HT instruments HT4010 - Manual (Page 22)

HT4010
EN - 1
Contents:
1
SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2
1.1 Preliminary ........................................................................................................................ 2
1.2 Before use ......................................................................................................................... 3
1.3 After use ............................................................................................................................ 3
1.4 Measuring (overvoltage) categories definitions ................................................................. 4
2 GENERAL DESCRIPTION ........................................................................................... 5
2.1 TRMS and MEAN VALUE measuring instruments ............................................................ 5
2.2 TRUE ROOT MEAN SQUARE VALUE and CREST FACTOR definitions ........................ 5
3 PREPARATION FOR USE ........................................................................................... 6
3.1 Initial .................................................................................................................................. 6
3.2 Power supply ..................................................................................................................... 6
3.3 Calibration ......................................................................................................................... 6
3.4 Storage .............................................................................................................................. 6
4 OPERATING INSTRUCTIONS ..................................................................................... 7
4.1 Instrument description ....................................................................................................... 7
4.1.1 Commands description ............................................................................................................... 7
4.2 Function key description .................................................................................................... 8
4.2.1 HOLD key ................................................................................................................................... 8
4.2.2 key ........................................................................................................................................ 8
4.2.3 RANGE key ................................................................................................................................ 8
4.2.4 MAX key ..................................................................................................................................... 8
4.2.5 MODE key .................................................................................................................................. 8
4.3 Functions of rotary switch description ............................................................................... 9
4.3.1 DC Voltage measurement .......................................................................................................... 9
4.3.2 AC Voltage measurement ........................................................................................................ 10
4.3.3 AC Current measurement ......................................................................................................... 11
4.3.4 Resistance measurement ......................................................................................................... 12
4.3.5 Continuity test and Diode test ................................................................................................... 13
5 MAINTENANCE ......................................................................................................... 14
5.1 General informations ....................................................................................................... 14
5.2 Battery replacement ........................................................................................................ 14
5.3 Cleaning .......................................................................................................................... 14
5.4 End of life ........................................................................................................................ 14
6 TECHNICAL SPECIFICATIONS ................................................................................ 15
6.1 Characteristics ................................................................................................................. 15
6.1.1 Safety ........................................................................................................................................ 16
6.1.2 General data ............................................................................................................................. 16
6.2 Environmental conditions ................................................................................................ 16
6.2.1 Climatic conditions .................................................................................................................... 16
6.3 Accessories ..................................................................................................................... 16
6.3.1 Standard accessories ............................................................................................................... 16
7 SERVICE .................................................................................................................... 17
7.1 Warranty conditions ......................................................................................................... 17
7.2 Service ............................................................................................................................ 17