Petroleum Analysis Instrument
- DSHD-251 Base Number Tester
- DSHD-511B Mechanical Impurity Tester
- DSHD-706 Self-ignition Point Tester
- DSHD-8018D Gasoline Oxidation Stability Tester (Induction Period Method)
- DSHK-1017 Precision Adsorption Column Cleanser
- DSHD-3069 Naphthalene Crystallization Point Tester
- DSHD-0253B Coulometric Chlorine Analyzer
- DSHD-7305A Demulsibility Tester
- DSHD-7305 Demulsibility Tester
- DSHD-262 Aniline Point Tester