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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Tests — Test Ea and guidance: NOTE Meters are generally used in locations where levels of vibration and shock are of low significance. Slight damage, which does not impair the protection against indirect contact or the penetration of solid objects, dust and water is acceptable. Electromechanical meters for active energy class indexes A and B Electricity metering equipment a.
During this test no flashover, disruptive discharge or puncture shall occur. A single electronic display may be used with multiple electronic memories to form multiple electronic registers. Outdoor meters shall withstand solar radiation. Terminals of one current circuit are considered to be at the same potential.
EN – Electricity metering equipment (a.c.) — Part 1: General req –
The construction of meters shall be such as to minimize the risks of short-circuiting of the insulation between live parts and accessible conductive parts due to accidental loosening 50470-11 unscrewing of the wiring, screws, etc. Metering equipment class indexes A, B and C Status: Find Similar Items This product falls into the following categories. General requirements, tests and test conditions – Metering equipment class indexes A, B and Eb Electricity metering equipment a.
An insulation test according to 7.
EN – European Standards
Particular requirements – Static payment meters for active energy classes 1 and 2. Tests — Test Db and guidance: During the test the behaviour of the equipment shall not be perturbed and the additional percentage error shall not exceed the critical change values specified in the relevant standards. Dr — — — meter in operating condition: Inductive voltage transformers IEC For polyphase meters, this diagram shall also show the phase sequence for which the meter is intended.
General requirements, tests and test conditions – Metering equipment class indexes A, B and C.
If contact discharge is 504770-1 applicable because no metallic parts are outside, then apply air discharge with a 15 kV test voltage. NOTE The type is represented by the sample meter s intended for the type tests, whose characteristics reference current and reference voltage are chosen from the values given in the tables proposed by the manufacturer.
Your basket is empty. It comprises one or more magnets and their adjusting devices [IEC3. Compliance with this standard provides one means 504770-1 conformity 5470-1 the specified essential requirements of the Directive concerned.
The application of the surge immunity test voltage shall not produce a change in the register more than x units and the test output shall not produce a signal equivalent to more than x units.
Plastic and ebonite ISO Dr If the instrument transformers are taken into account in the meter constant, the transformer ratio s shall be marked. Thus, when the voltage and the current circuits of a measuring element are connected together in normal use the em shall 5047-01 made on the whole.
The meter shall withstand the impulse voltage test and the a. Dr — — — — — — variant 1; upper temperature: Please download Chrome or Firefox or view our browser tips.
BS EN 50470-1:2006
Any ingress of dust shall be only in a quantity not impairing the operation of the meter. See also Figure B.
When the meter is panel-mounted, no access to the terminals shall be possible without breaking the seal s of the terminal cover s.
If the test output is an optical test output then it shall fulfil the requirements according to 5. Particular requirements — Electromechanical meters for active energy class indexes A and B and EN