Orange and black multimeter
Orange and black digital multimeter with a white background
Orange multimeter with red and black probes on a white background
Yellow electronic component with a cable on a white background
Klein Tools multimeter with branding and specifications on a white background
Orange electrical tester with labeled features and Klein Tools branding.
Klein Tools digital multimeter with lead alert protection feature on a white background
Multimeter being used on electrical panel with text about TRMS technology and Klein Tools branding.
Person wearing a hard hat and blue gloves working on electrical panel with multimeter
Person wearing a hard hat and gloves working on electrical equipment with a multimeter.
Person holding an orange and black multimeter device in front of a control panel.
Orange and black multimeter
Orange and black digital multimeter with a white background
Orange multimeter with red and black probes on a white background
Yellow electronic component with a cable on a white background
Klein Tools multimeter with branding and specifications on a white background
Orange electrical tester with labeled features and Klein Tools branding.
Klein Tools digital multimeter with lead alert protection feature on a white background
Multimeter being used on electrical panel with text about TRMS technology and Klein Tools branding.
Person wearing a hard hat and blue gloves working on electrical panel with multimeter
Person wearing a hard hat and gloves working on electrical equipment with a multimeter.
Person holding an orange and black multimeter device in front of a control panel.
Klein Tools
MFR #MM420
UPC #92644693748

Klein Tools Auto-Ranging Digital Multimeter (600V), Model MM420

$74.99
Shipping within Ontario only. Rates calculated at checkout.

Pickup available at IES - Mississauga

Usually ready in 4 hours

Shipping & Pickup Information

ONTARIO
Ontario-wide Delivery

In-stock items typically ship next business day.

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Free Warehouse Pickup

Free pickup from our local warehouses in Mississauga & Scarborough. Usually ready within 1 business day.

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Orange and black multimeter
Klein Tools Auto-Ranging Digital Multimeter (600V), Model MM420
$74.99

The Klein Tools MM420 is a TRMS auto-ranging digital multimeter built for professional electricians tackling voltage, current, resistance, and temperature diagnostics on the job site. Its Lead Alert protection and backlit 4000-count LCD display keep you accurate and safe in demanding environments. The CAT III 600V safety rating and 2 m drop protection make it a dependable choice for residential, commercial, and light-industrial work.

Specifications

Type Digital Multimeter
Application Testing and Measuring Voltage, Current, and Resistance
Functions 600V AC/DC Voltage, 10A AC/DC Current, 50 MΩ Resistance, Temperature, Capacitance, Frequency, Duty-Cycle, Diode Test, Continuity
Voltage 600V AC/DC
Current 10A AC/DC
Resistance 50 MΩ
Capacitance 400 µF
Frequency 1 Hz – 50 kHz
Temperature Range -40° to 1000°C (-40° to 1832°F)
Display 4000 Count LCD with Backlight
Special Features Lead Alert, Auto-Range, Min/Max, Auto Power-Off, Data Hold
Safety Rating CAT III 600V; CE and UKCA Certified
Drop Protection 2 m (6.6 ft)
Batteries 2 x AAA (Included)
Colour Orange/Black
Dimensions (L × W × H) 16.3 × 8 × 4.5 cm (6.41 × 3.16 × 1.78 in)
Weight 232 g (8.2 oz)
Included Multimeter, Test Leads with CAT III/CAT IV Safety Caps, Thermocouple, 2 x AAA Batteries, Instructions