FIELD: physics, measuring.
SUBSTANCE: invention relates to measuring equipment and can be used for preventing deliberate disruption of a single-phase meter. To achieve the result connect using clamps the single-phase meter to the network parallel to the winding of resistance and the sequential load of the current winding. Connection of the meter is checked. The generating station is earthed or connected to zero and the operating side with a clamp. Clamping case of the meter is closed and sealed. It is fixed and sealed from unsanctioned separation of the clamp which is earthing or connecting the wires to zero from the side of the earthing device.
EFFECT: increase in functionality.
1 dwg
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