ENGLISH User manual Copyright HT ITALIA 2012 Release EN 2.
HT5 Table of contents: 1. PRECAUTIONS AND SAFETY MEASURES ........................................................................... 2 1.1. 1.2. 1.3. 1.4. 2. 3. GENERAL DESCRIPTION ....................................................................................................... 4 PREPARATION FOR USE ....................................................................................................... 4 3.1. 3.2. 3.3. 3.4. 4. General information ..................................................
HT5 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with directive IEC/EN61010-1 relevant to electronic measuring instruments. For your safety and in order to prevent damaging the instrument, please carefully follow the procedures described in this manual and read all notes preceded by the symbol with the utmost attention.
HT5 1.4. DEFINITION OF MEASUREMENT (OVERVOLTAGE) CATEGORY Standard CEI 61010: Safety requirements for electrical equipment for measurement, control and laboratory use, Part 1: General requirements” defines measurement category, commonly called overvoltage category. In § 6.7.4: Measured circuits, circuits are divided into the following measurement categories: (OMISSIS) • Measurement category IV is for measurements performed at the source of the lowvoltage installation.
HT5 2. GENERAL DESCRIPTION The instrument HT5 can be used as: • • • • Lamp test for gas filled lamps Continuity / diode test Single pole voltage test Torch light The instrument can be also used for testing ballasts, starters, capacitors, resistors more than the herewith lamp types: • • • • • Fluorescent lamps Low pressure sodium vapour lamps High pressure sodium vapour lamps Neon tubes Mercury and metal halogen lamps 3. PREPARATION FOR USE 3.1.
HT5 4. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Test Probe for lamp test, voltage test and continuity/diode test 2. “Test” LED 3. “Continuity/Voltage” LED 4. Touch electrode for voltage test and Continuity / diode test 5. Button for lamp test 6. Button for torch light 7. Battery case Fig.
HT5 5. INSTRUMENT FUNCTIONS 5.1. PHASE DETECTION The HT5 can be used as phase detector in the presence of voltage between 60V and 250V AC. Measurement procedure: • • • Touch contact “Electrode” (see Fig. 1 - point 4) during voltage test Connect test probe (see Fig. 1 – point 1) to the device under test Illumination of the LED “Continuity/Voltage” indicates the presence of an AC voltage between 60V and 250V. Simultaneously an acoustic sound is audible.
HT5 5.2. LAMP TEST The HT5 allows you to quickly detect the presence of faults in lamps, especially for all gasfilled low pressure and high pressure vapour lamps. Measurement procedure: • • connect test probe (see Fig. 1 – point 1) to glass body or lamp socket Press “Test” button (see Fig. 1 – point 5) for the duration of the test CAUTION Do not touch the lamp socket (this could lead to faulty test results).
HT5 5.3. CONTINUITY / DIODE TEST HT5 allows continuity and diode tests with optical and acoustic indication. CAUTION Prior to any continuity test, it must be ensured that the resistance to be measured is not live. Failure to comply with this prescription can lead to dangerous user injuries. Continuity test procedure: • • • • Touch contact “Electrode” (see Fig. 1 - point 4) during continuity test Connect test probe (see Fig.
HT5 6. MAINTENANCE 6.1. GENERAL INFORMATION 1. While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. 2. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight. 3. In case the instrument is not to be used for a long time, remove the batteries to avoid liquid leaks that could damage the instrument’s internal circuits. 6.2.
HT5 7. TECHNICAL SPECIFICATIONS 7.1. TECHNICAL CHARACTERISTICS Voltage Test Test Range: 60-250V AC Frequency Range: 40-60 Hz Test Current: < 200mA Lamp Test Voltage with new battery: Field strength 150-170 kHz: Display: approx. 3kV / 280kHz approx. 100 µV/m “Test” LED on and acoustic signal Continuity Test Dielectrical Strength: Test Range: Test Current: Display: 250V AC/DC approx. 0-5 MΩ < 7 µA “Continuity/Voltage” LED on and acoustic signal 7.2.
HT5 8. SERVICE 8.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product. The warranty shall not apply in the following cases: • • • • • • Repair and/or replacement of accessories and batteries (not covered by warranty).
