适用于 DAQ970A 数据采集系统的 Keysight DAQM900A 模块是一款速度超快的通用开关和扫描多路复用器。该模块实现了高密度、多功能开关与高达 450 通道/秒扫描速率的结合，适用于高速和高吞吐量数据采集应用。
在同一模块上可混合提供 2 线和 4 线通道。能够测量交流/直流电压、频率/周期、2/4 线电阻、以及用热电耦和热敏电阻传感器测量温度。
The Keysight DAQM900A module for DAQ970A data acquisition system is an ultra-fast universal switch and scan multiplexer. This module realizes the combination of high-density, multi-function switch and scan rate up to 450 channels/sec, suitable for high-speed and high-throughput data acquisition applications.
Two-wire and four-wire channels can be mixed on the same module. It can measure AC/DC voltage, frequency/period, 2/4 wire resistance, and temperature measurement with thermocouple and thermistor sensors.
Main features and technical indicators
20 channel solid state multiplexer
2-line and 4-line scanning
120 V switch
450 channels/sec scanning
Built-in thermocouple temperature reference junction
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