which may lead to food quality degradation.

Livingroom

Comfort and Energy Efficiency
Monitor temperature and humidity to maintain a comfortable environment while optimizing heating and cooling systems, reducing high energy costs.

Ideal living room temperatures range from 20°C to 22°C (68°F to 72°F) with humidity levels between 30% and 50%. This prevents high energy costs and discomfort from temperature extremes.

Kitchen

Food Storage and Cooking Comfort
Monitor temperature to ensure proper storage conditions for food and maintain a comfortable environment while cooking, preventing food spoilage and bacterial growth.

Keep kitchen temperatures around 18°C to 22°C (64°F to 72°F) with humidity levels between 40% and 60%. This prevents food spoilage and bacterial growth.

Nursery

Infant Comfort and Healt
Ensure optimal temperature and humidity for the health and comfort of infants, reducing the risk of SIDS and respiratory problems.

Ideal nursery temperatures are between 20°C and 22°C (68°F and 72°F) with humidity levels between 30% and 50%. This prevents respiratory problems and reduces the risk of SIDS.

Basement

Moisture Control and Storage
Monitor for moisture to prevent mold and maintain proper conditions for stored items, preventing property damage and health issues.

Maintain basement humidity levels between 30% and 50% to prevent mold. Temperatures should be kept between 15°C and 20°C (59°F and 68°F). This prevents mold, mildew, and property damage.

Attic

Heat Regulation
Monitor temperature to prevent overheating and ensure proper ventilation, avoiding structural damage and high energy costs.

Attic temperatures should ideally not exceed 40°C (104°F) to prevent damage and maintain structural integrity. Humidity levels should be kept low, between 30% and 50%. This prevents structural damage and high energy costs.

Home Office

Comfort, Efficiency, and Equipment Safety
Maintain a comfortable working environment, enhance efficiency, and protect electronic equipment from overheating and humidity, preventing equipment failure and discomfort.

Ideal temperatures for a home office are between 20°C and 22°C (68°F and 72°F) with humidity levels between 30% and 50%. This range not only prevents equipment failure and discomfort but also promotes optimal working efficiency by avoiding temperature extremes.

Closet and Storage Spaces

Clothing and Item Preservation
Monitor humidity to prevent mold and mildew on clothing and stored items, avoiding damage and preserving quality.

Keep humidity levels in closets and storage spaces between 30% and 50%. Temperatures should be around 18°C to 22°C (64°F to 72°F). This prevents mold, mildew, and damage to clothing and items.

Hobbies
Motorhomes, caravans, boats

Environmental Monitoring
Keep track of temperature and humidity in motorhomes or RVs to ensure a comfortable living environment and protect perishable items. Monitor fridge temperatures to prevent food spoilage and ensure safety. Additionally, track battery compartment conditions to maintain optimal performance and prevent damage from extreme temperatures or humidity.

Maintain the interior of motorhomes at temperatures between 18°C and 24°C (64°F and 75°F). Fridges should be kept between 1°C and 4°C (34°F and 39°F), and battery compartments should be monitored to stay within the operational range of -20°C to +50°C (-4°F to 122°F).

Dogs, cats, indoor pets

Temperature Monitoring
Monitor temperature in living spaces to prevent heatstroke or hypothermia and maintain a healthy environment for pets, especially when traveling or during extreme weather conditions.

Humidity Monitoring
Prevents respiratory discomfort and skin issues.

Ideal indoor temperatures for pets range from 18°C to 24°C (64°F to 75°F). Humidity levels should be maintained between 30% and 70% to ensure their comfort and health.

Gardening

Plant Growth
Monitor and adjust temperature and humidity to create optimal growing conditions for plants, both indoors and in greenhouses, enhancing yield and quality.

Most plants thrive at temperatures between 18°C and 24°C (64°F and 75°F). Relative humidity should be between 40% and 80%. The temperature should not rise above 26°C (79°F).

Root Cellar and Food Storage

Food Preservation
Maintain optimal conditions in a root cellar to store harvested produce, ensuring freshness and preventing spoilage.

Root vegetables like carrots and potatoes are best stored at temperatures between 0°C and 4°C (32°F and 39°F) with humidity levels around 85%-95%. Other produce, such as apples, should be stored at slightly higher temperatures around 1°C to 3°C (34°F to 37°F) with similar humidity levels.

Reptile Keeping

Terrarium Monitoring
Ensure the proper environment for reptiles by maintaining specific temperature and humidity levels for their health and well-being.

Reptiles like bearded dragons thrive at temperatures between 24°C and 35°C (75°F and 95°F) with a humidity level of 20%-40%.

Wine Collecting

Cellar Management
Maintain ideal storage conditions in wine cellars by controlling temperature and humidity to preserve the quality and taste of wine.

Wine should be stored at a consistent temperature of around 12°C to 14°C (53°F to 57°F) with a humidity level between 60% and 70%.

Home Brewing

Fermentation Control
Maintain optimal temperature and humidity for fermenting beverages, ensuring quality and preventing spoilage.

Most ales ferment best at temperatures between 18°C and 22°C (64°F and 72°F), while lagers require cooler temperatures between 7°C and 13°C (45°F and 55°F). Humidity levels should be kept low to prevent mold growth.

Baking

Dough Proofing
Ensure the ideal environment for proofing bread and other baked goods by controlling temperature and humidity levels.

Ideal proofing temperatures range between 21°C and 27°C (70°F and 80°F) with a humidity level of around 75%.

Cigar Collecting

Humidor Management
Keep cigars in perfect condition by maintaining the correct temperature and humidity levels in humidors.

Cigars should be stored at temperatures around 18°C to 20°C (64°F to 68°F) and a relative humidity of 65%-72%.

Travelling and Remote Monitoring

By purchasing a Ruuvi Gateway router and Ruuvi Cloud service along with your RuuviTags, you can access your sensors online and gather long-term history to your account. With Ruuvi Gateway, you can also share your sensors with your family.

Business
RuuviTags in Business Use

RuuviTags (and RuuviTag Pros) have already found their way into thousands of companies worldwide. Ruuvi’s open-source sensors are customisable, fully certified, and available in large quantities.

“Ruuvi is an impressive sensor technology company that consistently outperforms its at times much larger competitors in terms of quality, ease of use, innovation and customer service.”
– Ole Johan A. Bjerke, CEO and co-founder of Soundsensing

“We have comprehensive temperature monitoring with Ruuvi, meeting regulatory requirements. Ruuvi’s products are remarkably user-friendly, and we are extremely satisfied!”
– Harri Nykopp, K-retailer, K-Market Otso

Grocery Stores and Supermarkets

Cold Storage
Monitor refrigerators and freezers to ensure perishable items are stored at safe temperatures.

Produce Sections
Track humidity levels to keep fruits and vegetables fresh.

Restaurants and Food Service

Kitchens
Maintain proper storage conditions for ingredients in walk-in coolers and freezers.

Dining Areas
Ensure comfortable dining environments by monitoring temperature and humidity.

Pharmaceuticals and Healthcare

Drug Storage
Control temperature and humidity to ensure the safety and efficacy of medications and vaccines.

Medical Facilities
Maintain optimal conditions in laboratories and patient care areas.

Agriculture

Greenhouses
Optimize growing conditions by monitoring temperature and humidity.

Crop Storage
Prevent spoilage and maintain quality in storage facilities.

Manufacturing

Electronics
Protect sensitive components by controlling humidity levels.

Food and Beverage Production
Ensure compliance with health regulations and maintain product quality.

Museums and Archives

Preservation
Prevent deterioration of artifacts, documents, and artworks by maintaining controlled environments.

Data Centers

Environmental Control
Ensure the reliability and performance of IT equipment by maintaining optimal conditions.

Logistics and Cold Chain Management

Transportation
Monitor conditions during the transport of sensitive items to ensure they remain within safe parameters.

Wine Storage

Cellars and Warehouses
Preserve the quality and taste of wine by maintaining ideal temperature and humidity levels.

HVAC Systems

Building Management
Optimize HVAC systems for energy efficiency and maintain comfortable indoor environments.

Order now

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  • RuuviTag sensor measures temperature, air humidity, air pressure and motionIn stock
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    RuuviTag Sensor (4in1)

    39,90

Get hooked on Ruuvi Sensors!

You can find plenty of user materials about Ruuvi online. Don’t forget to share your experience too! #ruuvitag @ruuvicom

Join Ruuvi-related discussions on our channels:

Telegram | Forum

Proudly Open Source

Ruuvi sensors are open source, meaning their design and code are not hidden. This allows you to use Ruuvi sensors as a foundation for personal tech projects or for companies to incorporate them into their product development. Ruuvi sensors can also be used as-is in your own projects or business operations.

We encourage business customers to visit our Business website.

Join Our Tech Community

Ruuvi’s community has always been filled with talented hobbyists and developers. On our blog and documentation pages, you’ll find a wealth of interesting tech-related content and information. If you want to dive deeper into integrations, you can explore them here. Join the community discussions on Ruuvi’s Forum and Telegram.

FAQ
Why would I need Ruuvi products?

The use cases for Ruuvi sensors are unlimited and the only limit is your imagination. Read more about use cases and user experiences on our blog and our forum.

The Ruuvi products are designed in Finland and produced in France with the highest quality standards to ensure the best possible products at the end!
We do not believe in bots (at least on our webpage)! We are very happy to answer any of your questions regarding a product or to support you with any issue.

Is my mobile device compatible with Ruuvi products?

Ruuvi’s sensors work with Ruuvi Station mobile app. The app can be downloaded both from the Play Store (Android) and the App Store (iOS). It is also available for tablets.

Is RuuviTag water-resistant?

RuuviTag is IP67 certified (water-resistant, tested in 1 meter depth). If you are looking for a fully waterproof sensor, please check out RuuviTag Pro (2in1), which is IP68 or IP69K certified (waterproof, tested in 50 meters depth). See the certification of each sensor directly on the product pages.

Please keep in mind that Bluetooth signals are strongly attenuated in the water and range will be significantly reduced. Ruuvi sensors can then be used in narrow water if you want to maintain connection (for example pool or jacuzzi). If you want to measure deeper, you can attach the RuuviTag Pro to a string and take it back to the surface when you want to download the data history.

What are the operating conditions of the Ruuvi sensors?

Temperature

Electronics of the Ruuvi sensors can support temperatures between -40°C (-40°F) and +85°C (+185°F). However, the market standard CR2477 batteries’ operation range is usually between -20°C (-4°F)  and +70°C (+158°F). Do not exceed these temperatures without shopping our custom made wide-range battery, which is designed to operate with the same limits as the electronics of the sensors.

Dust & Water

All the sensors are resistant to dust and moisture. Some of the sensors are IP67 certified (water-resistant) and some are IP68 or IP69K certified (waterproof). See the specific certifications for each sensor on the product page. Please keep in mind that water lowers drastically the range of the sensors.

How to monitor the Ruuvi sensors remotely?

The Ruuvi sensors can be monitored with just a mobile device and the Ruuvi Station app within the Bluetooth range. If you want to monitor conditions from further, you’ll need our Ruuvi Gateway product.

The Gateway is connected to the internet and listens to sensors with a higher sensitivity than a regular mobile device. The test results talk by themselves: up to 2000 meters between the Gateway and the sensors, compared to 200 meters between a mobile device and the sensors (test realized in optimal conditions without any obstacle).

Then, the Gateway shares the data to our cloud service. The sensor measurements are then retrievable, either from the mobile app or our web interface from anywhere in the world as long as you have an internet connection.

Do I need to charge my Ruuvi sensors?

No, the power of the Ruuvi sensors is supplied by CR2477 coin batteries, included in the box. One battery lasts usually between 1-2 years in continuous use. The battery is easily replaceable by the user making our products very sustainable and lowering their maintenance costs to a few euros every two years.

Check how to change the RuuviTag battery!

Can I use the Ruuvi sensors to monitor my sauna?

Yes you can!

The sensor’s temperature increases slightly slower than the sauna’s temperature and the readings depend a lot on where it is placed inside the sauna. But that’s not a problem! Just check at the first use what is the sensor reading when the sauna is just perfect for you. Then, set the alert to this specific value to get notified when the sauna is ready and to get the perfect temperature every single time!

Please note, that if the sensor is reaching temperatures above 70°C (85°C with a custom battery) you should consider setting the sensor somewhere lower in the sauna to avoid any thermal damage.

What is the range?

Using only Ruuvi sensors

The sensors send data packages via Bluetooth to your mobile device. Thanks to optimized sensor antenna design, in perfect conditions without any obstacle, the Bluetooth range is up to 200 meters, which is way more than that regular Bluetooth speaker.

Please keep in mind that any obstacle, especially metal enclosures, concrete walls, or proximity of water will lower the range.

Using Ruuvi sensors + Ruuvi Gateway

The sensors send the same data packages as above with the same emission power. However, the reception antenna is way better on the Ruuvi Gateway than on a regular mobile device. The highest range ever recorded, in optimal conditions, between the Gateway and the sensors is a vertiginous 2000 meters!

The Ruuvi Gateway shares then data to the cloud service and the sensor readings are then retrievable from anywhere in the world as long as you have an internet connection.

Are Ruuvi products compatible with a home assistant?

The Ruuvi products are not directly integrated into home automation systems. However, all our products are open-source and can be integrated to any home automation system, requiring some further development. Discussions and tutorials about the topic are available on our forum.

How fast is the shipping?

We work with the best courier partners and do our best to proceed to the shipment within 24 hours from the order! All the products are sent from our warehouse in Finland and delivery time depends obviously on your location. We will provide you with a tracking number automatically to your email so that you can follow where your Ruuvi package is going.

Can I see the data history of my Ruuvi sensors?

Yes you can!

Up to 10 days with the Ruuvi sensors alone

The Ruuvi sensors have built-in storage enabling them to store 10 days of measurement data. You can import the data to the Ruuvi Station mobile app at any point by pressing “sync” button in the app. This means that even when leaving from the Bluetooth range, you will be able to see a detailed 10 days history when coming back and synchronizing.

Up to 3 years with the Ruuvi Gateway and our cloud service

If this 10 days of data is too short, or that you want to be able to monitor your sensors remotely, you should consider the Ruuvi Gateway. It enables you to analyze up to 2 years of data history on the convenient and intuitive desktop version of Ruuvi Station. Also, no need to synchronize, the Ruuvi Gateway is continuously sharing data to the cloud and it is retrievable from anywhere around the world as long as you have an internet connection.