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🌍 Stay ahead of the climate curve—smart sensing for the savvy millennial manager!
The Govee Hygrometer Thermometer 3 Pack features Swiss-made sensors with ±0.54°F accuracy and a wide 0%-99% humidity range. Equipped with a WiFi Gateway, it enables remote monitoring and smart alerts via the Govee Home App. Compact and versatile, these mini sensors fit anywhere and support up to 10 devices for extensive coverage, making it an essential tool for proactive environmental control.





















| ASIN | B09BVLP9C5 |
| Battery Description | AAA |
| Best Sellers Rank | #6,195 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #33 in Indoor Thermometers |
| Brand | Govee |
| Brand Name | Govee |
| Color | White, Grey |
| Customer Reviews | 4.2 out of 5 stars 2,292 Reviews |
| Included Components | WiFi gateway |
| Item Dimensions W x H | 2.72"W x 2.32"H |
| Item Length | 2.21 inches |
| Item Weight | 0.15 kg |
| Manufacturer | Govee |
| Model | H5151, H5100 |
| Mounting Type | Surface Mount |
| Number of Items | 3 |
| Operating Humidity | 0%-99%RH |
| Part Number | B5151 |
| Product Dimensions | 2.72"W x 2.32"H |
| Temperature Accuracy | ±0.54 °F |
| Temperature Reading Accuracy | plus_minus_0_point_2_degrees_celsius |
| Unit Count | 1 Count |
| Upper Temperature Range | 140 °F |
E**O
I have these all over a house that I visit only once a week.
The house is in the country and on a different electricity provider than our house is. Also, there is a poorly insulated (by me) pump house made of metal in which I put one of these. It's difficult to get the signal to it from the house through the metal and double sided foil lines flexible insulation, but I stuck an empty plastic bottle under the edge of the doorway to this janky structure and moved the sensor closer to the place where the bottle is and the connection has since remained stable. The pump house is maybe about 80 feet away from the router inside the house, so there is a lot of stuff for the signal to get through. I needed to be able to monitor when the temperatures dropped to near or below freezing inside the house and inside the pump house. These sensors have done the truck for me through a relatively long hard freeze here in Texas. So far, I've had to replace the batteries in 2 of the 6 sensors in 2 months and it looks like I'll be needing to change the rest of them soon. They seem to go from showing 2 bars of battery remaining to none as far as I can tell. The one I have in the garage (which was the first to need changing) is already looking like it will need changing again soonish. They're easy to change, but I really would like to get them on rechargeables once I've used up all of the batteries I currently have on hand. They seem relatively accurate compared to others weather stations inside and outside the house and compared to the officially reported temps. I calibrated them all in the same room before placing them in their final positions. Getting them connected to WiFi wasn't all that straightforward, and it took me a bit of time. Once I got one done the others were all easy though. Another reviewer here detailed something they did that made it work and I followed their lead. I can't remember what it was. I did not find the installation guidance of the app all that clear nor the app itself all that intuitive. There's a lot going on in that app that seems confusing and unnecessary to me, but that may be because they have so many devices available to buy and use on a hub - I'm not sure. At any rate, in spite of my hiccups with it, I'd recommend it. Just know you might hit snags with installation and search the reviews here for some tips. Also know you'll be going through batteries and put them in places easy to reach for ease of changing them out. For the price, being able to monitor the temps remotely in 6 different areas of my property and one at a relatively long distance away from the router, this set of sensors and hub is worth it to me. It provides me needed peace of mind regarding the temps and safety of pipes and expensive pump equipment by warning me via phone notification when things are outside of expected parameters.
J**G
Precise and easy to use
I really like these thermometer/hygrometers. They are quite precise, displaying temperature and humidity to the tenth. The historical data is fantastic as well, as it's easy to look at trends over hours, days, weeks, months, or the entire year. Although I've only had them for a couple months, so no long-term experience yet. Initially, I tried one in the RV freezer, one in the RF refrigerator, and one in the RV living room. Yes, there is an "RV" trend there. We are camping out in the RV while the house is remodeled. Anyway, we wanted to monitor the temps in the freezer and fridge zone to ensure they were cooling to the right levels. And they were. And yes, the signal worked right through the refrigerator doors. The base unit was placed about 15 feet away under the dinette (cause that's where the outlet is). :) As the season progressed and it got much colder, we were more concerned with the temperatures around the freshwater tank and the underbelly area. And we were right to be concerned. The freshwater tank or the feed from the tank to the pump froze when we had the cold snap in early December (Oregon). How do I know it was the tank or tank line to the pump? Well, our RV has a feed hose with a cutoff valve right before the pump. So, I filled a bucket of water, put the feeder hose in the bucket, and ran the pump. Pressured right up and the sinks worked. So, frozen tank or feed line. Anyway, we skirted the RV with cellular foam board, put a small space heater underneath with a thermal switch, and placed the thermostats. One thermostat was hung under the frame in the now enclosed underside of the RV. One in the pump area with all the crazy water lines. And one just outside the RV hanging from an external panel. The lanyards came in handy for that. We were happy to see the underbelly temps come slowly back up above freezing. At this moment (22 Dec 22), it's 36.9 degrees in the underbelly, and 10.4 degrees just on the outside of the RV. And yes, the water unfroze, and everything works again. Yay! We carefully checked for any leaks and were happy to not find any. So, we really like the sensors. They are connected over our home network, so I can check them anywhere, anytime. The Govee app is nice and easy to use, and it's easy to add the devices. I did get one bum battery that died in the first week, but that inconsequential. The others are running strong. And they work fine with our Eneloop rechargeables. Small, precise, and wireless. Good stuff.
M**.
Good Solid, easy to use product.
I bought four of these in order to better monitor the interior temperatures of my multi story home. The interface with my iPhone was pretty easy and with the exception of having to change batteries every so many months the system works flawlessly. It provides room temp at any time plus various reports on humidity, temp fluctuation history etc. It's not going to predict the weather for you but its a decent product and I'm finding them very helpful. FYI I use these since I installed, in addition to my boiler, mini splits for air conditioning and heat. They allow me to keep an eye on all aspects of my homes temperature.
F**Y
Bought these for my Cigar Humidors
I have 3 Cigar Humidors, one main one in my living room, a backup one for overflow when I get good deals on Cigars in my basement, and a 5 Cigar travel Humidor. These things are awesome and I love the fact I can link these to my iPhone! And it has a widget for the iPhone! The instructions say these were calibrated with professional equipment before shipment. I did my own test using Boveda 69% humidity packs. I placed each sensor in a separate ziplock back with a 69% Humidity pack for 72 hours. And sure enough 2 of them were exact at 69%, the other one was 68.9%, and you can solve that through the app with calibration. But you can't get much more perfect with calibration with these. I have yet to find a hygrometer that was accurate, but these are(for those that whine that these aren't accurate, what test did you run?). I like the fact you can place these deep in the Humidor to act like a cigar to transmit temp and humidity. I have to say these are the real deal...and for my need with humidors, they are a must have for any Cigar enthusiast. Very easy to setup if you follow the instructions. I highly recommend. Note these only use the 2.4 GHZ wireless band not the 5 GHZ wireless band so be sure your wireless network supports it. Luckily mine router supports both.
E**N
Definintely not a scientific device. Utterly unreliable
Bought the Govee 5100's with the gateway (x2) in addition to extra 5100's to monitor snake enclosures. Obviously a bit of an esoteric use but regardless, well within the indications of these sensors and functionality. Set-up is incredibly easy. The Govee app feels like you are about to play a video game rather than set up a system of sensors and other connected devices. Not quite the streamlined professional appearance but it's fine for what it is. The sensors connect to the app seamlessly (initially) and then connect to the gateway and wifi easily. No complaints at all. Unfortunately, I don't believe anyone buys these devices so that they can connect them to an app and then walk away. These are monitoring devices for a specific use. While these devices are not lab certified equipment (I trained in biochemistry and molecular biology), they are advertised to measure within reasonable accuracy. And here is ONE aspect where this product utterly fails. When I set these up, I noticed that I was getting readings that varied by 1-2 degrees F between sensors that were nearly side by side. I then bought a thermometer with an NIST certificate to measure against these devices. This more or less confirmed that they are accurate within typically +/- 1 degree F. For what I need it for, I decided that this was acceptable so I continued using the sensors. BUT......after about 2-3 months of using these sensors and gateways I started to notice that monitoring the snake enclosures remotely was becoming less reliable despite no changes in my home wifi network. Since I travel a lot for work, remote monitoring is considered essential for me and a large reason I bought this set-up. More and more frequently, when I tried to update the sensors remotely the wifi would not update through the gateway. THEN, I started to notice some of the sensors would not update despite the wifi gateway updating the other sensors (I'm using around 12-14 sensors). The battery would indicate full yet the sensors were not updating. Changing the battery would only fix the problem about half of the time. Deleting the device from the app and reinstalling it would fix it about half of the time. The problem though is that some of these sensors would just completely stop being found by bluetooth when you try to reinstall them. Govee support has been responsive and has agreed to replace the sensors (I have still to actually receive replacements) but honestly I have no trust or confidence in these sensors and am going to probably eat the money and find something else that is reliable. I don't need laboratory accuracy but I do need to trust that when I am away the sensors I am using are actually working, are going to work and are going to last longer than a couple months. Overall, definitely would NOT recommend this unless Govee makes some real changes.
T**J
Works great, super simple, very affordable
Anyone that lives in a multi-story townhouse knows the struggle of the upstairs being super hot or super cold. I wanted to know for sure how the temperatures were in the individual rooms, and the setup was incredibly easy. The app is simple and clean, no million ads. The history is clear and easy to understand, and very accurate when read with a room thermometer. Now I know at all times how hot or cold it is upstairs, and can adjust the temp on the fly. I highly recommend it.
C**O
A sensor you don’t know you need it, and it’s great!
I am delighted to provide a glowing five-star review for the Govee WiFi Hygrometer Thermometer Sensor 3 Pack. This innovative set of sensors offers an exceptional solution for monitoring indoor temperature and humidity levels with unparalleled convenience and accuracy. The standout feature of the Govee WiFi Hygrometer Thermometer Sensor is its wireless connectivity and integration with the Govee Home app. This connection allows you to remotely monitor temperature and humidity levels in real time, providing you with valuable insights into your indoor environment from anywhere you are. The convenience of checking the conditions in your home while you're away ensures that you can make informed decisions to maintain optimal comfort and health. The inclusion of a notification alert feature adds an extra layer of convenience and peace of mind. The sensors can be set to send alerts directly to your smartphone when certain conditions are met, such as a sudden temperature drop or a humidity level that's outside of the desired range. This proactive alert system enables you to address potential issues promptly, preventing damage to your belongings and ensuring a comfortable living environment. The Govee Home app is user-friendly and intuitive, making it easy to set up the sensors and customize your desired settings. The app's interface allows you to track historical data, analyze trends, and gain a deeper understanding of how temperature and humidity fluctuate over time. The ability to view historical data is particularly valuable for identifying patterns and making informed adjustments to improve your indoor environment. The two years of free data storage and export is a generous offering that sets the Govee WiFi Hygrometer Thermometer Sensor apart. This extended data storage allows you to keep track of temperature and humidity trends over an extended period without the worry of data limitations. Additionally, the ability to export the data is invaluable for sharing insights or maintaining records for personal or professional purposes. The sleek and compact design of the sensors ensures that they blend seamlessly with any interior decor. The discreet profile allows you to place the sensors in various rooms without detracting from the visual appeal of your living space. The sensors' unobtrusive presence is particularly important for maintaining an aesthetically pleasing environment. The accuracy of the temperature and humidity readings is commendable, offering reliable data that you can depend on for making informed decisions about your indoor environment. The sensors' performance underscores their quality and the commitment of Govee to delivering accurate and trustworthy monitoring solutions. In conclusion, the Govee WiFi Hygrometer Thermometer Sensor 3 Pack is an exceptional product that excels in every aspect. Its wireless connectivity, real-time monitoring, notification alerts, user-friendly app, extended data storage, and accuracy combine to create a top-tier solution for monitoring indoor temperature and humidity. With the Govee WiFi Hygrometer Thermometer Sensor, you can achieve a comfortable and healthy living environment while gaining valuable insights into the conditions of your home.
S**.
Govee WiFi Hygrometer Thermometer Sensor 3 Pack: Monitor Your Home or Greenhouse Remotely
The Govee WiFi Hygrometer Thermometer Sensor 3 Pack offers remote monitoring of temperature and humidity for your home or greenhouse. Let's see how it stacks up: Pros: Remote Monitoring: The Govee app allows you to check temperature and humidity readings from anywhere with an internet connection. This is a great feature for monitoring your greenhouse or ensuring your home maintains comfortable conditions. Multiple Sensors: With 3 sensors included, you can track climate data in various locations within your home or greenhouse. Smart Alerts: Set custom alerts for temperature and humidity levels outside your preferred range. This can be helpful for preventing your plants from experiencing extreme conditions or for maintaining a comfortable home environment. Long-Term Data Storage: Govee offers free data storage for 2 years, allowing you to track trends and monitor changes over time. Easy to Use: Users report that the Govee app is user-friendly and set up is relatively straightforward. Cons: Wi-Fi Connectivity Required: These sensors require a Wi-Fi connection to function, which might be a limitation if you don't have Wi-Fi in your desired monitoring location. Limited Range: The sensors don't support 5 GHz Wi-Fi networks, and the range might be limited depending on your home layout or the distance from the Wi-Fi router. Accuracy Concerns: Some users report minor discrepancies in temperature and humidity readings compared to other hygrometers. App Reviews: While generally positive, some app reviews mention occasional connectivity issues. Overall: The Govee WiFi Hygrometer Thermometer Sensor 3 Pack is a convenient option for remotely monitoring temperature and humidity. The multiple sensors, smart alerts, and long-term data storage are valuable features, particularly for those concerned about maintaining stable environmental conditions. However, the dependence on Wi-Fi connectivity and some user reports of minor accuracy variations are factors to consider. If you're looking for a user-friendly and affordable option for remote climate monitoring, and Wi-Fi connectivity isn't a major concern, the Govee WiFi Hygrometer Thermometer Sensor 3 Pack might be a good choice. However, if you need a solution that doesn't rely on Wi-Fi or require high-precision readings, you might want to explore alternative hygrometers.
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