The Megger AVO830 True-RMS Digital Multimeter, 600VDC / 600VAC, 10A is designed for professional electricians, technicians, service personnel and engineers that require high reliability, build quality and performance in a compact, tough, weatherproof case. It is a True RMS multimeter with a 600 V AC and DC voltage measurement range and current measurement from 0.1 mA to 10 A.