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Standards Development
This part of IEC 61326 specifies electromagnetic compatibility (EMC) immunity and emissions requirements for electrical equipment, operating from a supply or battery of less than 1 000 V AC or 1 500 V DC or from the circuit being measured. Equipment intended for professional, industrial-process, industrial-manufacturing and educational use is covered by this part. It includes equipment and computing devices for
– measurement and test
– control
– laboratory use
– accessories intended for use with the above (such as sample handling equipment), intended to be used in industrial and non-industrial locations.
Computing devices and assemblies and similar equipment within the scope of information technology equipment (ITE) and complying with applicable ITE EMC standards can be used in systems within the scope of IEC 61326, this part without additional testing, if they are suitable for the intended electromagnetic environment.
It is generally considered that this product family standard takes precedence over the corresponding generic EMC standards.
The following equipment is covered by this document.
a) Electrical measurement and test equipment
1) This is equipment which, by electrical means, measures, indicates or records one or more electrical or non-electrical quantities, also non-measuring equipment such as signal generators, measurement standards, power supplies and transducers.
b) Electrical control equipment
1) This is equipment which controls one or more output quantities to specific values, with each value determined by manual settings, by local or remote programming, or by one or more input variables. This includes industrial process measurement and control (IPMC) equipment, which consists of devices such as:
i) process controllers and regulators
ii) programmable controllers
iii) power supply units for equipment and systems (centralized or dedicated)
iv) analogue/digital indicators and recorders
v) process instrumentation
vi) transducers, positioners, intelligent actuators, etc.
c) Electrical laboratory equipment, including In Vitro Diagnostic (IVD) medical equipment
This is equipment used to prepare or analyse materials, or measure, indicate or monitor physical quantities. This equipment might also be used in areas other than laboratories.
d) Equipment a), b) or c) as above when being equipped with components providing radio communication functionality (equipment with radio functionality).
1) Equipment within the scope of this document might be operated in different electromagnetic environments. Depending on the electromagnetic environment different emission and immunity test requirements are applicable.
This document considers three types of electromagnetic environments:
– basic electromagnetic environment
– industrial electromagnetic environment
– controlled electromagnetic environment
Corresponding immunity test requirements are described in Clause 6.
In terms of emission requirements, equipment shall be classified in Class A equipment or Class B equipment, as per the requirements and procedure of CISPR 11:2024. The corresponding emission requirements are described in Clause 7.
The specified emission and immunity requirements aim at achieving electromagnetic compatibility between equipment covered in this document and other equipment that might operate at locations with electromagnetic environments considered in this document. Guidance for an assessment concerning the risk for achieving EMC is given in Annex B.
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