BERTHOLD TECHNOLOGIES LB 444 - Page 4

04/03 347 LB 444
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6.2.1 Basic Settings .................................................................................. 41
6.2.2 Calibration ....................................................................................... 42
6.3 Measurement ................................................................................... 44
6.4 Error Messages................................................................................. 45
6.4.1 Error Messages Reset ........................................................................ 45
6.4.2 Error Messages during Operation ........................................................ 45
6.4.3 Error Messages during Calibration ....................................................... 45
6.4.4 Error Messages during Measurement ................................................... 46
6.5 System Start/Stop ............................................................................ 48
7. TEMPERATURE COMPENSATION ................................................................. 49
7.1 Temperature Measurement ................................................................ 49
7.2 Monitoring the Temperature Signal...................................................... 49
7.3 Function of Temperature Compensation ............................................... 50
7.4 Temperature Compensation in Suspensions .......................................... 50
7.5 Calculation of Temperature Coefficients................................................ 50
7.6 Calculation of Square Temperature Coefficient ...................................... 52
7.7 Reference Temperature ..................................................................... 53
7.8 Temperature Coefficient Calculation without Table Values ....................... 53
8. CALIBRATION ............................................................................................. 55
8.1.1 Calibration Modes ............................................................................. 55
8.1.2 One-Point Calibration ........................................................................ 57
8.1.3 Two and Multi-Point Calibration........................................................... 59
8.1.4 Correction of Analysis Values.............................................................. 60
8.1.5 Checking the Calibration .................................................................... 62
8.2 Radiating Interference Detection ......................................................... 63
8.3 Automatic Measuring Time Switchover ................................................. 64
8.4 Measurements of Suspensions ............................................................ 65
8.4.1 Calculating the Density of Individual Components.................................. 68
8.5 Correcting the Results: Addition and Multiplication................................. 69
8.5.1 Additive Constant ............................................................................. 69
8.5.2 Multiplication Factor .......................................................................... 70
9. TECHNICAL DATA ....................................................................................... 71
9.1 Evaluation Unit LB 444 ...................................................................... 71
9.2 Detectors......................................................................................... 72
10. SERVICE INSTRUCTIONS ............................................................................ 74
10.1 General Safety Precautions ................................................................ 74
10.2 Evaluation Unit LB 444 ...................................................................... 74
10.3 Shielding and Source......................................................................... 76
10.4 Service Menu ................................................................................... 77
10.4.1 Overview ......................................................................................... 77
10.4.2 Service Menu ................................................................................... 78
10.4.3 Plateau Check .................................................................................. 79
10.5 Detector .......................................................................................... 82
10.5.1 Checking the Crystal-Multiplier Assembly ............................................. 82
10.6 Replacing the Evaluation Unit LB 444................................................... 84
11. RADIATION PROTECTION ........................................................................... 85
11.1 Basics and Guidelines ........................................................................ 85
11.2 Shielding Installation Safety Instructions.............................................. 87
11.3 Radiation Dose Calculations................................................................ 87