Megger AVO 850 MultimeterAVO850 CAT III CAT IV BT TRMS Multimeter The AVO850 high accuracy CAT IV 600 V CAT III 1000 V multimeter with advanced features such as datalogging, graphing, Bluetooth, AC + DC and LoZ. The AVO850 True RMS multimeter electronic, electricians, technicians, engineers, and service personnel. Bluetooth connectivity and app support for Android or iOS devices allow real time result sharing. Use the smart app to remote track readings from a safe distance or