HT instruments HT82 - Manual (Page 17)

HT82
EN - 4
4. OPERATING INSTRUCTIONS
4.1. MEASUREMENT DESCRIPTION
CAUTION
Do not test or connect to any circuit exceeding the specified overload
protection. Do not attempt to measure higher voltages to avoid electrical
shocks or damages to the instrument.
1. Connect the test cables by following their numbering.
2. Apply the relevant alligator clips to the free ends of the cables.
3. Connect the alligator clips to the electrical mains.
4. The instrument displays:
• The connected phase cables, L1, L2, L3 refer to the relevant inputs (two cables
have to be connected at least).
• The phase sequence: the letter R with a clockwise arrow indicates the correct
phase sequence, the letter L with a counterclockwise arrow indicates the uncorrect
phase sequence.
5. MAINTENANCE
5.1. GENERAL INFORMATION
This is a precision instrument. To guarantee its performances be sure to use it according to
these instructions and keep it stored on suitable environmental conditions Do not expose it
to high temperatures or humidity or direct sunlight.
5.2. CLEANING
To clean the instrument use a soft dry cloth. Never use a wet cloth, solvents or water.
5.3. END OF LIFE
CAUTION: this symbol indicates that equipment and its accessories shall be
subject to a separate collection and correct disposal.