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Live working -- Voltage Detectors -- Part 3: Two-Pole Low-Voltage Type (CAN/ULC 61243-3) 带电作业电压检测器第3部分:两极低压型(CAN/ULC 61243-3)
发布日期: 2012-08-10
本加拿大国家标准适用于手持式两极电压检测器及其附件(鳄鱼夹和可拆卸导线),用于与交流电压不超过1000 V的电气系统部件接触,标称频率在16 2/3 Hz至500 Hz之间,和/或对于不超过1500 V的直流电压,本标准不包括接触电极延伸。本标准涵盖的电压检测器适用于室内和室外的干燥和潮湿条件。不得在雨天使用。本标准涵盖的电压检测器不适用于连续运行。本标准涵盖的电压检测器拟用于海拔2000米以下的地方。本标准还包括以下补充功能的规定(如果可用): -相位指示;-旋转磁场指示;-和连续性检查。本标准不包括其他补充功能。本标准涵盖的电压检测器不被视为测量设备。IEC 61010系列中包含了测量设备的相关安全要求。”
This National Standard of Canada is applicable to hand-held two-pole voltage detectors with their accessories (crocodile clips and detachable leads) to be used in contact with parts of electrical systems for a.c. voltages not exceeding 1 000 V at nominal frequencies between 16 2/3 Hz and up to 500 Hz, and/or for d.c. voltages not exceeding 1 500 V. Contact electrode extensions are not covered by this standard. Voltage detectors covered by this standard are intended to be used under dry and humid conditions, both indoor and outdoor. They are not intended to be used under rain conditions. Voltage detectors covered by this standard are not intended to be used for continuous operation. Voltage detectors covered by this standard are intended to be used up to 2 000 m above sea level. This standard also includes provisions for the following supplementary functions when available:- phase indication;- rotating field indication;- and continuity check.Other supplementary functions are not covered by this standard. Voltage detectors covered by this standard are not considered as measuring devices. Relevant safety requirements for measuring devices are included in IEC 61010 series"
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发布单位或类别: 美国-美国保险商实验所
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