Analogue voltmeter Э47 500V accuracy class 1,5 72х72mm IEK

Э47 analogue electromagnetic voltmeters measure AC voltage in low-voltage residential, commercial and industrial distribution assemblies. Comply with ГОСТ 30012.1, 8711, 22261; ГОСТ Р 52319, 51522, 51317.3.2, 51317.3.3; manufactured to ТУ 4223-023-18461115-2008. Listed in the State Register of Measuring Instruments with type approval. Current through a circular coil magnetises fixed and movable cores; like poles repel and turn the pointer shaft. A metal screen protects against external magnetic fields.