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Smart multifunctional hygrometer and thermometer MEROSS MS120
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- €23,91
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- €23,91
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Meross MS120 No need for a central unit For basic room monitoring A smart multi-purpose home sensor designed for those who want to keep an...
Vendor: Meross
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Meross MS120
No need for a central unit For basic room monitoring
A smart multi-purpose home sensor designed for those who want to keep an eye on the conditions in their room.
- You can monitor temperature and humidity with one device.
- You can more easily notice changes in room conditions.
- Measurements help you adjust the comfort in your home.
MEROSS MS120 Smart Multifunction Hygrometer and Thermometer
MEROSS MS120 is a smart hygrometer and thermometer that allows you to monitor temperature, relative and absolute humidity, dew point and vapor pressure deficit (VPD). The device has a 1.9-inch LCD display that makes it easy to read measurement results. Thanks to Bluetooth Low Energy (BLE) technology and the Meross app, you can view your measurement history and monitor environmental conditions. A built-in alarm with a volume of up to 100 dB warns you when the set threshold values are exceeded. The IP65 dust and water resistant housing, operating temperature range from -20 °C to 60 °C and battery life of up to 3 years allow you to use the device both indoors and outdoors.
Precise measurements and large LCD display
The MEROSS MS120 offers a temperature measurement accuracy of ±0.2 °C and a humidity accuracy of ±2% RH. The sampling frequency every 3 seconds allows you to monitor environmental conditions in real time. You can conveniently switch between five parameters on the LCD display to quickly get the information you need. The device is ideal for use in greenhouses, terrariums, wine cellars and warehouses, as well as for storing musical instruments or cigars. This makes it easier to maintain suitable conditions for plants, animals and objects sensitive to changes in temperature and humidity.
Measurement history and smart notifications
The Meross app allows you to view graphs and measurement history, allowing you to analyze changes in environmental conditions over the long term. The hygrometer stores data locally for 120 days, and when connected to the Meross Bluetooth Hub, it provides access to the cloud history for up to 2 years. The collected data can also be exported for further analysis. The device offers various alert options, including a configurable audible alarm and in-app notifications that alert you when set temperature or humidity thresholds are exceeded. This allows you to respond more quickly to changes that may affect stored items or breeding conditions. The Meross Bluetooth Hub is sold separately.
Durable design for demanding conditions
The housing of the MEROSS MS120 meter is resistant to dust and water (IP65) and UV rays, which makes the device suitable for outdoor use. The hygrometer operates at temperatures from -20 °C to 60 °C and at humidity from 10% to 90% without condensation. These features allow you to monitor conditions in areas exposed to fluctuating temperatures, dust and humidity. Its compact dimensions of 85 × 31.5 × 29.5 mm allow you to easily install the sensor in the desired location.
Power and wireless connectivity
Bluetooth Low Energy (BLE) technology enables wireless communication with a range of up to 150 m in open spaces, while consuming very little power. The hygrometer is powered by a single replaceable CR123A battery that lasts up to 3 years. The MEROSS MS120 is compatible with smartphones running iOS 13 or later and Android 8.0 or later. The device also supports the Matter standard via the Meross Bluetooth Hub, which allows integration with smart home systems that comply with this standard. The gateway is not included in the package and must be purchased separately.
Included in the package
- Meross MS120 hygrometer and thermometer
- CR123A battery
- Battery compartment opening tool
- User manual
| Manufacturer | Meross |
|---|---|
| Model | MS120 |
| Device type | Smart hygrometer and thermometer |
| Display | LCD, 1.9 inches |
| Measured parameters | Temperature, relative humidity, absolute humidity, dew point, vapor pressure deficit (VPD) |
| Temperature measurement accuracy | ±0.2°C |
| Humidity measurement accuracy | ±2% relative humidity |
| Sampling frequency | every 3 seconds |
| Operating temperature range | from -20°C to 60°C |
| Working humidity range | 10-90% relative humidity (non-condensing) |
| Protection level | IP65 |
| UV resistance | Yes |
| Connectivity | Bluetooth Low Energy (BLE) |
| Bluetooth range | up to 150 m in open space |
| Support the cause | yes, via Meross Bluetooth Hub (sold separately) |
| Audible alarm | adjustable, up to 100 dB |
| App notifications | yes |
| History of local measurements | up to 120 days |
| Cloud measurement history | up to 2 years (Meross Bluetooth Hub required) |
| Data export | Yes |
| Power supply | 1 × CR123A battery (replaceable) |
| Supported systems | iOS 13.0 or later, Android 8.0 or later |
| Network requirements | Features that use the gateway require an existing Wi-Fi network. |
| Dimensions | 85 × 31.5 × 29.5mm |
Warranty: months
The text is machine translated.
It is important to know
In addition to measurements, the method of connection to other devices is also important when choosing. The sensor does not use Wi-Fi and does not require a central unit, but the available information does not explain how it connects or which systems it is compatible with.
- If you want to include measurements in automations or monitor them via an app, check compatibility with your chosen system and connection method before purchasing.
- The hygrometer and thermometer label indicates temperature and humidity monitoring; other measurements cannot be confirmed from the available data.
Source of editorial recommendations: ENAA guides and team experience.
In practice
🌡️ Monitoring room temperature and humidity
🟢 Very convenient - the sensor is named as a hygrometer and thermometer, so it is suitable for basic monitoring of temperature and air humidity in the room.
Answers to frequently asked questions
Does it need a control panel to operate?
No, the data states that it does not need a switchboard.
Can I connect it directly to my home Wi-Fi network?
Not via Wi-Fi, as this connectivity is not listed. No other connection method is described in the available data.
Does it also monitor air quality?
The available data confirms temperature and humidity, but not other air quality indicators.
Description updated: November 2026
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Why buy from ENAA?
- The descriptions on ENAA are designed in a neutral way, with clear summaries so you can make data-based decisions.