Brannan Max Min Thermometer and Hygrometer - Ideal Greenhouse Thermometer and Humidity Meter to Monitor Maximum and Minimum Temperatures and Humidity Easily Wall Mounted

I haven't yet managed to fit the Max/Min thermometer as it only has a keyhole shaped mounting hole and my greenhouse has an all metal frame. I will need to make up a backing plate to which I can fit a screw for the instrument to hang on, and at the same time allowing the backing plate to be attached to the metal structure - somehow and I haven't yet come up with anything suitable. The greenhouse structure is all aluminum as are the screws that hold it all together. These screws are all cut to length so that there is nothing left to which I can attach the plate to. This is annoying as the instrument looks great and is well made and my old Max/min mercury/alcohol thermometer has worn away internally and so does not register accurate temps any more.

I got this to track temperature in my enclosed porch in early spring and my garage in the winter. I use the porch to as a staging area for vegetable seedlings before planting in the garden. I store some vegetables, like potatoes, in the garage in the fall and winter. So this thermometer works nicely to show you the min and max temperature. It's easy to reset. There are 2 concentric knobs in the center, one for the max temp reading and one for the min temp reading. You turn the max knob counterclockwise to set the max reading arm near the current temp. Note, it's a bit stiffer and harder to turn. Then you turn the min reading arm clockwise to just below the current temp. Once you're used to the feel of how they turn, it just takes a few seconds to reset. I prefer this to battery powered versions. I've been using this for multiple years now, and it continues to work well.

After reading many of the reviews here, I was reluctant to buy these min/max thermometers, despite their handsome styling. I took the chance anyway and received 2 thermometers that actually match in their readings, as well as read accurate when compared to other thermometers I have in the room, including my furnace’s thermostat - so I’m mostly happy. The setting dials are a bit tight, yes and can influence each other when adjusted, but a little finagling will get them set properly. The min/max needles do obscure the main temperature needle some when they overlap. Perhaps a better method would have been to position the main, black needle on top of the blue and red min/max needles (as with a different min/max thermometer I have). The large back end ‘paddles’ of these needles also obscure the humidity scale. Also, it appears they prioritized the Celsius scale over the Fahrenheit scale on the faces. Mine has the Celsius numbers large and positioned on the outside of the scale while the Fahrenheit scale is small and jammed-in more tightly, running on the inside of the scale. With all those needles and the tightness of the design, it makes it a little difficult to see an accurate reading of Fahrenheit numbers at times. The thermometer is all plastic and very lightweight. There’s a simple key slotted hole on the back for mounting, but no screw is supplied. The package claims the thermometer is made in the UK. Overall I’m satisfied and would recommend this thermometer with the above mentioned caveats.

Never worked, I received the item and it never regulated to a real temperature, I have tried resetting many times, but it always shows a temperature that is not real, it also doesn't have any way of accessing it to repair it or check what's going on, just a super simple plastic item that never worked, Im so upset I cannot even return it as it has been a while

You may notice that previous ratings for this item are all over the place, and you probably wonder why? Well, unfortunately, based on my experience with 3 of the same thermometers, all of the ratings are correct. The problem seems to be quality control, a real disappointment, considering these were made in England, not China. In December, I ordered 2 thermometers, one for myself, one for a gift. Glad I did, because one was accurate, the other was not. So I gave the good one as a Christmas gift, and returned the other for exchange. The accuracy of the temperature readings on the two was worlds apart (one very accurate, the other 10+°F too low). They both appeared to be well constructed, with good materials, and resetting the min-max indicators was easy. On the replacement I received, the temperature reading is accurate, and it, like the first two, is well constructed. However, resetting the maximum indicator is virtually impossible without a set of pliers (as a previous reviewer mentioned; I thought she was exaggerating; she wasn't!). I thought about returning it for a third try, but decided the next one might be worse. I figured I had one with an accurate temperature, and that was more important than easy-to-reset indicators. So I'm sticking with the one I've got, and I only bother to reset it when temperature extremes are predicted that I want to record. And I'm hoping that with use, the reset knob will get a bit looser. I did not mention the humidity reading, because I didn't tested that for accuracy. Based on our local TV meteorologists' reports though, it seems to be reasonably close. This is a very pretty, even classy-looking, tool. It is well-constructed of nice quality plastic and metal. If it weren't for the light weight, I would think the front of the dial was glass. Crystal clear, no flaws that I can see. As I said, very nice.

The reviews for these thermometers are all over the place, which made me hesitant to buy any of them... but I really wanted a mechanical Min/Max Thermometer that I didn't have to babysit a power supply for. Batteries tend to fail quickly in a greenhouse when it's hot & when temps are below 40° F. I bought 3 of these Min/Max Thermometers... & they all work. All are accurate to the degree, compared to 5 different thermometers I have. Even the hydrometers are accurate to within a 5% variance. Reviews that complained about the min & max needles moving together... I've noticed this happened with mine, only because the min needle was clocked fully counter clockwise... so when I set the max needle, the min needle also moved. What you need to do is set the max needle 1st... then set the min needle. This way they move separately. Don't have loose needles or overly tight dials on any of the thermometers I bought.

A replacement for one from the 90s. There are not many analog thermometers like these anymore. It is easy to see and you needn't be as concerned about watering, as with a digital version.

I see no reason in the 21st century why we cannot build an affordable consumer-level thermometer that is accurate to at least 1/2 the graduation on the device. In this case the graduations are one-degree Celsius or two degrees Fahrenheit, there for the instrument should be able to read accurately to 1/2 degree Celsius or one degree Fahrenheit. My device reads at least 2 degrees Celsius higher than other thermometers that all read a consistent temperature.

My friend and I each have one, and they work well and are attractive looking

Très bien et fonctionnel dans la serre

Over the years I purchased quite a few Hi Low Temperature Thermometers, all of which have been the now discontinued mercury style affairs. The glass tubes are always far too delicate, and more often than not they break too easily. I've bought several Brannan products over the years, and they have all been excellent quality, and very accurate, so when I saw this rather attractive round needle thermometer, I thought I might give one a test run. The rear casing is made from good quality ABS plastic, if it was metal then the metal coils that react to temperature change would give an inaccurate reading. The main body of the thermometer is a nice metal bronze antique style affair, very clear to read, and the three hands,coloured black,red and blue are also made of metal. Setting both Hi & Low temperature needles is very straight forward, but the main black temperature needle gives a surprisingly accurate reading, that due to its design takes quite a while to settle. That is a good thing, because you know the temperature is being measured carefully. Even the small humidity gauge beneath, responds slowly, and quite accurately as well,compared to the very accurate digital Oregan Scientific weather station on my wall, it works well considering it's a very basic leaf spring construction. Without having seen this temperature gauge in the flesh before purchasing it, there was always a risk that the £13 had been too much to pay, after all it does look very nice in the photographs, but thankfully it represents very good value for money, and above all it's very accurate and if cared for properly should last many years. Always a risk buying a product without seeing it first, but it turns out this was money very well spent.

Bello bellissimo e perfettamente funzionante, lo adoro. Un po' leggero ma si sente che è fatto bene e la funzione massimo/minimo per la temperatura funziona bene.

Cumple su función aunque, lógicamente, no se le puede exigir una precisión extraordinaria. Es elegante, se puede colgar fácilmente en cualquier sitio, o situarlo sobre algún apoyo. Prácticamente no necesita más instrucciones que las que trae para configurar el inicio: poner las manecillas roja y azul en su lugar para empezar. El agarre para mover la manecilla azul (mínima), iba algo duro al principio. Luego hay que dejarlo unas horas para que se estabilice y ya marcha solo. Para hacerse una idea de temperaturas y humedad, más que suficiente.