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"Constant-Temperature Room"?

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mikeofBelAir

mikeofBelAir

Geotechnical
Joined
Feb 8, 2013
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Does anyone know how ASTM defines the Constant-Temperature Room? How much temperature variation is allowed. I am preparing for AASHTO Resource certification of our soils labs. Our lab has its own Heat and A/C controlled to 72 degrees F. I want to avoid the cost of the water bath for hydrometers.
 
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