SXJS-IV Capacitance Dissipation Factor Tester for export is independently developed and manufactured by Sansion Electric Power Company. The product is advanced in technology and reliable in performance. All of them have used product safety certification, and have established a good reputation in the domestic and foreign power monitoring industry. SXJS-iv is a new generation, fully automatic measure dielectric loss(tgδ)and the capacitance (Cx) of electric equipment. It's suitable for testing on transformer, insulating bush, capacitor, CT/PT, MOA and etc. If you need more information .please kindly contact :sansionpower@hotmail.com