The Stanford Research Systems SIM925 is an eight input channel, four-wire multiplexer capable of performing well in low-level signal situations. It features a kelvin-lead measurement backed-up by two sense leads with an optional buffering that can be switched out to form a simple relay-based, 4-pole/8-throw switch.The SIM925 has an advanced digital control circuitry design comprising a special clock-stopper where the microcontroller turns on when switch settings are being changed, assuring noise-free, low-level analog signals. Users also have the choice to enhance SIM925 by cascading multiple modules to allow unlimited networking possibilities. .斯坦福研究系统sim925是一个八入四线多复用器够在低信号的情况下。它具有一个开尔文测由两个意义上导一个可的缓冲可以切换成一个简单的基于中继四极/ 8-throw开关。sim925具有先的数字控制电的包括一个专用时塞在单片机时打开开关置改变保无噪声低模拟信号。用户也可以择级多个模块允无网络的可性提sim925。。The multiplexer settings may be changed using a remote interface or through the front panel. Furthermore, the SIM925 can operate remotely from the SIM mainframe by providing enough DC voltages.多复用器的置可以使用程接口或前板改变。此外可以程操作的sim925从SIM主机提供够的直流电压。