MI 3099 Demonstration board
1 Introduction
1.1 General Description
Demonstration board simulates typical electrical installation usually met in individual
houses or apartments. This board is to be used preferably by sales personnel when
demonstrating operation of electrical installation test equipment, especially the new
Metrel’s electrically installations safety testers with built in Autosequencer.
The board is placed into plastic carrying case. The board contains real elements of
electrical installation like RCD, mains switch, automatic fuses, switches, lamps, 1-phase
and 3-phase mains test outlet, N and PE collector.
TN or TT system can be simulated.
Demonstration board is constructed according to European safety standard EN 61010-1.
1.2 General warnings
• Connect Demonstration board to outlets with well grounded protection
terminal only! Line impedance (ZLN) of outlet must be less than 1 Ω!
• If Demonstration board is not used in a manner specified by manufacturer,
the protection provided by the equipment may be impaired.
• Only qualified personnel who are familiar with the board and related
installation testers can work with the Demonstration board!
• Do not use Demonstration board in case of any damage noticed!
• Only an authorised person may carry out servicing of Demonstration
board!
• Use carefully the Demonstration board to avoid electric shock. Mains
voltage is present on it in the same manner as in the real switchboards.
• 1- and 3-phase outlets are intended for demonstration purposes only.
Never use other equipment than installation testers.
• Never touch metal tip of test probes or put fingers over protection barrier.
See the figure below
Barrier
Correct and safety Wrong and
Hazardous live
4
