Ht-instruments HT9012 Manual de usuario descargar pdf (Pagina 2)

HT9012

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................................................................. 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 Function key description.................................................................................................... 7

4.2.1 HOLD key ................................................................................................................................... 7

4.2.2 key ........................................................................................................................................ 7

4.2.3 RANGE key ................................................................................................................................ 7

4.2.4 MAX key ..................................................................................................................................... 7

4.2.5 MODE key .................................................................................................................................. 7

4.3 Functions of rotary switch description ............................................................................... 8

4.3.1 DC Voltage measurement ..........................................................................................................8

4.3.2 AC Voltage measurement ..........................................................................................................9

4.3.3 AC Current measurement......................................................................................................... 10

4.3.4 Resistance measurement......................................................................................................... 11

4.3.5 Continuity test and Diode test................................................................................................... 12

5 MAINTENANCE .........................................................................................................13

5.1 General informations....................................................................................................... 13

5.2 Battery replacement ........................................................................................................ 13

5.3 Cleaning .......................................................................................................................... 13

5.4 End of life ........................................................................................................................ 13

6 TECHNICAL SPECIFICATIONS ................................................................................14

6.1 Characteristics.................................................................................................................14

6.1.1 Safety........................................................................................................................................ 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

1 2 3 4 5 6 7 ... 16 17

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Ht-instruments HT9012 Manual de usuario Pagina 2

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