适用于DAQ970A数据采集系统的Keysight DAQM901A模块是一款功能丰富的多路复用器，适用于通用扫描。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。
在同一模块上可混合提供⒉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的电流送至内置数字万用表，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。
主要特性与技术指标
-20通道多路复用器＋2个通道，提供专用电流测量
-2线和4线扫描
-300 V开关
- 80个通道/秒的扫描速度
-内置热电偶温度参考结点
The Keysight DAQM901A module for DAQ970A data acquisition system is a feature-rich multiplexer suitable for general scanning. It realizes the combination of high-density, multi-function switches and a scan rate of up to 60 channels/second, and is suitable for various data acquisition applications.
On the same module, ⒉line and 4-line channels can be mixed. Two additional inputs with fuses (22 channels in total) can send a maximum current of 1A to the built-in digital multimeter, and perform AC and DC current measurements without using external shunt resistors.
Main features and technical indicators
-20 channel multiplexer + 2 channels, providing dedicated current measurement
-2 and 4-line scanning
-300 V switch
-80 channels/sec scanning speed
-Built-in thermocouple temperature reference junction
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