Klein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance
- VERSATILE FUNCTIONALITY: Measures AC/DC voltage up to 600V, 10A AC/DC current, 50MΩ resistance; additional features include continuity, temperature, capacitance, frequency/duty cycle and diode test
- LEAD-ALERT PROTECTION: LEDs on the meter illuminate to indicate proper test lead placement, enhancing accuracy and safety during measurements
- BACKLIT DISPLAY: LCD shows clear readings in low-light conditions for enhanced visibility
- ACCURATE MEASUREMENTS: Auto-ranging and True Root Mean Squared (TRMS) technology provides precise and accurate measurements
- CONVENIENT FEATURES: Test lead holders on the back of the meter, kickstand and optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation
- DURABLE CONSTRUCTION: Built to withstand a 6.6-Foot (2 m) drop, ideal for use in basic and controlled electromagnetic environments such as residential, business, HVAC and light-industrial locations
- COMPLETE PACKAGE: Includes test leads with CAT III/CAT IV safety caps, thermocouple, instructions, and 2 x AAA batteries
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AUD |
BRSRMZ36CMHREADV |
Category |
Electrical , Testers , Multi Testers |
Tags |
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Select a product to estimate shipping.Klein Tools MM420 Multimeter is an auto-ranging, true root mean square (TRMS) multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, and test diodes and continuity. Klein Tools' Test and Measurement product line was exclusively designed from the ground up by electricians for electricians. Years of field research, combined with extensive input from electricians across America, inspired the development of meters and electrical testers loaded with innovative, time-saving features.
About Klein Tools
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.
Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance
Klein Tools MM420 Multimeter is an auto-ranging, true root mean square (TRMS) multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, and test diodes and continuity. Klein Tools' Test and Measurement product line was exclusively designed from the ground up by electricians for electricians
Multimeter with automatic ranging true root mean square (TRMS) technology for increased accuracy
Measures up to 600V AC/DC voltage, 10A AC/DC current and 50 MOhms resistance, continuity, temperature, capacitance, frequency, duty-cycle, and test diodes
Lead Alert protection with LED illumination for lead placement and an easy-to-view backlit display
Low battery indicator and easily accessible battery and fuse compartment
Durable meter built to withstand a 6.6-Foot (2 m) drop
Includes test leads, thermocouple with adapter, batteries and user manual
CAT III 600V safety rating
For use in basic and controlled electromagnetic environments such as residential, business and light-industrial locations
FEATURES
Ensures improved accuracy using automatic ranging TRMS technology
Meter measures up to 600V AC/DC voltage and 10A AC/DC current
Lead Alert protection with LED's for test lead placement
Product details






| Main Specification | |
|---|---|
| Included Components | Digital Multimeter or Auto-Ranging or 600V |
| Manufacturer | Klein Tools |
| Unit Count | 1 Count |
| Specification Met | Cat Iii 600v Safety Rating |
| Brand | Klein Tools |
| UPC | 092644693748 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Compatible Devices | Test leads (included with the product) |
| Upper Temperature Rating | 60 °C |
| Colour | Orange/Black |
| Style | Auto-Ranging |
| Global Trade Identification Number | 00092644693748 |
| Item Weight | 14.56 Ounces |
| Technical Details | |
| Part Number | MM420 |
| Model | MM420 |
| Measurement Type | Multimeter |
| Item details | |
| Item Type Name | Building Material |
| Style | |
| Style Name | Auto-Ranging |
| Measurements | |
| Item Dimensions | 9.33 x 5.08 x 3.82 inches |
| Others | |
| Product Type | Building Material |
| Minimum Operating Voltage | 9 Volts |
Shipping & Delivery
At GofinchKart Australia, we aim to deliver your order quickly and safely.
Domestic Shipping (Australia):
Orders are typically delivered within 3–7 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
Once your order has been dispatched, you will receive a tracking number. Delivery times may vary during public holidays or due to unforeseen delays.
















