
Numerous sensible residence firms make temperature and humidity sensors. Typically it’s onerous to determine which one to purchase. I personal a dozen or extra, starting from sensors I’ve made to units focusing on different issues but additionally measure temperature and humidity. I just lately received my fingers on the Meross MS100F sensible temperature and humidity sensor. There are a couple of options it has that make it price contemplating over opponents. Learn on the discover out what they’re.
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Meross MS100F specs
Technically, I’ve the Meross MS100FHHK equipment which provides the Meross Wi-Fi sensible residence hub (the MSH300HK). The hub makes the machine out there through the cloud and provides integration with different ecosystems like Alexa, Google Assistant, and HomeKit. If you have already got a kind of, you don’t want the equipment, simply the sensor.
I’ll record the specs for each units beneath:

Meross MS100F Temp and Humidity sensor specs
| Temperature vary | -10°C~50°C (14°F~122°F) |
| Humidity vary | 0-95% |
| Energy provide | Photo voltaic (ambient microlight assortment) + CR2477 battery |
| LED | 1 standing LED |
| Dimensions | 2.2 x 2.2 x 0.73 in. / 56 x 56 x 18 mm |
| Weight | 40g (1.4oz) |
| Wi-fi customary | 433MHz (for communication with sensible hub) |
I ought to word that Meross has one other equally named temperature and humidity sensor, the MS100. It’s a totally different mannequin that doesn’t embody the ambient microlight assortment.
Meross MSH300HK Wi-Fi hub specs
| Dimensions | 2.32 x 1.61 x 0.83 in. / 59 x 41 x 21 mm |
| Weight | .88oz |
| Wi-fi customary | 802.11 b/g/n 2.4GHz Wi-Fi 433MHz for speaking with units |
| Energy | 5V DC, 500mA (5V/1Amp micro-USB adapter and twine included) |
| Appropriate units | HomeKit Built-in Hub MS100, MS100F, MS200, MS400, MTS100, MTS150, MTS150P, GS559A Non-HomeKit Built-in Hub MTS100, MS100 |
| Ecosystem integrations | Apple HomeKit, Google Assistant, Amazon Alexa, Samsung SmartThings, Residence Assistant |
The Wi-Fi sensible hub pairs with Meross low-energy units to make them out there through the Meross app and sensible assistants. It may well assist as much as 16 units without delay. You want the Wi-Fi Hub to make the most of the Meross MS100F sensor.
It’s compact and straightforward to energy. However, I want it used a USB-C connection as an alternative of a micro-USB. I additionally want it supported 5GHz Wi-Fi indicators like 802.11ac. Few sensible units assist 5GHz indicators, nevertheless.
You should buy the machine immediately from Meross:
Editor’s Word: You’ll be able to save 10% in your order from the Meross retailer when you use our unique coupon code: HTH10.
Organising the Meross MS100F
Organising the Meross MS100F is a snap, however first, you’ll need to create an account with Meross and arrange the Wi-Fi hub when you haven’t already. Let’s stroll by the steps. You’ll be able to skip to step 5 when you’ve beforehand configured the Wi-Fi hub and created a Meross account
- Obtain and set up the Meross app (Android | iOS)
- Create an account with Meross and log in. You are able to do this by the app by clicking the Log In button on the high proper.

- The app will stroll you thru organising the Wi-Fi Hub, which you’ll must do earlier than including the sensor.
- It’s possible you’ll be requested to replace the firmware of the sensible Wi-Fi hub. Go forward and do it.
- Click on the + button on the high of the app so as to add the MS100F sensor. You’ll have a listing of machine classes to select from and also you’ll need to select from the sensors, after which choose the MS100F.

- Then, as soon as once more, you simply observe the steps within the app. You’ll want the offered pin (like what’s used to eject a SIM card) to press a button on the MS100F sensor to set off pairing mode, however that’s about as sophisticated because it will get. When finished, you’ll see the machine within the app just like beneath:

Utilizing the Meross Temperature and Humidity sensor
There’s actually not a lot you must do to “use” a temperature and humidity sensor. You’re simply checking the temperature and humidity. Nevertheless, the Meross sensor has a couple of options you need to be conscious of:
- The Meross app lets you verify the temperature and humidity from anyplace on the planet.
- Though it has a coin battery, it additionally has photo voltaic charging. You must by no means want to alter the battery, as long as you find the sensor in a spot that receives adequate daylight.
- You’ll be able to observe the historical past of the sensor values within the app, so you’ll be able to understand how the temp has diverse over time. It shops two years’ price of information which you’ll be able to export.
- The sensors can be utilized as triggers for different actions if in case you have different Meross units. As an illustration, when the temperature will get too scorching, you could possibly activate a fan hooked up to a sensible plug.
- Along with the automations, you can too arrange temperature and humidity alerts to inform you when these sensor values hit ranges that you simply outline.



- You’ll be able to simply combine it with Alexa, Google Assistant, or Apple HomeKit. This lets you verify sensor values through voice request. You too can combine it with Residence Assistant, talking of which…
Integration with Residence Assistant
As common readers know, I’m an enormous Residence Assistant fan. It’s the excellent sensible residence hub for me. It will be important for my sensible residence units to have the ability to combine with Residence Assistant so I can maximize the “smarts” in my sensible residence.
Integrating any machine related to the Meross Wi-Fi hub is easy. You should use Residence Assistant’s HomeKit Controller integration. Likelihood is, the Meross hub was already detected by Residence Assistant and is ready to be arrange. If it hasn’t you’ll be able to merely add the combination.
Both method, you’ll be requested for a pairing code. This may be discovered on the facet of the Meross Wi-Fi hub. After coming into it, Residence Assistant will routinely create entities for the MS100F’s temperature and humidity sensors. That’s all it takes.
Options
There are a plethora of sensible temperature and humidity sensors, and it’s onerous to face out. Most individuals choose their sensors primarily based on the protocols they use of their sensible residence (Zigbee, Z-Wave, Wi-Fi, Bluetooth, Matter, and many others.) and worth.
I personal a number of totally different temperature and humidity sensors. Some that I’ve made, and some that I’ve reviewed (e.g., the SwitchBot Outside Sensor). The great thing about the Meross sensor is that so long as you’ve got a house Wi-Fi community, it may be suitable along with your sensible residence. And, not like lots of different sensors, it’s HomeKit suitable.
The true differentiator, nevertheless, is that you simply by no means want to alter the batteries of the Meross temperature and humidity sensor. I’ve so many sensors that require batteries that I created a dashboard in Residence Assistant to trace their values and which kind of battery every machine takes. I’m so glad I don’t have to do this with this machine.
Listed below are a couple of different well-liked sensible temperature and humidity sensors that you simply may need to take a look at:
Last ideas
The Meross MS100F is a superb temperature and humidity sensor. Paired with the Meross Wi-Fi hub, you’ll be able to view sensor standing and obtain alerts from anyplace. You’ll be able to even arrange automations primarily based on the sensor values.
In the event you’re on the lookout for a dependable and correct sensible temperature and humidity sensor that by no means wants a battery change, I believe you’ve discovered your winner.


