Most musical instruments are made out of wood. As a building material, wood is light and durable, but it’s vulnerable to changes in humidity. In excessively dry air, wooden parts dry up and may crack as a result. Wooden instruments like guitars and violins for example, are sensitive to any damage or warping, and so their sound quality will suffer significantly from even the slightest distortion.
A large variation in humidity also affects the tune of the instruments. In dry air, the neck of the guitar and violin shrinks and twists, and you have to start every playing session with tuning. The piano, moreover, is difficult and expensive to tune. The warped wood might make the piano go out of tune, making the instrument virtually unplayable.
If the instruments are in an environment that is too humid, mould may begin to form on them. The humidity of the wood in the instruments varies with air moisture. This is why wooden instruments can warp in moist air. In addition, the adhesive surfaces of the parts lose their strength.
When storing musical instruments, stability of conditions is really important. Rapidly changing temperature and humidity levels can cause expensive damage to musical instruments. Instruments are almost always valuable objects. Keeping them in favourable conditions is worth the effort, because nobody would want their expensive piano or guitar to become unusable!
Monitor conditions easily with a RuuviTag
RuuviTag’s measurement data is accurate and reliable. Due to its small size, you can easily place a Ruuvi sensor in the protective case of an instrument or anywhere near the instruments in an inconspicuous location. You can look at the graphs in the Ruuvi Station mobile app to see how temperature and humidity values vary in storage locations. If excessive change is recorded, you can make corrections to the conditions or change the location of the instrument before it’s too late.
Ruuvi’s mobile app’s alarms are also a great tool for a music room’s environmental monitoring. You will be informed immediately if conditions are not optimal. Whether it’s an unsealed window, lack of air humidity or lack of heating, you’ll be informed before any damage can happen to your instrument.
Buy Wireless Combined Thermometer And Hygrometer
Store musical instruments in unharmful conditions with RuuviTag
39,90€
Ruuvi is based in Finland. If you’re an EU consumer, VAT is included. If you’re a non-EU customer, you don't pay VAT. If you're an EU business, insert your VAT ID at checkout.
In stock
RuuviTag Sensor (4in1)
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| 4 stars | 6% | |
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RuuviTag Sensor (4in1)
| Quantity | Unit Price(€) |
|---|---|
| 1 | 39,90 |
| 2 | 37,40 |
| 3-5 | 36,90 |
| 6-8 | 35,90 |
| 9-12 | 34,90 |
| 13-25 | 33,90 |
| 26-99 | 32,90 |
Are you looking for bigger quantities? Contact us for pricing.









⭐⭐⭐⭐⭐ Excellent sensors for RV monitoring and Victron VRM integration
I am extremely satisfied with my Ruuvi sensors.
I use several of them in different locations inside my motorhome: in the refrigerator, battery compartment, living area, kitchen area and other positions. Installation was very simple and the sensors have been working flawlessly from day one.
What impressed me most is the excellent integration with the Victron ecosystem. Through Victron VRM I can monitor all sensor data remotely 24/7, which is incredibly useful when living and travelling off-grid.
The accuracy is outstanding. The pressure readings of different sensors are almost identical, showing only minimal differences, which gives me great confidence in the quality of the measurements. Temperature and humidity readings have also proven to be very reliable.
I have even used the sensors to evaluate the performance of a portable compressor cooler. Thanks to the precise temperature logging, I was able to see that the cooler dropped from 20°C to 0°C in about 30 minutes and reached -20°C in less than an hour. Without Ruuvi sensors, such testing would have been much more difficult.
Battery life has been excellent, setup is easy, and the overall user experience is outstanding.
For anyone using Victron equipment, RVs, boats, off-grid systems, refrigerators, freezers or environmental monitoring, I can highly recommend Ruuvi sensors.
Excellent!
After integrating four RuuviTags into my Victron Cerbo GX / VRM system in our Rapido motorhome, I can honestly say they have transformed the way I monitor the vehicle.
The setup now provides live temperature, humidity and pressure monitoring directly inside the VRM portal, allowing me to monitor critical areas including:
Battery Box
Orion DC-DC Charger Compartment
Engel Fridge
Main Rapido Fridge Area
What impressed me most was how seamlessly the RuuviTags integrated with the Cerbo GX via Bluetooth. Once connected, the data appears natively inside VRM and can be used for real alarms and automation.
I have now configured:
High temperature alarms
Low temperature alarms
VRM email notifications
Relay-triggered audible siren alarms
The system is now capable of warning me immediately if:
the lithium battery compartment gets dangerously cold
the battery box overheats
the Orion compartment becomes too hot
ventilation or airflow problems occur
The accuracy and stability of the readings have been excellent. The tags update reliably and provide a very clear picture of what is happening inside the motorhome.
One of the major advantages is that the system no longer relies on older digital-input alarm methods or complex workarounds. The RuuviTag + Cerbo GX combination feels like a modern, professional-grade monitoring solution.
The compact size, long battery life and wireless operation make installation extremely easy. No extra wiring was required for the sensors themselves.
For anyone building a Victron-based off-grid system, especially in a motorhome, caravan, marine or lithium battery installation, I would highly recommend RuuviTags.
They add a level of visibility and protection that is difficult to achieve any other way at this price point.