HT Instruments HT100 Bedienungsanleitung Seite 22

Table of 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 ................................................................ 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 Commands description ............................................................................................................... 6
4.1.2 Alignment marks ......................................................................................................................... 6
4.2 Description of function keys ............................................................................................. 7
4.2.1 /HOLD key .............................................................................................................................. 7
4.2.2 Backlight
4.2.3 Disabling the Auto Power OFF function ..................................................................................... 7
4.3 Performing measurements .............................................................................................. 8
4.3.1 DC/AC Voltage measurement .................................................................................................... 8
4.3.2 Use of Voltsense feature ............................................................................................................ 9
4.3.3 Resistance measurement ......................................................................................................... 10
4.3.4 Continuity test and Diode test ................................................................................................... 11
4.3.5 AC Current measurement ......................................................................................................... 12
5 MAINTENANCE.......................................................................................................... 13
5.1 General informations ..................................................................................................... 13
5.2 Replacing the batteries .................................................................................................. 13
5.3 Cleaning ........................................................................................................................ 13
5.4 End of life ...................................................................................................................... 13
6 TECHNICAL SPECIFICATIONS ................................................................................ 14
6.1 Technical characteristics ............................................................................................... 14
6.1.1 Reference guidelines ................................................................................................................ 15
6.1.2 General data ............................................................................................................................. 15
6.2 Environmental conditions ............................................................................................... 15
6.2.1 Climatic conditions .................................................................................................................... 15
6.3 Accessories ................................................................................................................... 15
6.3.1 Standard accessories ............................................................................................................... 15
7 SERVICE .................................................................................................................... 16
7.1 Warranty conditions ....................................................................................................... 16
7.2 Service .......................................................................................................................... 16
key ........................................................................................................................ 7
EN - 1
HT100