Petroleum Analysis Instrument
- 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
- DSHD-6536B Low-temperature Distillation Tester
- DSHD-255 Distillation Tester
- DSHD-255A Liquid Asphalt Distillation Tester