FIELD: instrumentation.
SUBSTANCE: device comprises three inlet circuits for connection to power supply buses and to the product body, and two outlet circuits for connection of a measurement instrument, two groups of electromagnetic relays, a diode and two low-resistance resistors R1 and R2, which are correspondingly connected to each other. At the same time the specified resistors may be made with different par values by resistance and be substantially less than equivalent resistance of load Rl on power supply buses.
EFFECT: increased efficiency due to reduced number of control measurements, elimination of impact from noise and errors of connection of a measurement instrument for reliability of an assembled electrical system of a product, provision of objective nature and validity of control and detection of errors or defects in an assembled electrical system of a product.
2 cl, 1 dwg
