| 6984 |
| Stanford Research | PPR100 | Process Monitoring Systems | Process Monitor, 100 AMU Process Monitoring System |
| 6985 |
| Stanford Research | CIS200 | Process Monitoring Systems | CIS Analyzer W/Electron Multiplier, 200 AMU |
| 6986 |
| Stanford Research | CIS100 | Process Monitoring Systems | CIS Analyzer W/Electron Multiplier, 100 AMU |
| 6987 |
| Stanford Research | CIS300 | Process Monitoring Systems | CIS Analyzer W/Electron Multiplier, 300 AMU |
| 6988 |
| Stanford Research | PPR200 | Process Monitoring Systems | Process Monitor, 200 AMU Process Monitoring System |
| 6989 |
| Stanford Research | PPR300 | Process Monitoring Systems | Process Monitor, 300 AMU Process Monitoring System |