Keysight DAQM903A 是适用于 DAQ970A 数据采集系统的通用开关模块。它拥有 20 个独立的单刀双掷（SPDT）继电器，并可用于接通和断开被测产品的电源，控制指示器和状态灯，以及启动外部功率继电器和螺线管。它与矩阵和多路复用器模块相组合，可以构成定制的开关系统。其 300 V、1 A 的触点可承受高达 50 W 的功率，这对于许多电源线开关应用来说是足够的。
主要特性
20 通道执行器/通用开关
SPDT（C 型）自锁继电器
300 V，1 A 激励和控制
Keysight DAQM903A is a universal switch module suitable for DAQ970A data acquisition system. It has 20 independent single pole double throw (SPDT) relays, which can be used to turn on and off the power of the product under test, control indicators and status lights, and activate external power relays and solenoids. It can be combined with matrix and multiplexer modules to form a customized switching system. Its 300 V, 1 A contacts can withstand up to 50 W of power, which is sufficient for many power cord switching applications.
Main features
20-channel actuator/universal switch
SPDT (C type) self-locking relay
300 V, 1 A excitation and control
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