Klein Tools MM450 600V AC/DC Digital TRMS Slim Multimeter is a compact and professional digital multimeter developed for electrical maintenance, troubleshooting, field measurement, panel inspection, and HVAC service applications. With auto-ranging True RMS measurement technology, it provides more accurate and reliable readings across different electrical loads. The device measures 600V AC/DC voltage, 10A AC/DC current, 50MΩ resistance, temperature, capacitance, frequency, duty cycle, diode test, and continuity. Its high-visibility reverse-contrast display with automatic backlight adjustment improves readability in dark or bright ambient conditions. Lead Alert protection helps ensure the test leads are inserted into the correct input terminals for safer operation. Thanks to its slim and compact body, it is easy to carry and practical to use in field work. With CAT III 600V safety rating, CE and UKCA compliance, durable housing, and Klein Tools quality, the MM450 is a reliable, portable, and versatile measurement solution for electricians, maintenance technicians, HVAC users, and field personnel.
Product Features
- Auto-ranging multimeter with True Root Mean Square (TRMS) technology for improved accuracy.
- Measures 600V AC/DC voltage, 10A AC/DC current, 50 MΩ resistance, continuity, temperature, capacitance, frequency, duty cycle, and diode tests.
- High-visibility reverse-contrast display with automatic backlight adjustment.
- Lead Alert protection with LED indication for proper test lead placement.
- Slim profile allows the multimeter to fit comfortably into most pockets.
- Low battery indicator and easily accessible battery and fuse compartment.
- Built to withstand drops from 2 meters.
- Includes carrying case, safety-rated CAT III 1000V / CAT IV 600V test leads, thermocouple with adapter, and 2 AAA batteries.
- CAT III 600V safety rating.
- Designed for use in basic and controlled electromagnetic environments such as residential, workplace, and light industrial locations.