# Klein Tools 600 Volt Digital Multimeter, TRMS Auto-Ranging, Temp

**Brand:** [Klein Tools](https://shop.coreranger.com/brands/Klein%20Tools)
**Model #:** MM420
**SKU:** HD-320822810
**Price:** $69.97 · in stock
**URL:** https://shop.coreranger.com/product/klein-tools-600-volt-digital-multimeter-trms-auto-ranging-temp-320822810

## Specifications

| Spec | Value |
|---|---|
| Range | Auto Ranging |
| Features | Backlit,Data Logging,Interchangeable Leads |
| Included | Batteries,Test Leads |
| Returnable | 90-Day |
| Power Source | Battery Operated |
| Category Rating | III |
| Functions Measured | Amperage,Battery,Capacitance,Continuity,Diodes,Frequency,Polarity,Resistance,Voltage |
| Maximum AC Voltage | 600 |
| Maximum DC Voltage | 600 |
| Number of Functions | 11 |
| Product Depth (in.) | 1.78 in |
| Product Width (in.) | 3.16 in |
| Accuracy Measurement | True-RMS |
| Manufacturer Warranty | Please refer to the attached warranty document in the Product Overview section above under Info & Guides |
| Maximum AC Current (A) | 10 |
| Maximum Frequency (MHz) | 0.05 |
| Maximum Resistance (ohms) | 40M |
| Certifications and Listings | CSA Certified |

## 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.

• 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
