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Megger Ducter DLRO2 User Manual

Megger Ducter DLRO2
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DLRO2
Ducter™ Low Resistance Ohmmeter 2 A
User Guide

Table of Contents

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Megger Ducter DLRO2 Specifications

General IconGeneral
DisplayLCD
Operating Temperature-10°C to +50°C
Storage Temperature-20°C to +60°C
Measurement Range0.1 μΩ to 2000 Ω
Accuracy±0.2% of reading ±0.1% of range
Resolution0.1 µΩ
Power SupplyRechargeable battery
Operating ModesAuto, Continuous
Data Storage1000 test results
InterfaceUSB
Weight1 kg

Summary

Introduction

Product Description

Details the DLRO2's features, design, and measurement modes.

Features

Lists key features like Difference Meter, rotary dial, test options, and connectivity.

Applications

Lists various applications for the DLRO2 in different industries.

Company web site

Directs users to the Megger website for updates and information.

Safety Warnings

Warnings, Cautions and Notes

Explains the meaning and usage of warnings, cautions, and notes in the guide.

Safety warnings

Provides critical safety instructions for operating the DLRO2.

Test lead safety warnings

Details safety precautions for using test leads.

Installation category definitions

Explains safety categories (CAT II, III, IV) for electrical installations.

Safety, Hazard and Warning Symbols on the Instrument

Describes various safety icons found on the instrument and display.

Instrument Controls

Instrument Layout

Identifies and describes the front and rear views of the DLRO2 instrument.

Instrument Display

Details the elements and indicators shown on the DLRO2's primary and secondary displays.

Instrument Rotary Control

Explains the functions of the rotary switch positions for selecting modes.

Instrument connections and leads

Describes the external electrical connections and ports on the DLRO2.

The Difference Meter

Explains the Difference Meter feature for comparing measurements.

Setting up the DLRO2

Warnings and exception conditions

Refers to error and warning conditions, directing users to a specific section.

Power

Covers battery options, first use, and turning the instrument on/off.

Tests, Inductive mode

Manual stop

Details how to perform manual stop tests in inductive mode.

Auto stop

Explains how to conduct auto-stop tests in inductive mode.

Tests, Resistance mode

Auto-start, bidirectional / unidirectional resistance mode

Describes auto-start tests in resistance mode.

Manual, bidirectional / unidirectional resistance mode

Details manual tests in resistance mode.

Tests, Long leads mode

Long leads mode - auto and manual start

Explains how to perform long leads tests in auto or manual mode.

Error and Warning Conditions

Error code categorization

Classifies error codes and provides user actions for each category.

On screen error messages

Describes specific error messages shown on the display and their causes.

Settings

General settings

Allows adjustment of user settings like beeps, backlight, and battery type.

Language settings

Explains how to change the instrument's display language.

Instrument Information

Provides details about the instrument's GUI, serial number, and calibration date.

Firmware update

Details the process for updating the instrument's firmware via USB.

Accessories and Equipment

Included Accessories

Lists the accessories that come standard with the DLRO2.

Optional Accessories

Lists optional accessories available for purchase for the DLRO2.

Calibration, Repair and Warranty

Return procedure

Outlines the steps for returning the instrument for calibration or repair.

Maintenance

General Maintenance

Covers general upkeep, checking leads, and keeping the unit clean and dry.

Cleaning

Provides instructions for cleaning the instrument safely.

Battery

Discusses battery types, charging, and status indicators.

Battery Replacement

Details the procedure for replacing the instrument's batteries.

Specifications

PHYSICAL

Details the physical dimensions, display, and weight of the DLRO2.

SAFETY AND ELECTRICAL PROTECTION

Outlines safety ratings and live voltage protection features.

LOW RESISTANCE MEASUREMENT

Lists measurement modes, resistance ranges, and basic accuracy.

TEST CURRENT OUTPUT

Specifies test current ranges, compliance voltage, and output accuracy.

ENVIRONMENT

Covers noise immunity, EMC, dust/moisture, altitude, temperature, and humidity.

POWER SUPPLY

Details battery types, charging time, battery life, and charger specifications.

BATTERY CHARGER ADAPTOR

Lists input voltage, frequency, output, and plug types for the charger.

CONNECTIONS

Describes test terminals, data ports, and battery charger connections.

LANGUAGES

Lists available languages for the user interface and guide.

Decommissioning

WEEE Directive

Provides information on the disposal of the product according to WEEE regulations.

Battery disposal

Gives guidance on the proper disposal of batteries.

Notes

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