... Excellent quality CE Free Sample VC480C+ 3 1/2 Digital solder resistance tester 1. VC480C+ digital micro ohm meter with ... 2. 4 wire testing, capable of testing extreme low resistance3. Accurate measurement of conductor, electric heating elements, solder point, PCB line ... 6 ranges5. HOLD key for data hold6. Backlit LCD for easy reading under dark light7. Connection for external power supply8. Strong ...