HT Instruments HT4011 Manual De Instrucciones página 25

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. HOLD key ................................................................................................................................... 7
4.2.2. REL key ...................................................................................................................................... 7
4.2.3. Hz% key ...................................................................................................................................... 7
4.2.4. key ........................................................................................................................................ 7
4.2.5. MODE key .................................................................................................................................. 7
5. OPERATING INSTRUCTIONS ..................................................................................... 8
5.1. DC Voltage measurement ............................................................................................... 8
5.2. AC Voltage measurement ................................................................................................ 9
5.3. Frequency and Duty Cycle measurement ...................................................................... 10
5.4. Resistance measurement .............................................................................................. 11
5.5. Continuity test and Diode test ........................................................................................ 12
5.6. Capacitance measurement ............................................................................................ 13
5.7. Temperature measurement with type K probe ............................................................... 14
5.8. AC Current measurement .............................................................................................. 15
6. MAINTENANCE.......................................................................................................... 16
6.1. General information ....................................................................................................... 16
6.2. Replacing the battery ..................................................................................................... 16
6.3. Cleaning the instrument ................................................................................................. 16
6.4. End of life ...................................................................................................................... 16
7. TECHNICAL SPECIFICATIONS ................................................................................ 17
7.1. Technical characteristics ............................................................................................... 17
7.1.1. Reference standards ................................................................................................................ 18
7.1.2. General characteristics ............................................................................................................. 18
7.2. Environment .................................................................................................................. 18
7.2.1. Environmental conditions for use ............................................................................................. 18
7.3. Accessories ................................................................................................................... 19
7.3.1. Standard accessories ............................................................................................................... 19
7.3.2. Optional accessories ................................................................................................................ 19
8. SERVICE .................................................................................................................... 20
8.1. Warranty conditions ....................................................................................................... 20
8.2. Service .......................................................................................................................... 20
EN – 1
HT4011