1PCS UNI-T UT622 pointer Ac millivoltmeter 100uV-300V 220V

UT622 dual-channel stereo AC voltmeter is essential measuring instrument, which uses two-channel input from a coaxial double pointer meter indication may indicate the value of each channel is shown, can also be indicative of the difference between the two channels , electrical performance testing and comparison of the most convenient stereo equipment, widely used in stereo tape recorders, stereo record players and other stereo test, but it also has a separate range switch can be made on behalf of two high sensitivity, stability and reliable transistor cents volt meter. This instrument is widely used in factories, schools, research institutes and other use in the production and scientific research.