Ht-instruments HT8100 Manual de usuario descargar pdf (Pagina 2)

HT8100

EN - 1

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. Calibration ......................................................................................................................... 5

3.4. Storage .............................................................................................................................. 5

4. OPERATING INSTRUCTIONS ..................................................................................... 6

4.1. Instrument description ....................................................................................................... 6

4.2. Description of function keys .............................................................................................. 7

4.2.1. A-HOLD and REL keys .................................................................................................................... 7

4.2.2. ENTER and CANCEL keys ................................................................................................................ 7

4.2.3. HFR and Hz keys ............................................................................................................................... 7

4.2.4. RANGE and MODE keys ................................................................................................................... 7

4.3. Internal modes of the instrument ....................................................................................... 8

4.3.1. MIN/MAX/AVG measurement ............................................................................................................ 8

4.3.2. AutoTest and Manual Test mode ....................................................................................................... 8

4.3.3. AC+DC mode ..................................................................................................................................... 8

4.3.4. HFR mode ......................................................................................................................................... 8

4.3.5. STORE and RECALL modes ............................................................................................................. 9

4.3.6. Activation/deactivation of the internal functions ................................................................................. 9

4.3.7. Output DC current generation .......................................................................................................... 10

4.3.8. Loop Power and HART 250 modes .............................................................................................. 10

4.4. Measuring operations ...................................................................................................... 11

4.4.1. DC Voltage measurement ............................................................................................................... 11

4.4.2. AC Voltage and Frequency measurement ....................................................................................... 12

4.4.3. DC Current measurement ................................................................................................................ 13

4.4.4. AC Current and Frequency measurement ....................................................................................... 14

4.4.5. Resistance measurement and Continuity test ................................................................................. 15

4.4.6. Diode test ......................................................................................................................................... 16

4.4.7. DC current generation ..................................................................................................................... 17

4.4.8. Simulation of a transducer ............................................................................................................... 18

4.4.9. Measuring output DC current from external transducers (Loop) ..................................................... 19

5. MAINTENANCE ......................................................................................................... 20

5.1. Replacing the batteries and the internal fuses ................................................................ 20

5.2. Cleaning the instrument .................................................................................................. 20

5.3. End of life ........................................................................................................................ 20

6. TECHNICAL SPECIFICATIONS ................................................................................ 21

6.1. Technical characteristics ................................................................................................. 21

6.1.1. Electrical characteristics .................................................................................................................. 23

6.1.2. Considered standards ...................................................................................................................... 23

6.1.3. General characteristics .................................................................................................................... 23

6.2. Environment .................................................................................................................... 24

6.2.1. Environmental conditions for use ..................................................................................................... 24

6.3. Accessories ..................................................................................................................... 24

6.3.1. Accessories provided ....................................................................................................................... 24

7. SERVICE .................................................................................................................... 25

7.1. Warranty conditions ......................................................................................................... 25

7.2. Service ............................................................................................................................ 25