
Contents | Teledyne API Ultrafine Particle Monitor - Model 651 | |
| Front Panel | 35 |
| Display | 35 |
| Status Messages | 36 |
| Indicator Light | 36 |
| Back Panel | 37 |
| Internal Instrument Components | 38 |
| Optics Module | 38 |
| Vacuum Supply | 38 |
| Water System | 39 |
| Fans | 39 |
| Circuit Boards | 39 |
| Internal Clock | 39 |
| Data Communication Ports | 40 |
| CHAPTER 5 | 43 |
| Instrument Operation | 43 |
| Operating Precautions | 43 |
| Recommended Operation Procedures | 43 |
| Outdoor Operation Procedures | 43 |
| Standard Operation Procedures | 44 |
| 45 | |
| Display/User Settings | 45 |
| HOME Screen | 45 |
| STATUS Screens | 45 |
| SETUP Screens | 47 |
| TOTAL Screen | 51 |
| CHAPTER 6 | 53 |
| Technical Description | 53 |
| Theory | 53 |
| Design of the Model 651 | 54 |
| Sensor | 54 |
| Flow System | 56 |
| Critical Flow | 56 |
| Temperature Control | 57 |
| Vacuum Supply | 57 |
| Inlet Pressure Measurement | 57 |
| Water Removal System | 58 |
| Counting Efficiency and Response Time of the Model 651 | 58 |
| CHAPTER 7 | 61 |
| Particle Counting | 61 |
| Total Count Accuracy | 61 |
| 62 | |
| Concentration Measurement | 63 |
| Totalizer Mode | 65 |
| CHAPTER 8 | 67 |
| Computer Interface, Commands, and Data Collection | 67 |
| Computer Interface | 67 |
x | 07506C DCN6727 |