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Thermometer Maximum-minimum

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Maximum thermometer with Hg filling -30 to +50°C
Minimum thermometer with alcohol filling -40 to +40°C
Accuracy limit ± 0,2°C
Weight 1,1 kg

Dry-Wet Bulbs Thermometer
This very accurate instrument has two mercury thermometers, one of which has a cloth sock on the bulb which is kept wet from a tube of water (center).  The wet bulb temperature will be lower than the dry bulb temperature due to evaporative cooling.  Knowing the difference in temperatures, simply consult the chart to determine relative humidity at the dry bulb temperature. Stainless steel stand and reservoir. 

Rp 0

Mon, 1 Feb 2016 @13:30


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