TFA Dostmann Maxima-Minima Analog Thermometer 10.3014.02 Highs and Lows Weatherproof White L 80 x W 32 x H 232 mm

Mine works great! Very happy with it. The very first time I used it, the minimum marker didn't stay put as it should have done but I just reset it and after another warm/cold cycle of day and night it had stabilised. It's easy to use, just be a bit patient and place it upright, reset it and let the liquid in it settle for a day or two

Absolutely useless. The liquid in the tubes split into many little pieces within 24 hours of receiving the thermometer. Despite following the instructions on the product page on Amazon, it would not reset. Avoid!

Clear to read with good instructions.

I had this working well for a week when the red liquid started breaking up. I wanted to return the thermometer but the returns to a country outside uk involved pasting several large address and customs notices to a small parcel. The return postage would be over £2 which would be refunded if product faulty. It was not worth the hassle. I then discovered how to make the bubbles dissipate by breaking them up into tiny ones which would fall down under gravity to the clear column. Using a strong magnet, agitate the blue markers across the bubbles until broken up. When complete, the min and max readings were slightly different so by flexing the case, it easy to take all apart and reposition the glass using new hot glue. Discovered that the red column would break up again if the thermometer jiggled in the wind, so secured firmly. I therefore accepted this product because it is easy to repair. It would be improved by using a better contrast liquid.

The gaps in the liquid are difficult to close by the normal shaking of the thermometer. Wouldn't buy this thermometer again although I suspect many others suffer the same problem. Not keen on battery operated as they seem to fail quickly

I had an old mercury one of these for many years - in fact I still have it but the small magnetic indicators don't defy gravity any longer (yes I should have just laid it horizontal!). This one has no mercury (I'm assuming that's considered a good thing) and it works fine. I have tried the ones with LCD display but I suspect the temperatures in a greenhouse get too hot for them. I've tried a couple of these and the segments tend to stop working. It's amazing how important it is to have all the segments working.

This item has not worked since I purchased it On Leaflet gives you troubleshooting to carry out done this a few times still does not work

This thermometer works well and appears accurate. The instructions appear translated from German and are not very clear. The thermometer works based on clear fluid expanding or contracting from the *bottom* of the the thermometer up the scale to indicate the temperature. If the columns of clear (note - NOT orange) fluid that indicates the temperature on both scales become "bubbled" the following procedure will correct them. 1) Use a fridge magnet or similar to slide both the metal maximum and minimum indictors up the scale to the very top of the thermometer. 2) Then hold the *top* (NOT the bottom) of the thermometer and shake it like an old mercury thermometer to drive the bubbles from the columns of clear fluid indicator. 3) Press and hold the button until the maximum and minimum metal indicators reset at the top of the fluid. I am glad to find an old fashioned analogue thermometer that is accurate. - I doubt the battery required for a digital will last any time given the temperature variations it will have to endure. No error of measurement is given in the instructions but both scales give a reading of the current temperature consistent with each other and appear to measure within one degree of accuracy. .

Affiche n'importe quoi. Comportement erroné

Ne fonctionnait plus après une chute : article immédiatement remboursé. Bravo

Is echt heel erg slecht, ik heb een nieuwe ontvangen omdat de 1e niet afleesbaar was. Echter de nieuwe was na een paar dagen niet meer afleesbaar, er zitten luchtbellen in de thermometer. Dus toen maar weggegooid. En bij andere webshop een andere gekocht./

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