--- product_id: 587845916 title: "MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance, Orange/Black" brand: "klein tools" price: "563.62 DT" currency: TND in_stock: true category: "Klein Tools" url: https://www.desertcart.tn/products/587845916-mm420-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc store_origin: TN region: Tunisia --- # 600V AC/DC voltage range 10A AC/DC current capacity Temperature measurement up to 1000°C MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance, Orange/Black **Brand:** klein tools **Price:** 563.62 DT **Availability:** ✅ In Stock ## Summary > ⚡ Master your measurements with Klein’s pro-grade MM420 Multimeter! ## Quick Answers - **What is this?** MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance, Orange/Black by klein tools - **How much does it cost?** 563.62 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/587845916-mm420-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc) ## Best For - klein tools enthusiasts ## Why This Product - Trusted klein tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built for the Pros:** Designed by electricians, for electricians—trusted durability and CAT III/IV safety ratings keep you protected on the job. - • **Compact Yet Mighty:** Lightweight and portable with a sleek orange/black design that fits perfectly in your toolkit or pocket. - • **Ready Out of the Box:** Complete kit includes carrying case, test leads with safety caps, thermocouple, and batteries—gear up instantly. - • **All-in-One Powerhouse:** Measures voltage, current, resistance, temperature, capacitance, frequency, duty cycle, and diode tests—your ultimate field companion. - • **Precision Meets Safety:** Auto-ranging TRMS tech ensures accurate readings every time with Lead-Alert LEDs for foolproof test lead placement. ## Overview The Klein Tools MM420 is a professional-grade auto-ranging TRMS digital multimeter designed for electricians and technicians. It measures up to 600V AC/DC voltage, 10A AC/DC current, 50 MΩ resistance, and temperature up to 1000°C. Featuring Lead-Alert safety LEDs, CAT III/IV safety ratings, and a comprehensive accessory kit, it delivers precision, safety, and versatility in a compact, durable design. ## Description 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. ## Features - COMPLETE PACKAGE: Includes carrying case, test leads with CAT III/CAT IV safety caps, thermocouple, instructions, and 2 x AAA batteries - 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B57PFFYX | | ASIN | B0B57PFFYX | | Batteries | 2 AAA batteries required. (included) | | Best Sellers Rank | #37,002 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #167 in Multi Testers | | Brand Name | KLEIN TOOLS | | Color | Orange/Black | | Compatible Devices | Test leads (included with the product) | | Customer Reviews | 4.7 4.7 out of 5 stars (703) | | Customer reviews | 4.7 4.7 out of 5 stars (703) | | Date First Available | 26 July 2022 | | Global Trade Identification Number | 00092644693748 | | Included Components | Digital Multimeter, TRMS Auto-Ranging, 600V, Temp | | Is Discontinued By Manufacturer | No | | Item Dimensions | 23.7 x 12.9 x 9.7 centimeters | | Item Length | 6.41 Inches | | Item Type Name | Building Material | | Item Weight | 0.11 Pounds | | Item Width | 1.78 Inches | | Item model number | MM420 | | Manufacturer | KLEIN TOOLS | | Manufacturer | KLEIN TOOLS | | Measurement Type | Multimeter | | Minimum Operating Voltage | 9 Volts | | Model | MM420 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | MM420 | | Power Source | Corded Electric | | Product Dimensions | 23.7 x 12.9 x 9.7 cm; 49.9 g | | Specification Met | Cat Iii 600v Safety Rating | | Style Name | w/Lead Alert | | UPC | 092644693748 | | Unit Count | 1 Count | | Upper Temperature Rating | 1000 Degrees Celsius | ## Product Details - **Brand:** KLEIN TOOLS - **Colour:** Orange/Black - **Item weight:** 0.11 Pounds - **Power source:** Corded Electric - **Style:** w/Lead Alert ## Images ![MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance, Orange/Black - Image 1](https://m.media-amazon.com/images/I/51hgJ2yCwqL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Klein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance - WERJIA Hard Carrying Case for Klein Tools MM420/MM325/MM720/MM700/ET600/MM450 Digital Multimeter - Klein Tools 69417 Rare-Earth Magnetic Hanger, with Strap --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/587845916-mm420-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc](https://www.desertcart.tn/products/587845916-mm420-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-18*