你知道摄像机红外灯的寿数通常是多久吗?本文小编就为大家先容。 You know life is usually long infrared camera? This article introduces us. 正常的红外灯,达规范的是二万小时以上;通常可达一万小时;按一天十个小时计算,大约三年左右;可是摄像机红外灯的
专业的防雷商品厂家或工程商在对监控体系装置防雷设备时会遇到以下几个疑问: Professional manufacturers or manufacturers of lightning protection equipment in the monitoring system will encounter the following questions: 一、接地电阻太大或无接
权衡特征和技能条件的优缺点是显现器挑选过程中的第一步,并且,用于工业设备中显现器的运用与一般面向消费类的商品不同。在挑选时应该考虑以下七点根本要素。 Weighing the advantages and disadvantages of features and skills is the first step in the