Tools & Workshop · Measurement

Klein Tools MM400 Multimeter review: dimensions handheld DMM, sourced

The MM400 Multimeter is a measuring tool from Klein Tools, listed on Amazon at about $79. This page records the specifications Klein Tools publishes, dated, and names the figures it leaves out.

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MM400 Multimeter, product image from Klein Tools
Product image from Klein Tools's own website.

Short verdict

Source-only assessment No score is published because PickBadger has not handled this product. The summary below interprets only the manufacturer’s published specifications, labels and terms.

Klein Tools publishes dimensions handheld DMM for the MM400 Multimeter. Every row in the spec table comes from the dated maker page. Nobody at PickBadger has handled it, so it carries no score; this summary covers only the maker's published figures and the Amazon price of about $79 checked on 10 September 2026.

Published specification —
Build and materials —
Features against the line —
Value against the line —

Sub-scores withheld until a named reviewer supplies a scored assessment.

Overall

— /5

Score withheld · sourcing shown instead

Listed price

$79.00

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Affiliate link · commission disclosed

What the specs support

  • Maker lists dimensions as handheld DMM listed
  • Maker lists coating as n/a
  • Maker lists vehicle coverage as n/a
  • Maker lists protocol as CAT ratings listed on meter

Where it costs you

  • No PickBadger score: nobody at PickBadger has handled it
  • The Amazon price is a dated snapshot, not a live quote
  • This page does not replace a full manufacturer datasheet
  • Unpublished measuring tool figures stay blank rather than guessed

Specifications

Source: Klein Tools MM400 Multimeter product page · retrieved

5 figures
Dimensions handheld DMM listed
Coating n/a
Vehicle coverage n/a
Protocol CAT ratings listed on meter
Screen digital display listed

Figures are the manufacturer’s own published claims, not PickBadger measurements.

Buy it if

You are comparing measurement and the published dimensions handheld DMM from Klein Tools is enough to shortlist the MM400 Multimeter.

Skip it if

You need an assessment of how it performs in use, a figure Klein Tools does not publish, or a different measurement product than the MM400 Multimeter.

What Klein Tools publishes for the MM400 Multimeter

The MM400 Multimeter is a measuring tool, filed in measurement inside tools and workshop gear. Figures in the spec table come from the dated Klein Tools page named above, not from another publisher and not from an inferred test.

Klein Tools lists dimensions as handheld DMM listed; coating as n/a; vehicle coverage as n/a; protocol as CAT ratings listed on meter; screen as digital display listed.

The Amazon button is the purchase path for this page. It does not make Amazon the specification source. Where the maker page and the listing disagree, the maker page wins and the conflict is treated as a gap rather than averaged.

Does the published dimensions of the MM400 Multimeter decide a purchase?

Only as a published number. Klein Tools lists dimensions handheld DMM. That is useful for comparison against other measurement that publish the same field. It is not a measurement taken for this review, and this page gives the product no score.

Where to buy the MM400 Multimeter, and the price

The Amazon button opens ASIN B00BGO52G2, listed at about $79 on 10 September 2026. Treat the price as a snapshot. Commission on the outbound link is disclosed above the button.

What is missing from the MM400 Multimeter spec sheet

The dated maker page fills the rows in the table, but it is still not a complete engineering file. Duration, durability and in-use behaviour are not inferred from marketing copy.

The price of $79 was checked on 2026-09-10. Treat it as a snapshot and use the Amazon button for the current figure.

Questions

Why does the MM400 Multimeter have no score?

Nobody at PickBadger has handled the MM400 Multimeter, so there is no assessment to put a number on. This page records the specifications Klein Tools publishes on its own dated product page and names the figures it leaves out. A score appears only when a named reviewer can state the basis for it.

How much does the MM400 Multimeter cost on Amazon?

This page recorded about $79 on 10 September 2026. That is a snapshot, not a live quote. The Amazon button opens the listing used here, in a new tab, with rel sponsored nofollow. The ASIN recorded is B00BGO52G2. Check the listing before you buy. Commission is disclosed above the button.

What specs does Klein Tools publish for the MM400 Multimeter?

Klein Tools publishes dimensions handheld DMM on the dated source named in the spec table. That is a maker figure, not a measurement taken for this review. Neighbouring numbers absent from the table stay unpublished rather than being copied from another site.

What has Klein Tools not published for the MM400 Multimeter?

The dated maker page supplies the rows in the table, but it still is not a complete engineering datasheet. Duration, durability and in-use behaviour are not inferred from marketing copy, and no score is given. The dated source is named in the spec table.

Has PickBadger tested the MM400 Multimeter?

No. This page is a sourced specification record, not a test, and it carries no score. It does not report handling, wear or measured performance. Figures come from the dated Klein Tools page named in the spec table, and unpublished cells stay blank rather than being filled from another publisher.

The bottom line

The Klein Tools MM400 Multimeter is recorded here as sourced measurement from Klein Tools: about $79 on Amazon as of 10 September 2026, with dimensions handheld DMM on the dated maker page and no PickBadger score. Read the spec table, the gaps, and the skip line before using the button.

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The PickBadger Research Desk produces source-only product analyses. It reads manufacturer datasheets, labels, service terms and product pages, records the URL and date behind material figures, and leaves a visible gap whenever a claim cannot be traced to the company that publishes it.

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