Extech MA445 True RMS 400A AC/DC Clamp Meter with NCV

This clamp meter provides accurate, true RMS measurements for a variety of electrical parameters with a compact, easy-to-use clamp on the jaw. It features a large backlit display and a built-in flashlight for visibility in dim environments. The device supports both AC and DC measurements across current, voltage, resistance, capacitance, frequency, and temperature, making it suitable for electrical diagnostics, testing, and troubleshooting. Its 1.2" (30 mm) clamp jaw accommodates conductors up to 500 MCM, and it includes a temperature probe for temperature readings. The meter offers non-contact voltage detection, data hold, max/min tracking, auto power-off, and a low battery indicator, along with a CAT III safety rating for up to 600 V. This versatile tool is designed for professionals needing reliable, true-RMS readings across multiple parameters.

Features

• True RMS measurements
• AC/DC current up to 400 A
• Voltage up to 600 V
• Temperature measurement with probe
• Non-contact voltage detection
• 1.2" (30 mm) jaw fits up to 500 MCM

Specifications

• True RMS for accurate readings
• Measures AC/DC current up to 400 A
• Voltage up to 600 V
• Measures resistance, capacitance, frequency, temperature
• Includes temperature probe
• Safety rating CAT III 600 V