Berthold LB 444 - User Manual

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OPERATING MANUAL
DENSITY METER LB 444
Table of Contents
Page
1. INTRODUCTION....................................................................................................... 1
1.1 Safety Summary ............................................................................................. 1
1.2 Overview......................................................................................................... 2
2. SYSTEM DESCRIPTION.......................................................................................... 3
2.1 Use and Function............................................................................................ 3
2.2 The Principle of Measurement........................................................................ 4
2.3 Measuring Configuration................................................................................. 5
2.4 Instrument Description.................................................................................... 7
Radioactive Source......................................................................................... 7
Shieldings ....................................................................................................... 8
2.4.1.1 Shielding Types LB744............................................................ 8
2.4.1.2 Shieldings for Installation in a Container ................................. 9
Detector ........................................................................................................ 11
Evaluation Unit LB 444 ................................................................................. 12
2.4.1.3 General Description............................................................... 12
2.4.1.4 Display................................................................................... 13
2.4.1.5 Keypad Function.................................................................... 13
2.4.1.6 Menu Structure (Flow Chart) ................................................. 14
2.5 Software Functions and System Configuration ............................................ 15
3. INSTALLATION...................................................................................................... 26
3.1 General Safety Precautions.......................................................................... 26
3.2 Installation..................................................................................................... 27
Installation on Pipelines................................................................................ 27
Installation in a Container or Tank................................................................ 31
3.3 Installation of Water Cooling......................................................................... 33
3.4 Installation of Resistance Thermometer Pt 100............................................ 35
3.5 Installation of Evaluation Unit ....................................................................... 35
4. CONNECTIONS...................................................................................................... 36
4.1 Detector ........................................................................................................ 36
4.2 Evaluation Unit LB 444 ................................................................................. 37
5. GETTING STARTED .............................................................................................. 39
5.1 Quick Installation Overview .......................................................................... 39
Getting Started........................................................................................................ 40
Opening the Radiation Exit Channel............................................................. 40
5.1.1.1 Shielding Container Type LB 744.......................................... 40
5.1.1.2 Shielding Container for Installation in a Container ................ 41

Summary

Introduction to Density Meter LB 444 Operation

Safety Summary

Overview of general, specific warnings, and cautions for safe operation.

Density Meter LB 444 System Components and Function

Use and Function

Principle of Measurement

Explains the radiometric measurement method based on gamma radiation attenuation.

Instrument Description

Describes the radioactive source, shielding, detector, and evaluation unit components.

Software Functions and System Configuration

Covers software settings, password protection, date/time, language, and print parameters.

Density Meter LB 444 Installation Procedures

General Safety Precautions

Essential safety guidelines for handling radioactive sources and system installation.

Pipeline Installation Procedures

Criteria and methods for installing the system on various pipeline configurations.

Container Installation Procedures

Density Meter LB 444 Electrical Connections

Detector Connections

Evaluation Unit LB 444 Terminal Connections

Density Meter LB 444 Initial Setup and Operation

Quick Installation Overview

Basic Settings Configuration

Calibration Methods

Explains one-point, two-point, and multi-point calibration procedures for accurate measurements.

Measurement Operation

Error Messages and Handling

Lists common error messages, their causes, and methods for resetting them.

Fundamental Principles of Density Measurement

Temperature Compensation

Explains how temperature affects density and how to compensate for it using TC1 and TC2.

Temperature Coefficient Calculations

Calibration Method Details

Interference Radiation Detection

Correcting Measurement Results

Radiation Safety Guidelines and Procedures

Basics and Guidelines

Fundamental principles of gamma radiation, exposure limits, and safety officer roles.

Radiation Dose Calculations

Methods for calculating expected radiation exposure based on distance, time, and shielding.

Emergency Instructions

Procedures to follow in case of fire, explosion, or suspected malfunction affecting the source capsule.

Berthold LB 444 Specifications

General

Radiation Source	Cs-137, Co-60
Power Supply	24 VDC
Radiation Detected	Gamma radiation
Output Signals	4-20 mA
Operating Temperature	-20°C to +50°C