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instrument transformer transformer instrument service equipment uhv ac scopethis standard basin digital mobile terminal acoustic test specification
DL/T 668-1999 in English

DL/T 668-1999 in English

ABOLISHED

Instrument transformer testing equipment for measuring service

  • Issued on:1999-08-02
  • Implemented on:1999-10-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $300.00
$291.00

本标准规定了测量用互感器检验装置的分类、技术要求、试验方法、检验规则与抽样、标志、包装等。
本标准适用于额定工作频率为50Hz,用于检验0.05、0.1、0.2 (0.2S)和0.5 (0.5S)级测量用的单相与三相电压互感器(额定电压为0.1/ 根号3~220kv)和电流互感器(额定电流为0.1~2500A)的检验装置的型式试验、出厂试验和验收试验。


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