Petroleum Analysis Instrument
- DSHD-261-1 Semi-Automatic Pensky-Martens Closed Cup Flash Point Tester
- DSHD-261 Pensky-Martens Closed Cup Flash Point Tester
- DSHD-3536D Fully Automatic Cleveland Open Cup Flash Point Tester
- DSHD-3536-1 Semi-Automatic Cleveland Open-Cup Flash Point Tester
- DSHD-267 Cleveland Open Cup Flash Point Tester
- DSHD-0633 Liquid Petroleum Asphalt Flash Point Tester (Tag Open Cup Method)