Teledyne 5000B - Near Infrared Photometer User Manual
Page 66
ii: Part II
Model 5000B Photometric Analyzer
Teledyne Analytical Instruments
Table of Contents
4
Operational Theory
4.0 Operations ..................................................................... 4-1
4.1 Control Function ............................................................ 4-2
4.1.1
Analysis Section .................................................... 4-2
4.1.2
Explosion-Proof Version: Control Module .............. 4-2
4.2 Start Up .......................................................................... 4-3
4.2.1
Preliminary Inspection ........................................... 4-3
4.2.2
Pre-Start Up Electrical Checkout ........................... 4-4
4.2.3
Power On Observations ......................................... 4-4
4.3 Calibration ..................................................................... 4-6
4.4 Operational Theory Continued ....................................... 4-17
4.4.1
Source Module....................................................... 4-17
4.4.2
Sample Cell ........................................................... 4-19
4.4.3
Power ..................................................................... 4-22
4.4.4
Detector Compartment ........................................... 4-22
5
Routine Maintenance
5.0 Routine Maintenance ..................................................... 5-1
5.1 Automatic Operation and Routine Operational Duties ... 5-1
5.2 System Visual Check and Response Procedure ........... 5-1
5.3 Routine Maintenance ..................................................... 5-2
5.4 Suggested Preventive Maintenance Schedule .............. 5-2
5.5 Service Procedures and Adjustments ............................ 5-3
5.5.1
Electronics ............................................................. 5-3
5.5.2
Power Supply Test Points ....................................... 5-3
5.5.3
Setup of the Signal Processing Front-End Amplifier .. 5-3
5.5.4
Oscilloscope Display of the I to E Converter Output .. 5-4
5.5.5
Balancing the Optics for Equal Light Transmission
with Zero Fluid in the Sample Cell ......................... 5-5
5.5.6
Setup of the Logarithmic Amplifier ......................... 5-6
5.5.7
Inverting Amplifier .................................................. 5-6
5.5.8
Integrated Reference and Measuring Signals ........ 5-7
5.5.9
Battery-Powered Oscilloscope Synchronization Point 5-7
5.6 Interface Board Terminal Strip ........................................ 5-7