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NEK IEC 61010-2-033:2023

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Abstract

IEC 61010-2-033:2023 specifies safety requirements for hand-held multimeters and other meters for domestic and professional use, capable of measuring mains. Hand-held multimeters are multi-range multifunction measuring instruments intended to measure voltage and other electrical quantities such as resistance or current. Their primary purpose is to measure voltage on a live mains. They are suitable to be supported by one hand during normal use. This third edition cancels and replaces the second edition published in 2019. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:a) Clause 2, all normative references have been dated and new normative references have been added;b) 4.4.2.101 is a new subclause about surge protective devices;c) Subclause 6.6.101 modifies 6.6.101 and 6.6.102 of previous edition:1) in 6.6.101.1, insulating material of group I may be allowed for determination of creepage distances of measuring circuit terminals;2) in 6.6.101.2, Clearances and creepage distances up to 3 000 V for measuring circuit terminals in unmated position have been defined;3) in 6.6.101.3, requirements for measuring circuit terminals in partially mated position have been specified;4) in 6.6.101.4, requirements for measuring circuit terminals in mated position have been specified;5) Subclause 6.6.101.5 replaces 6.6.102;d) Subclause 6.101 replaces 6.9.101 of the previous edition with modifications;e) 9.101 is a new subclause to consider the protection of measuring circuits against the spread of fire and arc flash;f) in 9.101.2, relocation of 101.3 of previous edition;g) in 9.101.3, relocation of 101.4 of previous edition;h) in 101.3, relocation of Clause 102 of previous edition;i) in K.2.1, another method for determination of clearances of secondary circuits is proposed;j) in K.3.2, new Table K.15 and Table K.16 for clearance calculation;k) Clause K.4 of the previous edition has been deleted;l) Subclause K.101.4 has been reviewed;m) Table K.104 of the previous edition has been deleted;n) Annex AA: Figure AA.1 has been redesigned;o) Annex EE: addition of a new informative annex for determination of clearances for the purposes of Table 101.

Document information

  • Standard from NEK
  • Published:
  • Edition: 3.0
  • Version: 1
  • Document type: NAT
  • ICS 19.080
  • ICS 71.040.10
  • National Committee NEK/NK66

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