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EN 50470-1 PDF

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Buy DIN EN () Electricity Metering Equipment (a.c.) – Part 1: General Requirements, Tests And Test Conditions – Metering Equipment (class. BS EN Electricity metering equipment (a.c.). General requirements, tests and test conditions. Metering equipment (class indexes. Find the most up-to-date version of CEI EN at Engineering

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After the test, the meter shall show no damage and shall comply with the dielectric strength tests of 7. It does not 500470-1 to: Unless otherwise specified, the normal conditions for insulation tests are: The mechanical strength of the meter shall be tested with the following tests.

The cover shall not be removable without the use of a tool. During the test, the quality of 5040-1 insulation shall not be impaired by dust or abnormal humidity. Accept and continue Learn more about the cookies we use and how to change your settings.

It is advisable to choose the next number immediately above or below in order to have whole numbers of turns. The result is judged visually. General requirements, tests and test conditions – Metering equipment class indexes A, B and C – This European Standard applies to newly manufactured watt-hour meters, measuring active electrical energy, intended for residential, commercial and light industrial use, for use on 50 Hz electrical networks. Where the terminal cover makes it possible, the conductive foil shall approach the terminals and the holes for the conductors within a distance of not more than 2 cm.

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Electromagnetic disturbances of long duration shall not cause an additional percentage error more than the critical change values specified in the relevant particular requirements standards. Please download Chrome or Firefox or view our browser tips.

Screw connections transmitting contact force and screw fixings, which may be loosened and tightened several times during the life of the meter shall screw into a metal nut.

EN – European Standards

Electricity metering equipment – Dependability – Part The terminals, the conductor fixing screws or the external 50470- internal conductors shall not be liable to come into contact with metal terminal covers.

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Messeinrichtungen Genauigkeitsklassen A, B und C. Tests enn Test Ea and guidance: Tests — Tests A: Please insert your email, we will inform immediately after publishing this standard include — discount code. Testing and measurement techniques — Immunity to conducted disturbances, induced by radio-frequency fields Electricity metering equipment a.

General 5047-1 relating to electrical measurements — Part In the case of modifications to the meter made after the type test and affecting only part of the meter, it will be sufficient to perform limited tests on the characteristics that may be affected by the modifications.

EN – Electricity metering equipment (a.c.) — Part 1: General req –

Thus, when the voltage and the current circuits of a measuring element are connected together in normal use the test shall be made on the whole. The appearance and, in particular, the legibility of markings shall not be altered.

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Classification of groups of environmental parameters and their severities — Section 2: For examples of test set-up see Figure D. Tests — Test Ka: NOTE 2 A voltage dip is a two-dimensional electromagnetic disturbance, the level of which is determined by both voltage and time duration. Prescriptions generales, essais et conditions d’essai. Where there is a difference between the definitions in this glossary and those contained in product standards produced by TC 13, then the latter shall take precedence in applications of the relevant standard.

The marking shall be indelible, non-transferable, distinct and legible from outside the meter. Electricity metering – Data exchange for meter reading, tariff and load control – Part Testing and measurement techniques — Oscillatory waves immunity test IEC Every meter shall bear the following information as applicable: NOTE 2 Values higher than 4 h should be subject of purchase contract.

BS EN 50470-1:2006

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