Table of Contents:
1.
1.1.
Preliminary instructions ..................................................................................................... 2
1.2.
During use ......................................................................................................................... 3
1.3.
After use ............................................................................................................................ 3
1.4.
2.
GENERAL DESCRIPTION .............................................................................................. 4
3.
PREPARATION FOR USE .............................................................................................. 4
3.1.
Preliminary checks ............................................................................................................ 4
3.2.
Power supply ..................................................................................................................... 4
3.3.
Calibration ......................................................................................................................... 4
3.4.
Storage .............................................................................................................................. 4
4.
OPERATING INSTRUCTIONS ........................................................................................ 5
4.1.
Instrument description ....................................................................................................... 5
4.1.1.
Controls description ..................................................................................................................... 5
4.1.2.
Alignment marks .......................................................................................................................... 5
4.1.3.
4.1.4.
4.2.
4.2.1.
4.2.2.
4.2.3.
4.2.4.
ENERGY and ENERGY/H key .................................................................................................. 7
4.3.
Operating instructions ....................................................................................................... 8
4.3.1.
AC/DC Voltage measurement ..................................................................................................... 8
4.3.2.
4.3.3.
4.3.4.
4.3.5.
AC Current measurement .......................................................................................................... 12
4.3.6.
4.3.7.
4.3.8.
4.3.9.
4.3.10.
4.3.10.1.
4.3.10.2.
5.
MAINTENANCE ............................................................................................................ 22
5.1.
General information ......................................................................................................... 22
5.2.
Battery replacement ........................................................................................................ 22
5.3.
Cleaning .......................................................................................................................... 22
5.4.
End of life ........................................................................................................................ 22
6.
6.1.
Technical characteristics ................................................................................................. 23
6.1.1.
Reference standards .................................................................................................................. 24
6.2.
General specifications ..................................................................................................... 24
6.3.
Environmental conditions ................................................................................................ 24
6.3.1.
Climatic conditions ..................................................................................................................... 24
6.4.
Accessories ..................................................................................................................... 24
6.4.1.
Standard accessories ................................................................................................................ 24
7.
SERVICE ....................................................................................................................... 25
7.1.
Warranty conditions ......................................................................................................... 25
7.2.
After-sale service ............................................................................................................. 25
8.
8.1.
Theory ............................................................................................................................. 26
8.2.
8.3.
8.4.
Quality HT Products Online at:
key .................................................................................................................................. 7
FUNC/HARM key ............................................................................................ 7
GlobalTestSupply
www.
.com
EN - 1
HT4020 - HT4022
sales@GlobalTestSupply.com