HT instruments HT32 User Manual
Page 2

HT32
EN - 1
Content:
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..................................................... 4
2. GENERAL DESCRIPTION ........................................................................................... 5
2.1.
MEAN VALUE AND TRMS : DEFINITION ............................................................. 5
2.2.
TRUE ROOT MEAN SQUARE VALUE and CREST FACTOR : definition ............ 5
3. PREPARATION FOR USE ........................................................................................... 6
3.1.
Initial ...................................................................................................................... 6
3.2.
Supply Voltage ...................................................................................................... 6
3.3.
Calibration ............................................................................................................. 6
3.4.
Storage .................................................................................................................. 6
4. OPERATING INSTRUCTIONS ..................................................................................... 7
4.1.
Instrument Description .......................................................................................... 7
4.1.1. Front panel ....................................................................................................... 7
4.2.
FUNCTION Keys ................................................................................................... 8
4.2.1. MIN MAX........................................................................................................... 8
4.2.2. RANGE ............................................................................................................. 8
4.2.3. HOLD ................................................................................................................ 8
4.2.4. Disable Auto Power OFF .................................................................................. 8
4.3.
Measurements ....................................................................................................... 9
4.3.1. DC Voltage measurement ................................................................................. 9
4.3.2. AC Voltage measurement ............................................................................... 10
4.3.3. DC Current measurement ............................................................................... 11
4.3.4. AC Current measurement ............................................................................... 12
4.3.5. Frequency measurement ................................................................................ 13
4.3.6. Resistance measurement ............................................................................... 14
4.3.7. Diode test and continuity test ......................................................................... 15
4.3.8. Capacitance measurement ............................................................................. 16
5. MAINTENANCE .......................................................................................................... 17
5.1.
General Information ............................................................................................. 17
5.2.
Battery Replacement ........................................................................................... 17
5.3.
Fuse Replacement .............................................................................................. 18
5.4.
Cleaning .............................................................................................................. 18
5.5.
End of life ............................................................................................................ 18
6. TECHNICAL SPECIFICATIONS ................................................................................. 19
6.1.
Technical Features .............................................................................................. 19
6.1.1. Electrical specifications .................................................................................. 20
6.1.2. Safety.............................................................................................................. 20
6.1.3. General data ................................................................................................... 21
6.2.
Environment ........................................................................................................ 21
6.2.1. Environmental conditions ............................................................................... 21
6.2.2. EMC and LVD ................................................................................................. 21
6.3.
Accessories ......................................................................................................... 21
7. SERVICE .................................................................................................................... 22
7.1.
Warranty Conditions............................................................................................ 22
7.2.
Service ................................................................................................................ 22