HT instruments HT8051 - Manual (Page 2)

HT8051
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
3. PREPARATION FOR USE ........................................................................................... 4
3.1. Initial checks .......................................................................................................... 4
3.2. Instrument power supply ....................................................................................... 4
3.3. Calibration ............................................................................................................. 4
3.4. Storage .................................................................................................................. 4
4. OPERATING INSTRUCTIONS ..................................................................................... 5
4.1. Instrument description ........................................................................................... 5
4.2. Description of function keys and initial settings ..................................................... 6
4.2.1. key .......................................................................................................................... 6
4.2.2. 0-100% key .................................................................................................................. 6
4.2.3. 25%/ key .................................................................................................................. 6
4.2.4. MODE key .................................................................................................................... 6
4.2.5. key ................................................................................................................... 7
4.2.6. Adjuster knob ............................................................................................................... 7
4.2.7. Setting measuring ranges for output current ................................................................ 7
4.2.8. Adjusting and disabling the Auto Power OFF function ................................................. 7
4.3. Description of measuring functions ........................................................................ 8
4.3.1. DC Voltage measurement ............................................................................................ 8
4.3.2. DC Voltage generation ................................................................................................. 9
4.3.3. DC Current measurement .......................................................................................... 10
4.3.4. DC Current generation ............................................................................................... 11
4.3.5. Measuring output DC current from external transducers (Loop) ................................ 12
4.3.6. Simulation of a transducer ......................................................................................... 13
5. MAINTENANCE ......................................................................................................... 14
5.1. General information ............................................................................................. 14
5.2. Recharging the internal battery............................................................................ 14
5.3. Cleaning the instrument ....................................................................................... 14
5.4. End of life ............................................................................................................ 14
6. TECHNICAL SPECIFICATIONS ................................................................................ 15
6.1. Technical characteristics ..................................................................................... 15
6.2. General characteristics ........................................................................................ 16
6.2.1. Reference standards .................................................................................................. 16
6.2.2. General characteristics .............................................................................................. 16
6.3. Environment ........................................................................................................ 16
6.3.1. Environmental conditions for use ............................................................................... 16
6.4. Accessories ......................................................................................................... 16
6.4.1. Accessories provided ................................................................................................. 16
7. SERVICE .................................................................................................................... 17
7.1. Warranty conditions ............................................................................................. 17
7.2. Service ................................................................................................................ 17