BM818 Ammeter ACV/DCV ACA Auto Range Measurement of Large Capacitance NCV Digital Clamp Meter 1. automatic range measurementDCV:200m/2/20/200/600V,ACV:2/20/200/600V,ACA:2/20/200/600A,Resistance: 200 /2k/20k/200k/2M/20M Omega.Capacitance: 20n/200n/2u/20u/200u/2000uF2. can accurately measure the AC current of AC20mA to 600A3. the capacitance value below 2000uF can be accurately measured and the measuring speed is fast.4. use NCV induction head to judge phase line to accurately measure current.5. has the function of diode and short circuit beep alarm The 6. backlight is easy to read in weak light environment.7. can measure the maximum value of voltage and current8. has a readable retention function.9. there is a manual range function10. automatic shutdown function can be set up or not.