User Manual
HT9019
EN - 1
Table of contents:
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2
1.1. Preliminary ........................................................................................................................ 2
1.2. During use ......................................................................................................................... 3
1.3. After use ............................................................................................................................ 3
1.4. Measuring (overvoltage) categories definitions ................................................................. 3
2. GENERAL DESCRIPTION ........................................................................................... 4
2.1. TRMS and Mean value measuring instruments ................................................................ 4
2.2. True Root Mean square value and crest factor definitions ................................................ 4
3. PREPARATION FOR USE ........................................................................................... 5
3.1. Initial .................................................................................................................................. 5
3.2. Power supply ..................................................................................................................... 5
3.3. Calibration ......................................................................................................................... 5
3.4. Storage .............................................................................................................................. 5
4. OPERATING INSTRUCTIONS ..................................................................................... 6
4.1. Instrument description ....................................................................................................... 6
4.1.1. Command description ......................................................................................................... 6
4.1.2. Alignment marks ................................................................................................................. 6
4.2. Function key description .................................................................................................... 7
4.2.1. H key .................................................................................................................................. 7
4.2.2.
key ................................................................................................................................ 7
4.2.3. MODE key .......................................................................................................................... 7
4.2.4. MAX/MIN key ...................................................................................................................... 7
4.2.5. REL key .............................................................................................................................. 7
4.2.6. PEAK key ........................................................................................................................... 7
4.3. Functions of rotary switch description ............................................................................... 8
4.3.1. AC Voltage measurement ................................................................................................... 8
4.3.2. DC Voltage measurement .................................................................................................. 9
4.3.3. Resistance measurement and Continuity test .................................................................. 10
4.3.4. AC Current measurement ................................................................................................. 11
5. MAINTENANCE ......................................................................................................... 12
5.1. General informations ....................................................................................................... 12
5.2. Battery replacement ........................................................................................................ 12
5.3. Cleaning .......................................................................................................................... 12
5.4. End of life ........................................................................................................................ 12
6. TECHNICAL SPECIFICATIONS ................................................................................ 13
6.1. Characteristics ................................................................................................................. 13
6.1.1. Safety ............................................................................................................................... 14
6.1.2. General data ..................................................................................................................... 14
6.2. Environmental conditions ................................................................................................ 14
6.2.1. Climatic conditions ............................................................................................................ 14
6.3. Standard accessories ...................................................................................................... 14
7. SERVICE .................................................................................................................... 15
7.1. Warranty conditions ......................................................................................................... 15
7.2. Service ............................................................................................................................ 15