29

产品型号：29 产品名称：29 产品分类：Voltage & Frequency Monitors 品牌：Time Mark Corporation（美国时间标记公司） 产品简介：Model 29 Frequency Monitor has a display that shows the frequency with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds. This unit has a user selectable relay option for High-Low or DPDT. It can also be user-selected to energize on fault or de-energize on fault. The user can select automatic or manual restart on the Model 29. The SG version of the Model 29 has silver with gold flash contacts for low current applications Model 29 Frequency Monitor can be restored to factory defaults. 技术参数：Certifications: UL (C and US); Contacts: SPDT(2); Mount: DIN, Surface Mount; VF Function: Frequency Monitor; Voltage Range: 80-550VAC 应用领域：适用于电源质量监测、过压欠压保护、频率监测、发电机控制、UPS系统等电力质量监测场景 产品特点：美国原装进口，品质可靠；DIN导轨安装，方便集成；LED状态指示，直观易读；宽电压范围，适应性强；工业级设计，经久耐用