228-90095F
CONTENTS
Chapter 1 Introduction........................................................................................................................6
1.1 Introduction...........................................................................................................................................................................6
Chapter 2 Specifications......................................................................................................................7
Chapter 3 Measurement systems....................................................................................................7
3.1 Optical system......................................................................................................................................................................7
3.1.1 SPD-20AV Light path schem
atic............................................................................................................................9
3.1.2 SPD-20A Light path schematic............................................................................................................................10
3.2 Electrical syste
m...............................................................................................................................................................11
3.2.1 Signal processing circuits.........................................................................................................................................11
3.2.2 Lamp power supply circuits ...................................................................................................................................12
Chapter 4 Parts configuration and function...............................................................................13
4.1 Front side of instrument................................................................................................................................................13
4.2 Operation controls............................................................................................................................................................13
4.3 Inside the front cover, and its top and left side
s....................................................................................................13
4.4 Right and bo
ttom sides ..................................................................................................................................................13
4.5 Back side
..............................................................................................................................................................................13
4.6 Inside the instrument.....................................................................................................................................................13
4.7 Inside the optical unit .....................................................................................................................................................14
4.7.1 Illustration of o
ptical unit interior.........................................................................................................................14
4.7.2 List of primary internal parts for optic
al unit ..................................................................................................14
4.8 Temperature-controlled flow cell drawing and component
parts list..........................................................15
4.8.1 Assembly drawing for temper
ature-controlled flow cell..............................................................................15
4.8.2 Component parts list for temperature
-controlled flow cell assembly.....................................................16
Chapter 5 Other functions...............................................................................................................17
5.1 List of auxiliary functions..............................................................................................................................................17
5.1.1 Parameter group
.........................................................................................................................................................17
5.2 List of VP functions..........................................................................................................................................................18
5.3 List of factory functions ..................................................................................................................................................20
Chapter 6 Maintenance and adjustments.................................................................................. 22