MI 2166 Demonstration board Table of contents 1. Introduction ....................... 4 1.1. General Description....................4 1.2. General warnings ....................4 1.3. Meaning of warning/information symbols on front panel........4 1.4. List of measurements that can be demonstrated..........5 2. Before connecting demonstration board to mains supply........5 3.
MI 2166 Demonstration board Electrical installations 1. Introduction 1.1. General Description Demonstration board simulates common electrical installation usually met in individual house or apartment. This board is to be used preferably by sales personnel when demonstrating operation of electrical installation test equipment. It is placed into a practical plastic carrying case.
MI 2166 Demonstration board Electrical installations Protection circuit inside Demonstration board cuts mains voltage at input stage of the board if phase line is not applied to appropriate terminal or a voltage difference between neutral line and protective conductor is higher than 30 V.
MI 2166 Demonstration board Electrical installations 3. Front panel description 4. Faults simulation The following faults on electrical installation can be simulated: Approx. Approx. parameter Switch Parameter parameter value value without fault with fault Ω Ω Earth resistance R = 95...
MI 2166 Demonstration board Electrical installations 5. Measurements 5.1. Continuity of protective conductor Warning: Disconnect mains plug and switch off the RCD (protection device)! Start conditions: • All »fault« switches in OK position! Measurement location Nominal value 0.1 Ω PE collector – PE terminal of mains outlet 0.1 Ω...
MI 2166 Demonstration board Electrical installations 5.2. Insulation Resistance Warning: Disconnect mains plug and switch off the RCD (protection device)! Start conditions: • Switch off the lamp! • All »fault« switches in OK position! Measurement location Nominal value L terminal of mains outlet – N terminal of mains outlet >...
MI 2166 Demonstration board Electrical installations 5.4. Earth resistance using two-clamp method Warning: Disconnect mains plug and switch off the RCD (protection device)! Start conditions: • All »fault« switches in OK position! Measurement location Nominal value 11.5 Ω Current loop (jumper TN/TT/AUX removed, Jumper JUMP inserted) ≈...
MI 2166 Demonstration board Electrical installations 5.5. Specific earth resistance Warning: Disconnect mains plug and switch off the RCD (protection device)! Measurement location Nominal value 103 Ωm E – ES – S – H (“a” switch in 2 m position) 471 Ωm...
MI 2166 Demonstration board Electrical installations 5.7. Loop resistance Start conditions: • Connect mains plug and switch on the RCD (protection device)! • All »fault« switches in OK position! TN position TT position Note! The measurement of loop resistance will cause the RCD on front panel to trip if test current is higher or equal than declared nominal one, i.e.
MI 2166 Demonstration board Electrical installations 5.8. Contact voltage and trip-out time / Current of RCD protection device Start conditions: • Connect mains plug and switch on the RCD (protection device)! • All »fault« switches in OK position! Contact voltage ∆N...
MI 2166 Demonstration board Electrical installations 6. Technical data Nominal mains voltage.......230 V / 50 Hz Power consuption........7 W Mains cord………………………………….. single-phase Dimensions (width × length × height) ..450 × 330 × 110 mm Weight............3.45 kg Protection class..........I (protective earth conductor) Over current category ........CAT II 300 V...
MI 2166 Demonstration board Electrical installations 8. Standard set Upon receipt of Demonstration board it is advisable to check the content of the delivery. The following items have to be included: • Demonstration board. • Two jumpers. • Mains cable.
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