Specific Gravity, LPG, Combined Form, 360 mm. ASTM 101H, gravity range 0.500 to 0.650 in 0.001 divisions. Temperature range is 30 to 90 degrees F. in 1 degree divisions calibrated at 60 degrees gravity and 60 degrees F. For use in the 22400 Pressure Hydrometer Cylinder in accordance with ASTM D1657.
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