Extech MA445 400A True RMS AC/DC Clamp Meter with NCV Detector, 1.2" Jaw Opening, Backlit Dual Display, 40,000 Count Multimeter, Inrush Current, Frequency, Duty Cycle, Diode & Continuity Tester

400A True RMS Accuracy - Reliably measure AC and DC current up to 400 amps with True RMS precision, giving professionals dependable results even in noisy electrical environments.
Non-Contact Voltage Detection - Quickly identify live wires with the built-in NCV detector, offering an added layer of safety when working in panels, outlets, or industrial systems.
Backlit Dual Display - Large 40,000-count display with bright backlight shows both primary and secondary readings, making data easy to read even in dimly lit job sites.
Versatile Test Functions - Includes inrush current capture, frequency, duty cycle, diode, and continuity testing, giving you a complete multimeter in a convenient clamp design.
Durable & Professional Design - Compact body with 1.2-inch jaw opening accommodates thick conductors, while rugged construction ensures reliability in demanding field conditions.