HT instruments HT8051 User 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