Electro Standards Laboratories' Model 4215 LVDT Smart Indicator
Model 4215-LVDT smart indicator communicates with up to 254 Model 4215-L units on a single serial communication bus. It is designed for the measurement and control of dual channel LVDT measurement fixtures. The indicator combines two LVDT channels, print capabilities and RS232/485 communication in one package. In addition to its standard configuration, the indicator is capable of mixed transducer interfacing, including LVDT, DC strain Extensometer and Quadrature encoder-based position measurement devices.