Agilent Technologies 8453 Operator's Manual page 111

Contents
1 Specifications
Specifications of the Agilent 8453 UV-visible
spectrophotometer
Physical Specifications 11
Performance Specifications 12
Source of Standards 14
2 Theory of Operation
An overview of the instrument, the theory of operation and con-
trol, as well as external communication and internal
connections 15
Instrument Overview
Optical System Overview 19
Instrument Description 22
Instrument Layout and Construction 26
Theory of Operation and Control
Electronics Overview 29
The Main Power Supply Assembly 32
Spectrophotometer Processor Main (SPM) Board 34
Spectrophotometer Data Acquisition (SDA) Board 37
Spectrophotometer Lamp Supply (SLS) Board 39
Spectrophotometer Interface (SSI) Board 42
Firmware Description 43
External Communication
External Cables 51
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