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HT COMBI419 User Manual

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Copyright HT ITALIA 2012 Release EN 1.07 - 05/06/2012
400 Series
User manual
ISO410 - SPEED418 - COMBI419 - COMBI420

Table of Contents

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HT COMBI419 Specifications

General IconGeneral
Continuity TestYes
Diode TestYes
DC Current10A
AC Current10A
Resistance40MΩ
Frequency10Hz-10MHz
Display4000 counts
StandardIEC/EN61010-1
SafetyCAT III 600V
Operating Temperature0°C
Dimensions40mm

Summary

1. SAFETY PRECAUTIONS AND PROCEDURES

Preliminary instructions

Safe usage instructions before and during measurement.

During use

Recommendations and instructions for safe operation while using the instrument.

After use

Instructions for powering off and storing the instrument after use.

Overvoltage categories - definitions

Defines measurement categories (IV, III, II, I) per overvoltage standards.

2. GENERAL DESCRIPTION

Introduction

Introduces the instrument and its covered models.

Instrument operation

Lists the tests the instrument can perform.

3. PREPARATION FOR USE

Initial checks

Recommends checking the instrument for transport damage and package contents.

Instrument power supply

Details battery power, charge indication, and auto power-off features.

Calibration

States warranty period for technical specifications.

Storage

Recommends returning the instrument to normal conditions after long storage.

4. OPERATION DESCRIPTION

Instrument description

Identifies front, upper, and side parts of the instrument with captions.

Backlighting

Explains how to use and the battery impact of display backlighting.

Keyboard description

Lists and describes the function of each key on the instrument.

Display description

Describes the graphic module display and its elements.

Initial screen

Details information shown on the initial screen when turning on the instrument.

5. MAIN MENU

AUTO + PWR

Explains how to access measurements listed between AUTO and PWR.

SET - Instrument settings

Describes how to access and modify instrument settings.

Language

How to select the instrument's display language.

Auto power off

How to enable/disable the auto power off feature.

Nominal voltage

How to set the nominal voltage for calculations.

Frequency

How to set the mains frequency.

System

How to select the type of electric power supply system.

MEM

Accesses memory management functions.

6. ELECTRICAL SYSTEM TEST

AUTO

Performs an automatic sequence of tests: earth resistance, RCD tripping, insulation resistance.

LOWOHM: CONTINUITY TEST OF EARTH LEADS WITH 200mA

Measures continuity of earth conductors with test current > 200mA.

ΜΩ: MEASUREMENT OF THE INSULATION RESISTANCE

Measures insulation resistance between conductors and earth.

RCD: TEST ON A-TYPE AND AC-TYPE RCDS

Tests tripping time and current of system RCDs.

LOOP: MEASUREMENT OF LINE/LOOP IMPEDANCE

Measures line/loop impedance and calculates prospective short circuit current.

RA 15mA: MEASUREMENT OF THE TOTAL EARTH RESISTANCE THROUGH THE SOCKET-OUTLET

Measures total earth resistance with 15mA without tripping RCD.

123: PHASE SEQUENCE TEST

Tests phase sequence by direct contact with live parts.

7. AUXILIARY MEASUREMENTS

AUX: REAL TIME MEASUREMENT OF THE ENVIRONMENTAL PARAMETERS

Measures environmental parameters using external transducers.

dB mode

Measures acoustic pressure (SPL, Peak, Duration) using sound level probe.

AIR, RH, TMP °F, TMP °C, Lux mode

Measures air speed, humidity, temperature, and light using probes.

Description of anomalous results

Describes anomalous results for AIR, RH, TMP, Lux, VOLT modes.

LEAK: REAL TIME MEASUREMENT OF THE LEAKAGE CURRENT THROUGH AN EXTERNAL CLAMP

Measures leakage current in real-time using an external clamp.

8. MAINS ANALYSIS

PWR: REAL TIME MEASUREMENT OF THE MAINS PARAMETERS

Measures mains voltage, current, harmonics, power, and power factor.

PAR mode

Measures electrical parameters like current, voltage, power, PF.

HRM V ane HRM I mode

Measures voltage and current harmonics.

9. MEMORY

HOW TO SAVE A MEASURE

Instructions on how to save measured data.

SAVED DATA MANAGEMENT

Manages saved measurements, including recall and deletion.

How to recall a measure

Steps to display saved measurements.

How to delete the last measure or all of them

Options to delete single or all stored measurements.

Description of anomalous results

Describes what happens when memory is accessed with no saved data.

10. CONNECTING THE INSTRUMENT TO A PC

11. MAINTENANCE

GENERAL

General recommendations for instrument use and storage.

BATTERY REPLACEMENT

Step-by-step guide for replacing instrument batteries.

INSTRUMENT CLEANING

Instructions for cleaning the instrument.

END OF LIFE

Symbol indication for proper disposal of equipment.

12. SPECIFICATIONS

TECHNICAL FERATURES

Detailed technical specifications for various measurement functions.

SAFETY SPECIFICATION

Lists safety standards and specifications for the instrument.

General

General safety ratings, pollution level, and overvoltage category.

Reference standards for verification measurements

Lists standards for different measurement types.

AUX

Standard for sound level measurement.

GENERAL CHARACTERISTICS

Mechanical data, power supply, display, memory, PC interface.

ENVIRONMENT

Environmental working conditions.

Environmental working conditions

Specifies temperature, humidity, and altitude limits.

ACCESSORIES

Refers to the packing list for accessories.

13. SERVICE

WARRANTY CONDITIONS

Outlines warranty terms, exclusions, and manufacturer rights.

SERVICE

Troubleshooting steps and return procedure for service.

14. PRACTICAL REPORTS FOR ELECTRICAL TESTS

CONTINUITY MEASUREMENT ON PROTECTIVE CONDUCTORS

Purpose, installation parts, and allowable values for continuity tests.

INSULATION RESISTANCE MEASUREMENT

Purpose and example of insulation resistance measurement.

CHECK OF THE CIRCUIT SEPARATION

Definitions, purpose, and allowable values for checking circuit separation.

WORKING TEST OF RCDS

Purpose, parts, allowable values, and notes for testing RCDs.

TEST OF RCD TRIPPING CURRENT

Purpose, installation parts, allowable values, and notes for testing RCD tripping current.

MEASUREMENT OF SHORT-CIRCUIT IMPEDANCE

Purpose, installation parts, and allowable values for short-circuit impedance.

FAULT LOOP IMPEDANCE MEASUREMENT

Purpose, installation parts, and allowable values for fault loop impedance.

EARTH RESISTANCE MEASUREMENTIN TT SYSTEMS

Purpose, installation parts, and allowable values for earth resistance in TT systems.

VOLTAGE AND CURRENT HARMONICS

Theory, limit values, causes, and consequences of voltage and current harmonics.

POWER AND POWER FACTOR DEFINITION

Definitions and conventions for power and power factor.

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