Multifunction DC Voltage Calibrator For Intelligent Input Substation Analog Input Unit

Multifunction DC Voltage Calibrator For Intelligent Input Substation Analog Input Unit 1. Main features The XL-201 AC/DC transient standard source is suitable for the standard source of transient test for the intelligent input substation (digital substation) analog input unit. The transient source can be output in line with the national grid enterprise standard: Q/GDW 11015-2013 The transient test waveform signal required by the Analog Input Combining Unit Detection