--- product_id: 495852064 title: "Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420" brand: "klein tools" price: "KSh33291" currency: KES in_stock: true category: "Klein Tools" url: https://www.desertcart.co.ke/products/495852064-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc-voltage store_origin: KE region: Kenya --- # 600V AC/DC voltage range 50MΩ resistance measurement Temperature sensing up to 1000°C Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420 **Brand:** klein tools **Price:** KSh33291 **Availability:** ✅ In Stock ## Summary > ⚙️ Master your measurements with Klein’s powerhouse multimeter—don’t get left in the dark! ## Quick Answers - **What is this?** Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420 by klein tools - **How much does it cost?** KSh33291 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/495852064-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc-voltage) ## 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 Field:** Rugged design withstands 6.6-foot drops—ready for any job site challenge. - • **Hands-Free Convenience:** Integrated test lead holders, kickstand, and optional magnetic hanger for multitasking pros. - • **Precision Meets Safety:** True RMS and Lead-Alert LEDs ensure accurate, safe readings every time. - • **Visibility in Any Light:** Backlit LCD display keeps your data crystal clear, even in dim conditions. - • **All-in-One Diagnostic Powerhouse:** Measures voltage, current, resistance, temperature, capacitance, frequency, and more. ## Overview The Klein Tools MM420 is a professional-grade, auto-ranging TRMS digital multimeter designed for precise measurement of AC/DC voltage up to 600V, current up to 10A, resistance up to 50MΩ, and temperature up to 1000°C. Featuring Lead-Alert safety LEDs, a rugged drop-resistant build, and a backlit display, it’s engineered for reliability and ease of use in residential, commercial, HVAC, and light industrial environments. ## Description Product 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 Safety Warning Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged. ## 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 - 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B57PFFYX | | Best Sellers Rank | 80,396 in DIY & Tools ( See Top 100 in DIY & Tools ) 127 in Multi Testers | | Brand | KLEIN TOOLS | | Colour | Orange/Black | | Compatible Devices | Test leads (included with the product) | | Country Of Origin | USA | | Customer Reviews | 4.7 4.7 out of 5 stars (758) | | Global Trade Identification Number | 00092644693748 | | Included Components | Digital Multimeter, TRMS Auto-Ranging, 600V, Temp | | Item Dimensions | 23.7 x 12.9 x 9.7 centimetres | | Item Type Name | Digital Multimeter, TRMS Auto-Ranging, 600V, Temp | | Item Weight | 0.91 Pounds | | Manufacturer | Klein Tools | | Manufacturer Part Number | MM420 | | Maximum Alternating Current | 10 Amps | | Measurement Type | Multimeter | | Minimum Operating Voltage | 9 Volts | | Model Number | MM420 | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Battery Powered | | Product Warranty | 1 year manufacturer | | Specification Met | Cat Iii 600v Safety Rating | | Style Name | w/Lead Alert | | UPC | 092644693748 | | Unit Count | 1.0 count | | Upper Temperature Rating | 1000 Degrees Celsius | ## Product Details - **Brand:** KLEIN TOOLS - **Colour:** Orange/Black - **Item weight:** 0.91 Pounds - **Power source:** Battery Powered - **Style:** w/Lead Alert ## Images ![Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420 - Image 1](https://m.media-amazon.com/images/I/41-uqEghL0L.jpg) ![Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420 - Image 2](https://m.media-amazon.com/images/I/515tZfIxsYL.jpg) ![Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420 - Image 3](https://m.media-amazon.com/images/I/41l+MVRs75L.jpg) ![Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420 - Image 4](https://m.media-amazon.com/images/I/41fTStkvXIL.jpg) ![Digital Multimeter | Auto-Ranging TRMS Multimeter | 600V AC DC Voltage | KLEIN TOOLS | Model MM420 - Image 5](https://m.media-amazon.com/images/I/51jcLYOVrhL.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.co.ke/products/495852064-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc-voltage](https://www.desertcart.co.ke/products/495852064-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc-voltage) --- *Product available on Desertcart Kenya* *Store origin: KE* *Last updated: 2026-10-30*