HT Instruments HT3010 Manuel D'utilisation page 22

TABLE OF CONTENTS
1. PRECAUTIONS AND SAFETY MEASURES ............................................................... 2
1.1. Preliminary instructions.................................................................................................... 2
1.2. During use ....................................................................................................................... 3
1.3. After use .......................................................................................................................... 3
1.4. Definition of measurement (overvoltage) category ........................................................... 3
2. GENERAL DESCRIPTION ........................................................................................... 4
2.1. Measuring average values and TRMS values .................................................................. 4
2.2. Definition of true root mean square value and crest factor ............................................... 4
3. PREPARATION FOR USE ........................................................................................... 5
3.1. Initial checks .................................................................................................................... 5
3.2. Instrument power supply .................................................................................................. 5
3.3. Storage ............................................................................................................................ 5
4. NOMENCLATURE ........................................................................................................ 6
4.1. Instrument description ..................................................................................................... 6
4.1.1. Alignment marks ......................................................................................................................... 6
4.2. Description of function keys ............................................................................................. 7
4.2.1. H key ........................................................................................................................................... 7
4.2.2. key ......................................................................................................................................... 7
4.2.3. MODE key .................................................................................................................................. 7
4.2.4. RANGE key ................................................................................................................................ 7
4.2.5. MAX MIN key .............................................................................................................................. 7
4.2.6. Disabling the Auto Power Off function ........................................................................................ 7
5. OPERATING INSTRUCTIONS ..................................................................................... 8
5.1. DC Voltage measurement ............................................................................................... 8
5.2. Non-contact AC Voltage detection (NCV) ........................................................................ 9
5.3. AC Voltage and Frequency measurement ..................................................................... 10
5.4. Resistance measurement .............................................................................................. 11
5.5. Continuity test and Diode test ........................................................................................ 12
5.6. AC Current measurement .............................................................................................. 13
6. MAINTENANCE.......................................................................................................... 14
6.1. General information ....................................................................................................... 14
6.2. Replacing the battery ..................................................................................................... 14
6.3. Cleaning the instrument ................................................................................................. 14
6.4. End of life ...................................................................................................................... 14
7. TECHNICAL SPECIFICATIONS ................................................................................ 15
7.1. Technical characteristics ............................................................................................... 15
7.1.1. Reference standards ................................................................................................................ 16
7.1.2. General characteristics ............................................................................................................. 16
7.2. Environment .................................................................................................................. 16
7.2.1. Environmental conditions for use ............................................................................................. 16
7.3. Accessories ................................................................................................................... 16
7.3.1. Standard accessories ............................................................................................................... 16
8. SERVICE .................................................................................................................... 17
8.1. Warranty conditions ....................................................................................................... 17
8.2. Service .......................................................................................................................... 17
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HT3010