Bruker D2 PHASER - Page 116

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User Manual D2 PHASER

DOC-M88-EXX141 V5 – 01.2015 110

Fig. 144 Sample holder for sample changer: (a) corundum reference sample, (b) PMMA sample holder

and (c) steel sample holder.

Main Page

Table of Contents3
Introduction7
Basics and Principle of Operation9
Design of the Diffractometer10
Goniometer10
X-Ray Tube10
Slit Systems, Slit and Soller Modules and Other Passive Optics12
Primary Divergence Slit Systems12
Secondary Detector Slit Systems12
Slit Module12
K Filter Module13
Absorber Module13
Soller Slit Module13
Airscatter Screen Modules13
Sample Holder14
Sample Changer14
Detectors14
Silicon Strip Detector LYNXEYE15
Xflash Detector15
Operation of the D2 PHASER16
Transport and Positioning of the Instrument16
Switching on the Instrument16
Switching off the Instrument17
Warning and Status Lamps17
Operational Controls and Connection Plugs17
Front Door of the Instrument17
Measurement with the D2 PHASER17
Configuration and Settings of Primary Section18
Configuration and Settings of Sample Section18
Configuration and Settings of Secondary Section19
Start Measurement with Commander19
Start Measurement with Joblist20
Start Element Analyses with the Program SPECTRA20
Alignment of the Diffractometer21
Introduction21
Philosophy of Alignment for D2 PHASER Systems21
Functional Principle of the Goniometer22
Zero Definition of the  Scale22
Setting the Parameters of the Detector Unit23
Avoiding Collisions with the D2 PHASER Goniometer25
Maintenance of the Diffractometer26
Introduction26
Maintenance of the Internal Cooling Unit26
Cooling Cycle26
Thermomodule26
Checking the Cooling Fluid Level26
Refilling the Cooling Fluid Tank27
Replacement of the Fan Filter27
X-Ray Safety Precautions28
Introduction28
Detailed Description of the X-Ray Safety System28
Radiation Protection Enclosure28
Safety System28
Radiation Protection and Leakage Levels30
Resetting the D2 PHASER Safety System30
Important Information for Canadian Users31
General Safety Precautions of the D2 PHASER31
Biological Effects31
Mechanisms of Damage31
Tissue Sensitivity32
Prompt and Delayed Effects32
Delayed Effects of Radiation Exposure32
General Physical Principles32
Production of X-Rays32
Continuous Spectrum33
Characteristic Spectrum34
X-Ray Safety Precaution36
Troubleshooting37
Resetting the Safety System37
Overtemperature Safety Shutdown37
Trouble with the Internal Cooling Unit37
Generator Arcing37
Drive Error37
DSP Error with Xflash Detector38
Other Problems38
Maintenance Parts and Consumables39
Maintenance Parts39
Maintenance Kit for D2 PHASER Systems39

Bruker D2 PHASER - Page 116

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