Petroleum Analysis Instrument
- DSHD-1792A Mercaptan Sulfur Analyzer
- DSHD-0689 Ultraviolet Fluorescence Sulfur(Nitrogen)-in-Oil Analyzer
- DSHD-0253A Coulometric Sulfur Analyzer
- DSHD-0253 Sulfur and Chlorine Analyzer
- DSHD-387 Dark Oil Sulfur Content Tester
- DSHD-380B Sulfur Content Tester
- DSHD-8019B Existent Gum Tester
- DSHD-8019A Aviation gasoline Existent Gum Tester
- DSHD-8019 Existent Gum Tester
- DSHD-509A Engine Fuels Existent Gum Tester