ECOWITT WH0291 Soil Moisture Tester Plant Soil Moisture Sensor Meter with Digital LCD Display
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FREE refund/replacement until Jan 31, 2026
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Availability:
In Stock.
Arrives
Tuesday, Feb 10
Color: WH0291B
Features
- Soil Moisture Meter: measures soil moisture content within 72 seconds to let you know when to water your plant
- Digital LCD Display: with lovely flower pot icon to directly display the moisture level, easy to read
- Indoor & Outdoor Use: waterproof moisture sensor, can be used for indoor outdoor potted plants, lawn, garden and more
- Custom Mode: with 0%AD and 100%AD custom mode to manually calibrate the low/high moisture value so that you can get more accurate result for different soil types
- Time Display: With 12/24hr digital time display; 2 AA batteries(not included) needed for the display console and soil moisture sensor(one for each)
Color: WH0291B
Brand: ECOWITT
Product Dimensions: 5.91"W x 1.18"H
Battery Description: 2 x AA batteries
Mounting Type: Tabletop
Color: ‎WH0291B
Brand: ‎ECOWITT
Product Dimensions: ‎5.91"W x 1.18"H
Battery Description: ‎2 x AA batteries
Mounting Type: ‎Tabletop
Upper Temperature Rating: ‎50 Degrees Celsius
Voltage: ‎1.5 Volts
Manufacturer: ‎ECOWITT
UPC: ‎711639641105
Part Number: ‎WH0291B
Item Weight: ‎6.7 ounces
Item model number: ‎WH0291B
Is Discontinued By Manufacturer: ‎No
Material: ‎Stone
Item Package Quantity: ‎1
Batteries Included?: ‎No
Batteries Required?: ‎No
Description Pile: ‎2 x AA batteries
Date First Available: April 21, 2018
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Feb 10
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: WH51B
I have tried sooooo many different moisture meters from really cheap crap with double metal rods that show light intensity, moisture, and soil pH which is always inaccurate, single metal rod by XLUX company which are very reliable and very accurate but you have to poke the soil in multiple places which damages roots, to expensive ones by Blumat that cost $90 per each meter which is way overpriced and it only shows the moisture without any graph 📈 or remote Bluetooth or Wi-Fi capabilities, and bunch of other ones that were always showing wrong readings, until someone told me to try these Ecowitt WH51 and WH51L sensors. The WH51 model is great and shows moisture levels from the top 7 inches of soil which is great for all types of pots up to 7 to 10 gallons. You can and should also buy their Wi-Fi Gateway that gives you access to the moisture meter data from anywhere in the world and it comes with graphs that show previous days, weeks, months readings that you can compare and dial in your watering habits for better performance. You can add up to 8 devices per each GW1100 Wi-Fi Gateway and it comes with an app, as well as their website and you can set up alerts to come in through the app, as well as get an email alert when soil goes below your indicated level which is very very useful. Now when it comes to raised beds and 20+ gallon containers I had to purchase the WH51L model which comes with a probe attached to 1 meter long cable which allows you to use them in deep pots/beds/containers and they can also be connected to the same GW1100 Wi-Fi Gateway. The WH51L model had just came out 2 weeks ago and is only available on Ecowitt's site, but I was able to buy them 2 weeks prior to them being available for sale and it turns out both of these models are very accurate. The Wi-Fi gateway also has a temperature and humidity and pressure sensor which gives you readings of the room where the gateway is located. I plugged in mine inside my grow room next to my grow tents to monitor the temperature and humidity inside that room to make sure my grow tents are in an optimal environment. I can't say enough good things about Ecowitt! Customer service is very helpful and very responsive. The only thing I did not like is that they are based in China and you can't really call them and the only method of communication is via email but like I said they are very helpful and responsive, however, they'll respond within 24 hours. If you haven't tried this company yet, then don't waste your money on anything else and do yourself a favor get this Wi-Fi Gateway along with the moisture meters because you won't be disappointed. I was very surprised that they are very inexpensive in comparison to other meters who have half the functions or even quarter functions and work so great and the battery lasts way over a year. I mean when comparing to the Blumat meter that cost $90 it's like comparing apples to oranges because for $90 it should be able to do more, at least have remote capability but it doesn't even have that option. In my opinion it's extremely overpriced and these Ecowitt devices without a doubt are blowing away Blumat meters. I hope this helps 🪴🪴 UPDATE: It's been 1.5 years since I got these sensors and the batteries gone from 1.6v power which is completely full batteries to now 1.5v and a couple of them at 1.4v which is almost full and still at 90% capacity. I haven't disconnected the batteries once and I use them continuously cycle after cycle and the only thing I do is I rinse them in between cycles and then insert them into the new container and change the name in the app and voila. Just amazing! 🤩
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Reviewed in the United States on November 26, 2023 by Yuriy Yuriy
Color: WH51B
I have five of these operating around my home. I live in an area with extremely poor soil conditions that subject my slab-on-grade home to extreme foundation movement if I don’t keep soil moisture consistent season to season. During long, hot summers my soil dries out and causes my foundation to shift dramatically. I bought a couple of these sensors in late summer 2019 to gauge long-term trends to determine ideal soil moisture conditions. After a year of gathering data, I found a good range for soil moisture to minimize foundation movement. I purchased three more (and a WN51) to stake along the perimeter of my home to monitor my soil moisture in real time. By getting this data I’m able to determine when I need to run the soaker hose and irrigation system around my home. While my foundation still moves, I’ve noticed a dramatic difference associated with keeping soil moisture levels within 5-7% of their target. I realize this might not be the targeted use of these devices, but I believe their reliability in my application serves a ringing endorsement for others looking to monitor the moisture levels in their planters in real time. The user interface is average. The app, without a full PWS, seems less than functional. I almost prefer the web-version to the app because it only shows me the active data. This, ultimately isn’t too important to me. If I could export daily data as a .csv, I’d like that ability but it’s not a deal breaker as my primary use is observation of long-term trends. For those with privacy concerns, it’s easily addressed by connected the hub to the internet via a secured guest network. If you’re not already running all of your smart devices on their own secured network away from personal devices, I suggest you do so. I’ve got a couple notes for prospective buyers: 1) I think I prefer this model (WH51) over a similar moisture meter (WN51) made by Ecowitt. These seem more granular in their ability to notice subtle differences in moisture and react much faster to changes in moisture levels. 2) Use a good lithium ion battery. At least two of my sensors have functioned for almost a year without needing to change a battery. They’ve operated in temps from 20-110F. 3) Spend 5 minutes calibrating your devices to the type of soil where the meter will be placed. Mine are primarily in Texas black clay and they require some calibrating tweaking from default. Also, in relation to the first point, the WH51 seems to have a much larger range from 0-100% saturation than the WN51. No clue why, but I like the more precise ability to measure incremental changes in moisture. I’ll update my review over time with any additional notes or issues that may arise.
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Reviewed in the United States on August 15, 2020 by IEF89
Color: WH51B
I have about ten fruit trees and 10 blackberry plants, I had them for 3 years and they have come to the large you really need tp manage the water levels to get the most and best fruit. I jumped in head down this year with all the correct fertilizers and oils the plants need but, when it came to the water or moist of the soil it looks dry on the first inch or so but then where the roots are it's wet and you over water. I looked for months on the best products to just have the water level happen automatically each day as needed. I already collect 3300 gallons of rain water from my house so the water has all the natural chemicals needed, I have a pressure pump system to supply my mini sprayers but now how wet is the soil.??? I read up all the descriptions of how to setup and use this system and found next to nothing others then call them if you buy the units and need help. I did not want to waster my time with someone that may not work but, I took a chance and I I glad I did. THEY COULDN'T be easier to pair and install. You simply hook the receiver to your wifi in settings then downland their app next, put a battery in the soil unit wait 30 second and the sending units are seen by the app automatically I WISH other system were this easy you can't make a mistake. Buy these product the are outstanding in every way, attached are some screen shots you can check the soil from location you happen to be at and for me it just press that zone button and my plants are done, I only have to manually press the water button for that zone if the soil is behind dry even after the automatic cycles. GREAT product and , oh by the I own a world wide computer computer and know a GREAT product on the technology side and this rates the highest on ease of setup and results.
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Reviewed in the United States on March 9, 2022 by Michael L. Michael L.