HT HT64 Manuel D'utilisation page 36

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 andTRMS 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. Calibration ......................................................................................................................... 5
3.4. Storage .............................................................................................................................. 5
4. OPERATING INSTRUCTIONS ..................................................................................... 6
4.1. Description of the instrument ............................................................................................. 6
4.1.1. Description of the controls .......................................................................................................... 6
4.2. Description of function keys .............................................................................................. 7
4.2.1. HOLD/REL key ........................................................................................................................... 7
4.2.2. RANGE key ................................................................................................................................ 7
4.2.3. Function keys F1, F2, F3, F4 ...................................................................................................... 7
4.3. Description of internal functions ........................................................................................ 8
4.3.1. Description of the display ........................................................................................................... 8
4.3.2. AC+DC Voltage and Current measurement ............................................................................... 8
4.3.3. HOLD function and saving .......................................................................................................... 8
4.3.4. Relative measurement ................................................................................................................ 9
4.3.5. Saving MIN/MAX/AVERAGE and PEAK values ......................................................................... 9
4.3.6. Creating and saving graphs of measurements ......................................................................... 10
4.3.7. Instrument general menu .......................................................................................................... 10
4.4. Operating instructions ..................................................................................................... 17
4.4.1. DC, AC+DC Voltage measurement .......................................................................................... 17
4.4.2. AC Voltage measurement ........................................................................................................ 18
4.4.3. Frequency and Duty Cycle measurement ................................................................................ 19
4.4.4. Resistance measurement and continuity test ........................................................................... 20
4.4.5. Diode test .................................................................................................................................. 21
4.4.6. Capacitance measurement ....................................................................................................... 22
4.4.7. Temperature measurement with K-type probe ......................................................................... 23
4.4.8. DC, AC+DC Current measurement and e 4-20mA% reading .................................................. 24
4.4.9. AC Current measurement ......................................................................................................... 25
5. MAINTENANCE ......................................................................................................... 26
5.1. Recharging the internal battery ....................................................................................... 26
5.2. Replacement of internal fuses ......................................................................................... 27
5.3. Cleaning the instrument .................................................................................................. 27
5.4. End of life ........................................................................................................................ 27
6. TECHNICAL SPECIFICATIONS ................................................................................ 28
6.1. Technical characteristics ................................................................................................. 28
6.1.1. Reference standards ................................................................................................................ 30
6.1.2. General characteristics ............................................................................................................. 30
6.2. Environment .................................................................................................................... 30
6.2.1. Environmental conditions for use ............................................................................................. 30
6.3. Accessories ..................................................................................................................... 30
6.3.1. Accessories provided ............................................................................................................... 30
6.3.2. Optional accessories ................................................................................................................ 30
7. ASSISTANCE ............................................................................................................. 31
7.1. Warranty conditions ......................................................................................................... 31
7.2. Assistance ....................................................................................................................... 31
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HT64