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The Klein Tools MM325 is a professional-grade, manual-ranging digital multimeter designed for electricians and serious DIYers. It measures AC/DC voltage up to 600V, DC current up to 10A, and resistance up to 2MΩ, with additional tests for batteries, diodes, and continuity. Featuring lead-alert LEDs for safety, a backlit LCD for visibility in low light, and rugged construction to withstand drops up to 6.6 feet, this tool is built for reliability and accuracy on any job site. The package includes test leads with CAT III/IV safety caps, batteries, and user instructions, making it a ready-to-go essential for precise electrical diagnostics.






| Brand | KLEIN TOOLS |
| Power Source | Battery Powered |
| Style | Manual-Ranging |
| Color | Orange/ Black |
| Item Weight | 13.92 ounces |
| Item dimensions L x W x H | 9.33 x 5.08 x 3.82 inches |
| Min. Operating Voltage | 9 Volts |
| Specification Met | Cat Iii 600v Safety Rating |
| Upper Temperature Rating | 60 Degrees Celsius |
| Measurement Type | Multimeter |
| Maximum Operating Voltage | 600 Volts |
| UPC | 092644693731 |
| Manufacturer | Klein Tools |
| Global Trade Identification Number | 00092644693731 |
| Part Number | MM325 |
| Item Weight | 13.9 ounces |
| Product Dimensions | 9.33 x 5.08 x 3.82 inches |
| Item model number | MM325 |
| Batteries | 2 AAA batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | One Size |
| Finish | Brushed |
| Material | Blend |
| Pattern | Tester |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Measurement Accuracy | +/- 2% |
| Special Features | Lead Alert; Backlight; Auto Power-Off; Data Hold |
| Included Components | Multimeter, Voltage Tester |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
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