XIHARI has advanced metrological standard instruments, including 1600kV Standard Capacitors, 1000kV Standard Voltage Transformers, 1200kV Standard Impulse Voltage Test System, 10kA Sets of High Current Ratio Standards at Power Frequency, 350kA Standard Shunts at Power Frequency short-time Current, 10kA Sets of Current Ratio Standards at DC, 250kA Standard Shunts at Impulse Current, Voltage and Current Standard Source, LCR Three Parameters Standard Equipment, etc.