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Tracerco NORM Monitor IS User Manual

Tracerco NORM Monitor IS
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1 MN1007-C
MN1007-P3 10/01/13

Table of Contents

Questions and Answers:

Tracerco NORM Monitor IS Specifications

General IconGeneral
BrandTracerco
ModelNORM Monitor IS
CategoryMonitor
LanguageEnglish

Summary

Introduction and Scope

1.1 Introduction

Overview of the Tracerco NORM Monitor-IS and its primary function in NORM detection and quantification.

1.2 Scope

Details the manual's content, including operational, technical information, and NORM overview.

Naturally Occurring Radioactivity – an overview

2.1 Introduction

Explains the natural occurrence of radioactivity from Uranium and Thorium decay products.

2.2 Radioactivity in Oil and Gas Installations

Discusses NORM sources, scale formation, and hazards in oil and gas operations.

Operational Options

3.1 Probe Selection

Guidance on selecting the appropriate probe (Geiger Müller or Scintillator) for NORM measurements.

3.1.1 Geiger Müller End Window (Pancake) Probe

Details the Geiger Müller probe's sensitivity to alpha/beta and suitability for specific nuclides.

3.1.2 Scintillation Probe

Describes the Scintillation probe's sensitivity to gamma radiation for NORM detection.

NORM assessment criteria

3.2.1 Assessment using cps measurement

Defines alarm criteria for NORM assessment based on counts per second (cps).

3.2.2 Assessment using surface activity (Bq/cm²)

Explains NORM assessment using surface activity in Bq/cm² when nuclide type is known.

3.2.3 Dose rate

Covers NORM assessment based on direct radiation dose rate (µSv/h or µR/h).

3.2.4 Specific activity

Mentions specific activity (Bq/g) as a fundamental NORM measure, often done in labs.

Background Measurement

3.3 Background Measurement

Details the importance of background radiation levels for probe sensitivity and measurement accuracy.

Tracerco NORM Monitor-IS – Functional description

4.1 Handset monitor control keys

Describes the function of each key and indicator LED on the NORM Monitor-IS handset.

4.2 Operating the instrument

Provides steps for connecting, switching on, and operating the instrument.

4.2.1 Connecting the probes

Instructions on how to properly connect the probes to the handheld monitor.

4.2.2 Removing the probe

Steps for safely disconnecting and removing the probes from the monitor.

4.2.3 Switching on the instrument

Procedure for powering on the monitor and its self-test sequence.

4.2.4 Start-up sequence illustration

Visual guide to the instrument's start-up sequence and probe identification.

Measurement Modes for the Scintillator Probe.

4.3.1 cps Mode

Details the cps measurement mode for the Scintillator probe, showing counts per second.

4.3.2 cps Minus Background Mode

Explains the cps minus background mode for Scintillator probe, accounting for background radiation.

4.3.3 Dose Rate Mode

Describes the Dose Rate measurement mode for the Scintillator probe in µSv/h or µR/h.

Modes of Operation for the Geiger Müller Probe.

4.4.1 cps Mode

Details the cps measurement mode for the Geiger Müller probe, showing counts per second.

4.4.2 cps Minus Background Mode

Explains the cps minus background mode for GM probe, accounting for background radiation.

4.4.3 Becquerels per cm squared mode (Bq/cm²)

Describes the Bq/cm² mode for GM probe, requiring nuclide selection for surface activity.

4.4.3.1 Selecting the radionuclide

Guide to selecting specific nuclides (e.g., Pb-210, Ra-226) in Bq/cm² mode.

Integration Function

4.5 Integration Function

Explains how the integration function averages readings over a period for better accuracy.

4.5.1 Example – Making an integrated count measurement in cps mode

Demonstrates using the integration function for a cps measurement.

Alarm activation in integration mode

4.6 Alarm activation in integration mode

Describes how alarms behave during and after an integrated measurement.

Background Measurement

4.7 Background Measurement

Instructions on how to take and store background radiation readings for accurate measurements.

Alarm Configuration

4.8 Alarm Configuration

Details how to configure alarm levels and types for measurement modes.

4.8.1 Switching the alarm ON/OFF

Instructions for enabling or disabling the instrument's audible and visual alarms.

4.8.2 Selecting the alarm type

Explains how to choose between LEVEL and FACT options for alarm settings.

4.8.2 Alarm notification

Summarises the audio-visual indicators used to alert the operator to an alarm condition.

Adjusting the integration period

5 Adjusting the integration period

Explains how to configure the integration time for measurements, including Auto and SEL modes.

Locking the keypad

6 Locking the keypad

Describes how to lock the keypad to enable only essential functions for single-mode operation.

Using the Instrument – taking a NORM measurement

7 Using the Instrument – taking a NORM measurement

Provides a step-by-step guide for performing a NORM measurement using the instrument.

Faults/Troubleshooting

8 Faults/Troubleshooting

Lists common fault notifications, their causes, and recommended actions.

Display ranges – reading the screen

9 Display ranges – reading the screen

Illustrates the instrument's display ranges for various measurement units (uR/h, uSv/h, cps, cpm, Bq/cm²).

Maintenance and Calibration

10 Maintenance and Calibration

Covers essential maintenance, cleaning, handling, and calibration procedures for the instrument.

10.1 Cleaning

Provides instructions for cleaning the handset and probes safely and effectively.

10.2 Handling

Details safe handling practices, transport recommendations, and advice against opening the unit.

10.3 Calibration

Explains probe calibration, factory settings, and recommendations for regular inspection and recalibration.

10.4 Equipment Inspection

Recommends annual inspection for Hazardous Area approved instruments by trained technicians.

10.5 Repair

Specifies that repairs must be carried out by trained personnel using Tracerco parts.

Essential Safety Information For Hazardous Areas

11 Essential Safety Information For Hazardous Areas

Details safety information, ATEX markings, and limitations for use in hazardous environments.

Contact Us

12 Contact Us

Provides contact details for Tracerco's Global Service Centres for support and inquiries.

Technical Specification

13 Technical Specification

Presents detailed technical specifications for the NORM Monitor-IS and its probes.

13.1 Radiological Type Tests

Lists applicable standards and descriptions for radiological type testing of the instrument.

13.2 EMC Compliance Tests

Details the applicable standards and descriptions for Electromagnetic Compatibility tests.

13.3 Battery power

Specifies battery technology, format, part numbers, and battery life.

13.4 Mechanical

Provides mechanical specifications including dimensions and weight for different components.

13.5 Environmental

Details environmental specifications such as operating temperature, humidity, shock, and vibration.

13.6 Radiological performance

Covers the radiological performance characteristics of the Scintillator and Geiger Müller probes.

13.6.1 Scintillator Probe

Specifies radiation detected, sensor technology, units, dose rate, alarms, and overload response.

13.6.2 Geiger Müller Probe

Specifies radiation detected, sensor technology, units, alarms, and overload response.

13.7 Hazardous area approval

Lists certification numbers and equipment markings for hazardous area approvals.

Appendix 1 – Decay Series for Uranium and Thorium

14 Appendix 1 – Decay Series for Uranium and Thorium

Illustrates the decay series for Uranium-238, Uranium-235, and Thorium-232.

Appendix 2. - Menu diagrams

14.1 Scintillator probe Menu

Diagram showing the menu navigation and options for the Scintillator probe.

14.2 Geiger Probe Menu

Diagram illustrating the menu navigation and options for the Geiger probe.

14.3 Alarm Menu

Flowchart detailing the menu options for configuring and managing alarms.

Document Revision History

15 Document Revision History

Records the revision history of the document, including dates and descriptions.