Overview
Versatile Manual-Ranging Multimeter for Accurate AC/DC Voltage, Battery, Resistance & Continuity Testing Ideal for Home & Industrial Use
The Klein Tools MM325 is a compact and reliable manual-ranging digital multimeter designed for professionals and DIYers. It accurately measures AC/DC voltage up to 600V, DC current up to 10A, and resistance up to 2MΩ, making it perfect for diagnosing electrical issues at home, in workshops, or on job sites. Built for real-world durability, it’s drop-tested up to 6.6 feet (2 meters) and features Lead-Alert LED indicators that enhance user safety by confirming correct test lead placement. With a backlit LCD screen for low-light visibility and a convenient kickstand and test lead storage, the MM325 is an essential tool for electricians, HVAC techs, and maintenance personnel.
Features
AC/DC Voltage: Measures up to 600 volts for accurate electrical readings
Continuity and Diode Test: Built-in for basic circuit and component diagnostics
Battery Test Function: Determine battery health and power retention
Lead-Alert System: LED indicators ensure proper test lead positioning
Backlit Display: Easy-to-read LCD for clear readings in dark environments
Ideal for
- Versatile Measurements: AC/DC voltage (600V), DC current (10A), resistance (2MΩ), continuity, and diode testing
- Battery Test Mode: Quickly verify the condition of common household and tool batteries
- Backlit LCD Screen: Enables visibility in dim workspaces
- Lead-Alert Safety System: Ensures leads are properly connected before testing
- Complete Kit: Includes test leads with safety caps, 2 AAA batteries, and user manual
- Drop-Resistant: Rugged casing tested to survive drops from up to 6.6 feet
- Hands-Free Option: Compatible with optional magnetic hanger (Cat. Nos. 69445 or 69417)









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