Microtrac S3500, Operation And Maintenance Manual, Page: 4 / 38

iv Microtrac S3500 Particle Size Analyzer Operation and Maintenance 9/03
Contents
1. INTRODUCTION ................................................................................................... 1
1.1 Description ..................................................................................................................................... 1
1.2 S3500 Configurations and Ranges ................................................................................................. 2
1.3 Safety Considerations..................................................................................................................... 3
1.3.1 Electrical.............................................................................................................................. 3
1.3.2 Hazardous Substances ......................................................................................................... 3
1.3.3 Laser Safety ......................................................................................................................... 4
1.4 Specifications ................................................................................................................................. 6
2. INSTALLATION .................................................................................................... 9
2.1 General ........................................................................................................................................... 9
2.2 Selecting a Location ....................................................................................................................... 9
2.3 Unpacking ...................................................................................................................................... 9
2.4 Sample Delivery Connections ...................................................................................................... 10
2.4.1 Fluid Connections for Wet Sample Delivery..................................................................... 11
2.4.2 Dry Sample Delivery Connections .................................................................................... 12
2.5 Electrical Connections.................................................................................................................. 14
2.5.1 Power................................................................................................................................. 14
2.5.2 Communications................................................................................................................ 14
2.5.3 Ultrasonic .......................................................................................................................... 14
2.5.4 Dry System Connections ................................................................................................... 15
2.6 Linear Dry Feeder Setup .............................................................................................................. 15
3. OPERATION ....................................................................................................... 17
3.1 General ......................................................................................................................................... 17
3.2 Sample Delivery ........................................................................................................................... 17
3.3 Dispersion..................................................................................................................................... 19
3.3.1 Wet Sample Dispersion ..................................................................................................... 19
3.3.2 Dry Sample Dispersion...................................................................................................... 20
3.4 Particle Size Measurement ........................................................................................................... 20
3.4.1 Background Offset............................................................................................................. 20
3.4.2 Run Data Parameters ......................................................................................................... 21
3.4.3 Running a Sample.............................................................................................................. 22
3.5 Collector Lens Change ................................................................................................................. 22
4. MAINTENANCE .................................................................................................. 24
4.1 Introduction .................................................................................................................................. 24
4.2 Cleaning Optical Elements ........................................................................................................... 24