HT65
EN - 1
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. Storage .............................................................................................................................. 5
4. NOMENCLATURE ........................................................................................................ 6
4.1. Description of the instrument ............................................................................................. 6
4.2. Description of function keys .............................................................................................. 7
4.2.1. HOLD/ key ............................................................................................................................. 7
4.2.2. RANGE key ................................................................................................................................ 7
4.2.3. REL key ...................................................................................................................................... 7
4.2.4. MODE key .................................................................................................................................. 7
4.2.5. LoZ feature ................................................................................................................................. 7
4.2.6. Disabling the Auto Power Off function ........................................................................................ 7
5. OPERATING INSTRUCTIONS ..................................................................................... 8
5.1. DC Voltage measurement ................................................................................................. 8
5.2. AC Voltage measurement ................................................................................................. 9
5.3. AC/DC Voltage measurement with low impedance (LoZ) ............................................... 10
5.4. Frequency and Duty Cycle measurement ....................................................................... 11
5.5. Resistance measurement and Continuity test ................................................................. 12
5.6. Diode test ........................................................................................................................ 13
5.7. Capacitance measurement ............................................................................................. 14
5.8. Temperature measurement with K-type probe ................................................................ 15
5.9. DC Current measurement with transducer clamps ......................................................... 16
5.10. AC Current measurement with transducer clamps .......................................................... 17
6. MAINTENANCE ......................................................................................................... 18
6.1. Replacing battery ............................................................................................................ 18
6.2. Cleaning the instrument .................................................................................................. 18
6.3. End of life ........................................................................................................................ 18
7. TECHNICAL SPECIFICATIONS ................................................................................ 19
7.1. Technical characteristics ................................................................................................. 19
7.1.1. Reference standards ................................................................................................................ 21
7.1.2. General characteristics ............................................................................................................. 21
7.2. Environment .................................................................................................................... 22
7.2.1. Environmental conditions for use ............................................................................................. 22
7.3. Accessories ..................................................................................................................... 22
7.3.1. Accessories provided ............................................................................................................... 22
7.3.2. Optional accessories ................................................................................................................ 22
8. ASSISTANCE ............................................................................................................. 23
8.1. Warranty conditions ......................................................................................................... 23
8.2. Assistance ....................................................................................................................... 23
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