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Graetz GammaTwin User Manual

Graetz GammaTwin
32 pages
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Operaon Manual
for the
GRAETZ Dose Rate Meter
GammaTwin
Release: October 2017, Soware Version 1.4/1.5 Part Number 5641 9877
23.51
10.02
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Graetz GammaTwin Specifications

General IconGeneral
Power Supply2 x AA batteries
Radiation DetectedGamma
Energy Range3 MeV
Measurement Range0.01 µSv/h
Accuracy±15%
DisplayLCD

Summary

Introduction to the GammaTwin

GammaTwin Capabilities and Use Cases

Outlines the GammaTwin's purpose, applications, and its role as a PTB-approved dose rate meter.

Control and Display Element Identification

Identifies and describes the physical controls and visual indicators on the GammaTwin device.

Device Operation and Configuration

Initial Setup and Power Management

Guides users through the initial steps of preparing and powering the GammaTwin on and off.

Understanding Display Indications

Explains the different ways the GammaTwin displays measurement data, including dose and dose rate.

Specific Display Modes

Details the "Twin"-indication mode, showing both dose rate and accumulated dose simultaneously.

Dose and Dose Rate Displays

Explains the dedicated display mode for showing accumulated dose and its associated elements.

Dose Rate Indication Mode

Describes the display mode focused on showing the current dose rate and related information.

Acoustic Signals and Illumination

Covers the single-pulse indication, functional control signals, and display illumination features.

Alarm Acknowledgement

Details the procedure for acknowledging acoustic alarms and error messages from the device.

Alarm Systems and Menu Functions

Dose and Dose Rate Alarm Handling

Explains how the GammaTwin signals and responds to exceeding dose and dose rate alarm thresholds.

Battery Status and Alarms

Describes the battery level indicator and the alert for low battery conditions.

Menu Navigation and Settings

Guides users on accessing and navigating the device's menu for configuration.

Alarm Threshold Configuration

Details how to set and adjust dose and dose rate alarm thresholds within the device menu.

Acoustic Settings and Dose Clearing

Covers menu options for acoustic feedback and clearing accumulated dose readings.

Setting Basic Display Preferences

Explains how to configure the default display shown when the GammaTwin is started.

Troubleshooting, Disposal, and Technical Data

Identifying and Resolving Device Defects

Provides solutions for common errors, switching problems, and measurement operation issues.

Proper Device Disposal

Instructs on the environmentally sound disposal of the GammaTwin and its batteries.

Comprehensive Technical Specifications

Lists detailed technical specifications, including radiation types, measurement ranges, and operating parameters.

Repair and Maintenance Support

Provides contact information and guidance for product support, repairs, and maintenance services.