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Proof and Tralle Hydrometer in Hard Pack Case (0º - 200º Proof)

  • A Proof and Tralle hydrometer directly measures the alcohol content of distilled alcohol or spirits. This hydrometer provides 2 scales of measurement which are Proof (the US International Revenue Scale for proof of spirits) and Tralle (the actual percentage of alcohol). It is calibrated to give accurate readings at 60ºF (15.6ºC) and includes a temperature adjustment chart. It includes a rigid, hard pack case for added safety.

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