BS EN 61557-13:2011 : Title: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures Hand-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems Pages: 26 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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