Clamp meters and multimeters / Klein Tools
MULTIMETER

Klein Tools MM600 multimeter

Checked 2026-10-17 against Klein Tools' US product page by Rob, licensed electrician

The Klein Tools MM600 is a multimeter, sold on its own. Klein Tools publishes CAT IV 600 V, CAT III 1,000 V safety rating, 1,000 V DC voltage (max range), 1,000 V AC voltage (max range), 10 A AC current (max range). In the box: Carrying Case, Test Leads, Thermocouple, Batteries, User Manual. Source: Klein Tools' US product page, checked 2026-10-17.

Key specs

Safety rating (IEC 61010 CAT)
CAT IV 600 V, CAT III 1,000 V
DC voltage, max range
1,000 V
AC voltage, max range
1,000 V
AC current, max range
10 A
DC current, max range
10 A
Display resolution
4,000 counts
Resistance, max range
40 MΩ
Batteries (cells)
2 x AAA

Not on Klein Tools' US product page for the MM600: True-RMS; Low-impedance (LoZ) mode; Warranty. We do not guess.

In the box

  • IncludedMultimeter
  • IncludedTest leads: Test Leads
  • IncludedBatteries: Batteries
  • IncludedCase or holster: Carrying Case
  • IncludedAlso in the box: Thermocouple
Find MM600 prices on Amazon Find MM600 prices at Acme Tools Find MM600 prices at eBay New tab, US retailers. Search results open where no exact listing is on file. Check the listing says MM600; marketplace sellers vary.
  • US retailer, ships from the US
  • Free shipping over $199
  • Family owned since 1948
  • Acme Tools, as published on its site, checked 2026-10-17

All specs

Safety rating (IEC 61010 CAT)CAT IV 600 V, CAT III 1,000 V
DC voltage, max range1,000 V
AC voltage, max range1,000 V
AC current, max range10 A
DC current, max range10 A
Display resolution4,000 counts
Resistance, max range40 MΩ
Batteries (cells)2 x AAA
Capacitance, max range1,000 μF
Frequency, max range500 kHz
Temperature measurement0° - 1,000°F (-18° - 538°C)
Drop protection6.6 ft (2 m)
Ingress protectionIP42
Size7 x 3.55 x 2.09 in (L x W x H)
Weight14.4 oz (408 g)
UPC barcode092644690228

Ratings are Klein Tools' published figures from its US product page, listed under Sources. Anything not on that page is left out rather than guessed. Check this against another model.


Find the MM600 at Amazon

Quick answers

What is the MM600's safety (CAT) rating?

Klein Tools rates it CAT IV 600 V, CAT III 1,000 V. CAT IV covers the service entrance and utility side, CAT III distribution-level circuits such as panels and feeders; the lower of the meter's and the test leads' ratings is the one that applies. See our CAT ratings guide.

Does the MM600 measure DC current?

Yes: Klein Tools lists a DC current range up to 10 A.

What batteries does the MM600 use?

2 x AAA (dry cells; no tool battery platform).

Does the MM600 come with test leads?

Yes: Test Leads.

Owner reviews

Read the owner reviews on KleinTools.com

Manuals and official documents

Sources

  1. Klein Tools US product page MM600, retrieved 2026-10-17

Spotted a wrong number? Report a spec error (opens an email with the model filled in). We re-check against the maker's page and correct the page.

Researched by Rob, licensed electrician (Australia). Found an error? Tell us.

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