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用于 34970A/34972A 数据采集/开关单元的 Keysight 34901A 模块是一款通用性极强的多路复用器,适用于一般扫描。它实现了高密度、多功能开关与高达 60 通道/秒扫描速率的结合,适用于各类数据采集应用。
在同一模块上可混用 2 线和 4 线通道。2 个带熔丝的附加输入(总共 22 个通道)可把最大 1A 的电流送至内部数字万用表,可以在不使用外部分流电阻器的情况下进行交流和直流电流测量。
标准产品包括:
34970A
特性
Keysight 34970A 数据采集/数据记录仪开关单元由一个 3 插槽主机和一个内置的 6 1/2 位数字万用表组成。每个通道可以单独配置,以测量 11 种不同功能之一,这样既不会增加成本,也不必使用复杂的信号调理附件。您可用 8 种可选插入模块建造紧凑的数据记录仪,全功能数据采集系统或低成本的开关单元。模块上的螺钉连接可不需要终端接线盒,独特的继电器维护功能记录每个开关的闭合次数,从而实现容易和可预期的继电器维护。最流行的 34901A 模块具有内置的热电偶参考和 20 个 2 线通道。
The Keysight 34901A module for the 34970A/34972A data acquisition/switch unit is a highly versatile multiplexer suitable for general scanning. It realizes the combination of high-density, multi-function switches and up to 60 channels/second scanning rate, suitable for various data acquisition applications.
2-wire and 4-wire channels can be mixed on the same module. 2 additional inputs with fuses (22 channels in total) can send a maximum current of 1A to the internal digital multimeter, allowing AC and DC current measurements without using external shunt resistors.
Standard products include:
characteristic
The Keysight 34970A data acquisition/data logger switch unit consists of a 3-slot host and a built-in 6 1/2-digit digital multimeter. Each channel can be individually configured to measure one of 11 different functions, so that it does not increase the cost, nor does it require the use of complex signal conditioning accessories. You can build compact data loggers, full-featured data acquisition systems or low-cost switch units with 8 optional plug-in modules. The screw connection on the module does not require a terminal junction box, and the unique relay maintenance function records the number of times each switch is closed, thereby achieving easy and predictable relay maintenance. The most popular 34901A module has a built-in thermocouple reference and 20 2-wire channels.
Plug-in module product comparison
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