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⚡ Master your measurements with Klein’s pro-grade precision!
The Klein Tools MM420 is a professional-grade, auto-ranging TRMS digital multimeter designed for accurate measurement of AC/DC voltage up to 600V, current up to 10A, and resistance up to 50 MΩ. It features advanced safety with Lead-Alert LEDs, a backlit display for low-light conditions, and durable construction that withstands 2-meter drops. Ideal for HVAC, residential, and light industrial use, it offers versatile functions including temperature, capacitance, frequency, and diode testing, all packed in a rugged, portable design.
| ASIN | B0B57PFFYX |
| Best Sellers Rank | 64,740 in DIY & Tools ( See Top 100 in DIY & Tools ) 130 in Multi Testers |
| Brand | KLEIN TOOLS |
| Colour | Orange/Black |
| Country Of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (760) |
| 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 |
| Manufacturer | Klein Tools |
| Measurement Type | Multimeter |
| Minimum Operating Voltage | 9 Volts |
| Model Number | MM420 |
| Power Source | Battery Powered |
| 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 |
V**1
Does not come with carry case
Multimeter is good and so are its functions. However it does not come with a carry case as stated. False advertising
H**V
Inadequate
Bought for my husband. But not impressed. He found inadequate.
M**E
Review
Does exactly what I bought it for
D**J
Rewelacyjny multimetr,polecam również dla początkujących.
C**N
Buen producto y fácil de usar.
C**N
Comme sur l’annonce, perfect
G**D
It’s professional grade quality, accurate and reliable. What you’d expect.
J**Y
Very handy, does what it suppose to do.
Trustpilot
2 weeks ago
2 weeks ago