RS400 - 

Fluke now extends the 190 Series of portable oscilloscopes with two new four-channel models built for industrial plant maintenance professionals who work on:
Heavy-Duty electrical equipment, Electro-Mechanical Machinery and Plant Automation Control Systems
The 190 Series II are the first IEC61010, 1000 V CATIII/600 V CAT IV rated portable oscilloscopes designed to be safely used on industrial equipment that is permanently installed on the electrical distribution system. These handheld, battery-operated portable instruments offer sealed, dust-proof and drip-proof cases that are IP51 rated to withstand harsh working environments. New features will help customers take on the demands of troubleshooting today's electronic systems, and enhancements, like long battery life and USB communications, will improve usability and overall customer satisfaction.