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What the hell is this temperature gauge called ?
When I was little I'd go into my dad's lab and there was a temperature gauge that would beep if the temperature went above or below a certain variance. Does anyone know what this device is called specifically ?
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Now-a-days they have ones that connect to emails/phones so you can monitor it more closely. Some beep, some just record. Laboratory supplies catalogs usually have a ton of these. Probably in the $20-75 range.