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Your cart is empty. Green Digital Greenhouse Thermometer – Max Min Thermometer to Monitor High and Low Temperatures in a Greenhouse – Hi Lo Temperature Recording Thermometer
Digital high low thermometer in a green case with roof to protect against the weather. The thermometer is suitable for outdoor or indoor use but is commonly used as a greenhouse thermometer. It has a triple display which simultaneously shows minimum, maximum and the current temperature.
The high and low temperature (or max min) recording can be reset with the touch of a button. The thermometer can also display temperature in C or F, which can also be swapped by the touch of another button.
The high low thermometer can be easily wall mounted and positioned to your needs indoor or outdoor. If the thermometer needs to be placed outside, we do recommend it does have some form of shelter to protect from driving rain and direct sunlight. This will eliminate rain ingress and will also give a more accurate air temperature reading.
Greenhouse Thermometer Specification
Temperature Range: -10 to +50°C&F
Accuracy: +/-1°C
Sampling Rate: Every 10 seconds
Product Dimensions: 150 x 80 x 29mm
Water Resistant: To IP65
Battery usage: 1 x AAA (Included)
CE & ROHS/WEEE: Approved
Colour: Green
havet1
Reviewed in the United States on March 15, 2025
I think this is a great thermometer for the price
Paul C
Reviewed in the United States on February 27, 2025
Nice clear readings and easy to reset
Chris
Reviewed in Germany on January 5, 2025
Gibt daran nicht zu meckern, leicht zu bedienen und abzulesen, arbeitet weitgehend präzise, gerne wieder.
Laughing Crow
Reviewed in the United States on January 28, 2025
For a simple min/max thermometer, this is the best I’ve ever found. Years ago I purchased one to keep on my porch, and it has never failed me, so I finally decided to buy another for my greenhouse. Unlike some that automatically clear the recorded temperatures every 24 hours, this requires manual clearing, so you never accidentally lose your data and can clear it when you’re ready.
Les O
Reviewed in the United States on January 27, 2025
As described.
Philippe yvorra
Reviewed in France on September 10, 2024
J'ai acheté ce thermomètre numérique à minimum et maximum pour surveiller la température dans ma serre, et il s'est avéré être un excellent outil pour gérer les conditions climatiques. Il est à la fois facile à utiliser et très pratique, que ce soit pour une utilisation en intérieur ou en extérieur.Précision et lecture facile :Le thermomètre affiche clairement les températures minimales et maximales, ce qui est particulièrement utile pour surveiller les variations sur de longues périodes. Il est très précis, et les chiffres sont bien lisibles sur l'écran. Cela m'a permis de suivre les températures dans ma serre avec une grande fiabilité, surtout pour protéger mes plantes des variations extrêmes.Facilité d'installation :Ce thermomètre est très facile à installer grâce à son design pratique qui permet de le fixer directement au mur. Je l'ai placé à un endroit stratégique dans ma serre, et il reste bien en place. Il est assez compact pour ne pas prendre trop de place tout en restant visible et accessible.Utilisation polyvalente :Ce thermomètre peut être utilisé aussi bien à l'intérieur qu'à l'extérieur, ce qui le rend très polyvalent. Que ce soit pour surveiller les conditions dans une serre, une cave ou même à l'extérieur, il s'adapte facilement à différents environnements. Le fait qu'il affiche à la fois les températures actuelles, minimales et maximales est un réel avantage pour garder un œil sur les variations de température.Avantages : Lecture précise des températures, avec des valeurs minimum et maximum facilement visibles. Installation facile grâce à sa capacité à être fixé au mur, pratique pour différents espaces. Utilisation polyvalente : peut être utilisé à la fois en intérieur et en extérieur. Affichage clair et lisible, idéal pour une surveillance régulière. Conception compacte, sans encombrer l’espace.Inconvénients : Nécessite un reset manuel pour remettre à zéro les valeurs minimum et maximum, mais ce n'est qu'un petit inconvénient pour une utilisation à long terme. Pas de rétroéclairage, ce qui pourrait être un plus pour une utilisation dans des endroits faiblement éclairés.En résumé, ce thermomètre numérique est un excellent choix pour quiconque souhaite surveiller les températures de manière précise et fiable. Il est facile à installer, polyvalent, et parfait pour une utilisation en intérieur comme en extérieur. Je le recommande vivement pour ceux qui cherchent à maintenir un contrôle optimal de leurs espaces.
Nikwax
Reviewed in the United States on August 8, 2024
Just what my wife needed for her greenhouse, it has a look that fits in perfectly. Maximum and minimum easy to read.Might be better with humidity, but that would make it larger and more cluttered.
myriam oliver
Reviewed in the United States on October 3, 2024
Cute little gadget very accurate for little greenhouse. Soon as grow lights on led it noted the increase in heat.
Antonia Fernandez Lopez
Reviewed in Spain on January 2, 2024
Envío perfecto gracias
Cliente
Reviewed in Italy on August 3, 2023
Comodo nella lettura, preciso, si resetta facilmente è uno strumento affidabile che conosco da anni .- Per quanto mi riguarda lo tengo all'esterno da - 10° a + 50° e dura nel tempo anche 10 anni sotto tutte le intemperie ....- Affidabile lo consiglio .-
Kim
Reviewed in Sweden on June 29, 2023
Den uppfyller mina förväntningar.
Janie
Reviewed in the United States on December 3, 2022
This has been my favorite thermometer over the past year for min/max readings. No wi-fi or internet needed. Simple, straight-forward, works. Just ordered 2 more to put in two garden beds to compare how well winter protection on the garden bed works (one covered, other not).I use this to take pics of the min/max and then reset it when I want. Works perfectly for that.I have a different digital remote thermometer that works well too, but its reading of the min/max reset at midnight and it won't show the day's min and max on same screen. That one does let us check current temps and do alarms, so use it for that. This one is better than that for min/max though. It also gives temp to one decimal point, whereas the other one is always roinding up to nearest whole number (even if .1). So this one seema more accurate.When I got this and the digital remote one I also got an old clockface type (which totally failed to weather the weather). This min/max/current temp has lasted 120° F+ and single digit° F temps just fine, still accurate it seems too.
Joni
Reviewed in the United States on October 28, 2022
I bought this because it wasn’t expensive, was digital, and I could hang it in my greenhouse.I’m not saying this is a bad thermometer, but it’s not what I need.Here’s my opinion:On a budget, this is a good price.However I don’t know that it’s 100% accurate.Registers same temperature as outside the greenhouse with only a couple degrees difference (shouldn’t it be more than 5 degrees F?).I’ve not done multiple testing in the greenhouse cause ain’t nobody got time for that. I put another thermometer in today, so I can see if it is, but I’m not going beyond that.This is my first year with a green house in WA, so I’m super picky in what I’m looking for.If you’re keeping it under a porch where it’s not gonna get wet ever, and you don’t need to control a greenhouse temperature like I do, then it’s probably going to be just fine.It’s not supposed to be in humidity or rain. Which, living in the PNW in winter, you get lots of moisture just in the air from the rain; so while it’s not gonna be wet in the greenhouse, it’ll be moist and humid for sure.It’s rated for outdoor and greenhouse so it makes no sense to me. I know it’s battery operated so that’s probably why.Then the sunny part: no direct sunlight.Well it’s not gonna be direct sunlight, as in open air, but it’s still gonna be in the sun cause that’s where my greenhouse is (it’s a white one, not green in color, cause in PNW I need all the brightness I can get in winter).I will probably look for an old fashioned bulb type thermometer, I was just hoping to get one that would hold the lowest temperature so I know what I need to do to keep my plants warm through winter.Jury still out for a couple more days, though I bought two, only opened one, will probably return both.
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