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Sonel TDR-420 User Manual

Sonel TDR-420
32 pages
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Sonel TDR-420 Specifications

General IconGeneral
Pulse Width3 ns to 3 μs
Battery LifeUp to 8 hours
Operating Temperature-10°C to +50°C
Storage Temperature-20°C to +60°C
Ingress ProtectionIP54
Velocity of Propagation (VoP)1% to 99%
Output Impedance50 Ω
Display320 x 240 pixels, color LCD

Summary

Introduction

Safety

Principle of Operation

Functional Description

Settings

Unit of Propagation Factor

Configure the unit for the velocity of propagation (VoP) setting.

Length Units

Select the desired unit for measuring cable length (meters or feet).

Screen Brightness

Adjust the display brightness to optimize battery life and visibility.

Auto-Off Function

Configure the automatic power-off timer to conserve battery.

Language Selection

Choose the interface language for the device.

Reflectometric Measurements

Setting Parameters for Fault Location

Configure essential parameters like impedance, VoP, and range for accurate fault detection.

Wave Impedance Value (Z)

Set the wave impedance value, crucial for accurate fault location on specific cables.

Propagation Factor (VoP)

Input the Velocity of Propagation for precise distance measurements.

Gain Adjustment

Amplify waveform details for better analysis, especially on long cables.

Quick Help Function

Access examples of waveforms for identifying common cable defects.

Measurement Accuracy

Understand factors affecting accuracy, including VoP and cursor placement.

Connecting to Tested Conductor

Power Supply

Monitoring Power Supply Voltage

Check the battery status indicator for current charge level.

Replacing Batteries

Procedure for safely replacing the device's power source.

Ni-MH Rechargeable Battery Principles

Guidelines for optimal use, storage, and charging of Ni-MH batteries.

Cleaning and Maintenance

Storage Guidelines

Dismantling and Disposal

Typical Damaged Cable Images

Typical VoP and Impedance Values

Technical Data

Accessories List

Manufacturer Information

Laboratory Services

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