Service Tools

1.automode, auto range/manual range 2.True- RMS 3.550Vhigh voltage protection (EXCEPT current mode) 4.REL 5.9999 counts 6.back light + anti-broken bracket 7.data hold+ auto power off 8.NCV 9.frequency/duty cycle 10.10A current testing/uA testing 11.21functions（Modes）