Patent ID: 6967486

Claim:
A two conductor measuring device (MS) for use in transport, especially in a ship, comprising: a source circuit (Q), certified in accordance with a valid standard, IEC 1000-4-5; a primary vehicle electrical system (NP); and a secondary vehicle electrical system (NS), wherein: said source circuit (Q) is supplied with primary power by said primary vehicle electrical system (NP); said source circuit (Q) serving to supply power to said secondary vehicle electrical system (NS); the two conductor measuring device (MS) is supplied on-board the ship transport with current from a current loop, the current originating from said source circuit (Q) and the two conductor measuring device generates a measuring signal value and transmits the measuring signal value via said current loop; and the two conductor measuring device (MS) is designed such that it cannot be certified for electromagnetic compatibility in accordance with the valid standard, IEC-1000-4-5.