FDR-2102 Sulfated ash analyzer Scope This instrument was designed and manufactured in accordance with the standards GB/T 2433 and ASTM D874. This instrument can measure for sulfated ash from lubricating oils and additives. Principle: The ash sample was fired into the remaining carbon in a 775 ° C high temperature furnace, and the carbonaceous residue was heated to ash and then cooled and weighed. Features 1. Automatic heating, automatic temperature control 2. Good insulation effect Technical Parameters 1. Heating power: 4000W 2. Rated voltage: AC220V / 50Hz 3. Furnace size: 300 � 200 � 120 4. Porcelain crucible: 50ml