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