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HT EASYTEST COMBI519 User Manual

HT EASYTEST COMBI519
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Copyright HT ITALIA 2021 Release EN 1.00 - 26/04/2021
EASYTEST-COMBI519
User manual

Table of Contents

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HT EASYTEST COMBI519 Specifications

General IconGeneral
BrandHT
ModelEASYTEST COMBI519
CategoryMeasuring Instruments
LanguageEnglish

Summary

Precautions and Safety Measures

Preliminary Instructions

Instructions for safe and proper use of the instrument, including environmental conditions and accessories.

During Use

Recommendations for safe operation during measurements, including disconnecting test leads and avoiding touching terminals.

After Use

Instructions for turning off the instrument and battery removal for long-term storage.

Definition of Measurement (Overvoltage) Category

Explains measurement categories (IV, III, II, I) as defined by IEC/EN61010-1.

General Description

Foreword

Introduces the manual and lists instrument models and their functions.

Instrument Functions

Lists the various tests the instrument can perform, such as RPE, MΩ, LOOP, LoZ, ΔV%, RCD, AUTO, 1,2,3, DMM.

Preparation for Use

Initial Checks

Recommends checking the instrument for any damage suffered during transport and verifying package contents.

Instrument Power Supply

Details the battery type used and mentions the AutoPower OFF function.

Nomenclature

Instrument Description

Identifies the front and upper parts of the instrument, including inputs and controls.

Description of Measuring Leads

Illustrates and labels the components of the measuring leads.

Keyboard Description

Explains the function of each key on the instrument's keyboard.

Display Description

Describes the instrument's LCD display module and its capabilities.

General Menu

SET – Instrument Settings

Explains how to access and modify instrument settings.

Language

Describes how to select the instrument's language from a list of options.

Country

Explains how to select the country, which affects LOOP and Ra measurements.

Electrical System

Details setting parameters like nominal voltage, frequency, system type, contact voltage, RCD/RCCB, and Isc Factor.

General Settings

Describes enabling/disabling auto power off, key beeps, and auto start functions.

Auto Start Feature

Explains the AutoStart feature for RCD and LOOP measurements.

Date and Time

Guides on setting the system date and time, including format selection.

Operating Instructions

AUTO: Automatic Test Sequence (RA , RCD, MΩ)

Details the automatic sequence of measurements for Ra, RCD, and MΩ.

Anomalous Situations in AUTO Mode

Describes how the instrument handles anomalous situations during the AUTO test, like voltage errors or lead inversions.

DMM: Digital Multimeter Function

Explains the DMM function for reading TRMS voltage and frequency.

RPE: Continuity of Protective Conductors

Explains the RPE function for measuring protective conductor resistance.

TMR Mode for RPE

Explains the TMR mode for continuity testing, including setting duration and results interpretation.

>  < Mode for RPE

Describes the >  < mode for compensating cable resistance in continuity tests.

Anomalous Situations in RPE

Details anomalous situations encountered during RPE continuity testing.

LOΩ: Continuity of Protective Conductors with 10A

Explains the LoΩ function for continuity testing with 10A.

Anomalous Situations in LOΩ

Lists anomalous situations for the LoΩ 10A continuity test.

MΩ: Measurement of Insulation Resistance

Introduces the MΩ function for insulation resistance measurement.

TMR Mode for MΩ

Explains the TMR mode for insulation resistance, including DAR and PI calculations.

AUTO Mode for MΩ

Details the AUTO mode for sequential insulation resistance measurements.

Anomalous Situations in MΩ

Lists anomalous situations for insulation resistance measurement.

RCD: Test on Differential Switches

Introduces the RCD test function for differential switches.

RCD Test Parameter Settings

Details parameter settings for RCD tests (MODE, IΔn, Type, Ut).

AUTO Mode for RCD (Sequence 1)

Explains the AUTO mode for RCD testing, including the sequence of tests.

AUTO Mode for RCD (Sequence 2)

Describes another AUTO mode for RCD testing with a different sequence.

X½, X1, X5 Modes for RCD

Explains the x½, x1, x5 modes for RCD testing.

Mode for RCD Tripping Time

Describes the Mode for RCD tripping time detection.

Anomalous Situations in RCD

Lists anomalous situations for RCD testing, including frequency and voltage errors.

LOOP: Line/Loop Impedance and Overall Earth Resistance

Introduces the LOOP function for impedance and earth resistance measurement.

LOOP Test Types

Explains different test types within LOOP function: Ra, Br.Cap, TripT, STD.

Test Cable Calibration (ZEROLOOP)

Details the ZEROLOOP procedure for calibrating test cables.

STD Mode – Generic Test for LOOP

Describes the STD mode for generic impedance and short-circuit current measurement.

BR.CAP Mode – Verification of Breaking Capacity

Explains the Br.Cap mode for verifying protection device breaking capacity.

TRIPT - Verification of Protection Coordination

Describes the TripT mode for verifying protection coordination.

RA 2-Wire Test for Indirect Contacts

Explains the Ra 2-wire test for indirect contact protection verification.

RA 3-Wire Test for Indirect Contacts

Explains the Ra 3-wire test for indirect contact protection verification.

Protection Verification in IT Systems

Explains verification of protection against indirect contacts in IT systems.

Protection Verification in TT Systems

Explains verification of protection against indirect contacts in TT systems.

Protection Verification in TN Systems

Explains verification of protection against indirect contacts in TN systems.

Anomalous Situations in LOOP

Lists anomalous situations for LOOP testing, including frequency and voltage errors.

LOZ: Line/Loop Impedance with High Resolution

Introduces the LoZ function for high-resolution line/loop impedance.

1,2,3: Phase Sequence and Phase Concordance Test

Explains the 1,2,3 function for phase sequence and concordance testing.

Anomalous Situations in Phase Sequence Test

Lists anomalous situations for phase sequence testing, like frequency or voltage errors.

ΔV%: Voltage Drop of Mains

Introduces the ΔV% function for evaluating voltage drop.

ΔV% Parameter Settings

Details how to set parameters for voltage drop measurement (MODE, Inom, Lim, Z><).

ΔV% Voltage Drop Measurement Interpretation

Describes performing Z1/Z2 impedance measurements and interpreting voltage drop results.

Anomalous Situations in ΔV%

Lists anomalous situations for voltage drop measurement, including frequency, voltage, and lead errors.

Storing Results

Saving Measures

Details the process of saving measurements, including markers and comments.

Recall Data and Memory Deletion

Explains how to recall saved data and delete memory contents.

Connecting the Instrument to the PC

Maintenance

General Information

General precautions for using and storing the instrument.

Replacement of the Batteries

Step-by-step guide for replacing the instrument's batteries.

Cleaning the Instrument

Instructions for cleaning the instrument.

Technical Specifications

Technical Characteristics

Details specific technical characteristics like voltage, frequency, continuity, insulation, and impedance ranges.

Reference Guidelines

Lists reference standards and guidelines relevant to the instrument's design and function.

General Characteristics

Provides general mechanical, power supply, and display characteristics.

Environment

Details environmental conditions for instrument use and storage.

Service

Warranty Conditions

Outlines the terms and conditions of the instrument's warranty.

Service Information

Provides guidance on troubleshooting and contacting after-sales service.

Theoretical Appendixes

Continuity of Protective Conductors

Explains the theory behind checking continuity of protective conductors.

Insulation Resistance

Explains the purpose and allowable values for insulation resistance tests.

Measurement of Polarization Index (PI)

Details the measurement of Polarization Index (PI) and its interpretation.

Dielectric Absorption Ratio (DAR)

Details the measurement of Dielectric Absorption Ratio (DAR) and its interpretation.

Checking Circuit Separation

Explains the test for checking circuit separation in SELV, PELV, and isolated systems.

Test on Differential Switches (RCD)

Explains the purpose and allowable values for testing differential switches (RCDs).

Verification of Breaking Capacity of Protection Devices

Explains how to verify the breaking capacity of protection devices.

Verify Protection Against Indirect Contacts in TN Systems

Explains how to verify protection against indirect contacts in TN systems.

RA Test in TN Systems

Explains the Ra test in TN systems for indirect contact protection.

Verify Protection Against Indirect Contacts in TT Systems

Explains how to verify protection against indirect contacts in TT systems.

Verify Protection Against Indirect Contacts in IT Systems

Explains how to verify protection against indirect contacts in IT systems.

Verify Protection Coordination L-L, L-N and L-PE

Explains how to verify protection coordination for different phase configurations.

Verify Voltage Drop on Mains

Explains how to verify voltage drop on mains.

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