... . BF-30A Sulfur Content of Dark Petroleum ProductsTester(Tubular Furnace Method) 1. Performance and CharacteristicsTwo tubes; single chip control ... °CSpeed of flow meter 60~600ml/minThermocoupleK-typeMoving distance of furnace 150mmTime of movement 30min, 35min, 40min, 45min, 50min ... chip, and is capable of controlling the furnace temperature, the speed of furnace and the baking time automatically. The ...