Berthold LB 442 - Page 4

Table of Contents
2
Section 7
Calibration 68
7.1 Background 68
7.2 Tare Measurement 68
7.2.1 General Information 68
7.2.2 Tare Compensation 70
7.3 Calibration 71
7.3.1 General Information 71
7.3.2 External Product Selection 71
7.3.3 Preparation for Calibration Weighing 72
7.3.4 Standard Calibration Procedure Step-by-Step 74
Section 8 Checking the Calibration 76
8.1 General Information 76
8.1.1 Correction of Calibration 76
8.1.2 Operating Instructions for Calibration 76
8.2 Correction of Display Value 77
8.2.1 Offset 77
8.2.2 Factor 77
Section 9 Operation of the Radiometric Bulk Flow Meter 78
9.1 Live Display 78
9.2 Regular Operation 78
9.2.1 Results 78
9.2.2 Zero Point Correction through Tare Measurements 79
9.2.3 Batch Operation 80
9.3 Operation with Different Materials 80
9.4 Evaluation Unit as Dry Weight Computer 81
9.5 Starting/Stopping Operation of the System 81
9.6 Error Messages 82
9.6.1 Resetting Error Messages 82
9.6.2 Error Messages during Operation 82
9.6.3 Error Messages during Calibration 83
9.6.4 Error Messages during Measurement 83
Section 10 Technical Data 84
10.1 Evaluation Unit LB 442 84
10.2 Detector 86
10.3 Wall Housing LB4460 88
Section 11 Service Instructions 89
11.1 General Safety Precautions 89
11.2 Trouble Shooting 89
11.3 Shielding and Source 90
11.4 Evaluation Unit LB 442 92
11.4.1 Battery 92
11.4.2 Error Code Listing 93
11.4.3 Error Code Listing with Signal Output 94
11.4.4 Service Functions 95
11.5 Scintillation Detector 98
11.5.1 Working Principle 98
11.5.2 Malfunctions 99
11.5.3 Checking the Crystal-Multiplier Assembly 101
11.5.4 Replacing the Crystal-Multiplier Assembly 103
11.6 Replacing the Evaluation Unit 103
Section 12 Radiation Protection 104
12.1 Basics and Guidelines 104