Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester, Tests Batteries, Current, Resistance, Diodes, and…
Best for
Best for beginners
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 1 trusted source
Current price
$34.97
Updated Jun 27, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Klein MM325 lands as the value 'real-brand' starter meter. High-trust r/Tools threads call it 'a great, high-quality general-purpose multimeter' acceptable for home and light professional use, and r/AskElectronics commenters note it carries HRC fuses on all inputs, which they rate better than many cheap meters for safety. Lowe's verified reviews echo reliable performance, clear display and strong value.
What reviewers liked
- High-trust r/Tools threads rate it a quality general-purpose meter for home and light pro use
- HRC fuses on all inputs cited in r/AskElectronics as a real safety advantage over cheap meters
- Trusted brand, simple operation and strong 4.7/2.7k rating at a low price
Where it falls short
- Manual-ranging is slower for true beginners than auto-ranging budget rivals
- No built-in temperature function and modest 2 MΩ resistance range
- 600V ceiling and basic feature set limit advanced or industrial use
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Across the reviewers we read, the Klein MM325 lands as the value 'real-brand' starter meter. High-trust r/Tools threads call it 'a great, high-quality general-purpose multimeter' acceptable for home and light professional use, and r/AskElectronics commenters note it carries HRC fuses on all inputs, which they rate better than many cheap meters for safety. Lowe's verified reviews echo reliable performance, clear display and strong value.
The trade-offs are scope-related. It's manual-ranging, which some beginners find slower than auto-ranging budget meters, and r/AskElectronics threads point out it has no temperature range (a thermocouple workaround exists) and modest 2 MΩ resistance and 600V limits. For a first meter from a trusted tool brand that won't break the bank, though, the reviewers we read see it as a safe, durable choice that outclasses no-name units on build and fusing.
- Versatile Functionality
- Measures AC/DC voltage up to 600V, 10A DC current, 2MΩ resistance; additional features include continuity, diode test and battery 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
- Battery Test
- Battery test mode can be used for checking if batteries are working
- 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, for use in basic and controlled electromagnetic environments such as residential, business and light-industrial locations
- Complete Package
- Includes test leads with CAT III/CAT IV safety caps, instructions, and 2 x AAA batteries
600V 1V AC Voltage. It also has HRC fuses on ALL inputs. Better than many multimeters So I would give it bench space. 't have a temperature ...
The Klein MM325 is a great, high-quality general-purpose multimeter for $40, cheap is not so much accuracy. The Klein is acceptable for a home ...
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“KLEIN MM325 CHEAP” · O Multimeter Review & Teardown!
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