My digital thermometer died recently (some parts of the battery compartment went loose).
I found advertisements for thermometers with an analog dial, without batteries (!) from sellers in China, at a low price.
Are these reliable and robust ??
I still have a mercury thermometer , so I am not in a hurry .
I am a fan of the Thermoworks products, Thermopen and Thermopop. They will give a reading a a few seconds, have nice long probs and are basically bullet proof.
I use an old school analog thermometer from Jobo. Not as instant as a digital thermometer but it seems pretty accurate and there's nothing electronic to fail.
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No experience with any Bogen thermometer, but I've used a Weston dial thermometer for 40+ years and have never adjusted it. I've never dropped it and I'm always a bit on the ginger side when using it. I check it every so often against a Kodak Process Thermometer that I know is accurate.