ORC( 2 00B) Loop Resistance Tester I. Product introduction ORC ( 2 00B) loop resistance tester is designed according to DL/T845.4-2004 standard, using high-frequency switching power supply technology and digital circuit technology. This instrument has accurate measurement and stable performance, and meets the requirements of on-site high-voltage switch maintenance of power and power supply departments and loop resistance testing of high-voltage switch factories. Ⅱ. Functional
