
Lucyelec ASTM D1551 Tube Furnace Method Dark Petroleum Products Sulfur Content Analyzer. ASTM D1551 Compliance: Designed according to ASTM D1551 and GB/T387 standards for dark petroleum products. Dual Specimen Testing: Two parallel quartz tubes allow simultaneous testing of two specimens for comparison. Automated Operation: Features automatic temperature control, furnace movement speed, and roasting time correction. High Power Heating: Equipped with 1800W electric heating wire and servo motor drive system. One Year Warranty: Comprehensive one-year warranty covering mechanical defects and long-life maintenance. 24/7 Online Support: Free technical support and training available 24 hours online. OEM Customization: Customization available for packing, LOGO print, and product requirements.