Auto Ranging Multimeter features waterproof case.

Press Release Summary:

Designed for verifying and troubleshooting electrical circuits, Model MM500 measures up to 750 Vac/Vdc as well as resistance and continuity. Unit features totally sealed IP67-rated dust and waterproof case, 10 ft drop protection, and CAT IV 600 V safety rating. Meter offers 3-button functionality, detects AC or DC voltage automatically, and includes both visual and audible continuity indicators. When measuring in hard-to-access areas, Auto-Hold automatically locks reading on display.

Original Press Release:

How Tough Is Your Meter?

Klein® Tools Introduces Its Toughest Meter Yet -- The MM500 Auto Ranging Multimeter

(Lincolnshire, IL) – Klein Tools, ( for professionals since 1857, introduced its new MM500 Auto Ranging Multimeter today in response to increasing requests from professionals for meters that stand up to real world environments. The MM500 Auto Ranging Multimeter is an easy-to-use tool for verifying or troubleshooting electrical circuits safely and reliably. With a totally sealed IP67 dust and waterproof rated case, 3 m / 10 ft. drop protection and one of the highest safety ratings -- CAT IV (600V), the MM500 is tougher than the average meter in the field today.

“We have heard so many stories of professionals babying their meters with special bags and cases. On more than a few occasions, people have stated that they even take their cheaper/older meter up on the ladder in case they drop it,” states John McDevitt, executive vice president of sales and marketing. “Klein Tools has designed test and measurement products to meet the utmost levels of safety and durability so they can weather the harsh job site conditions like the rest of our tools.”

The MM500 Auto Ranging Multimeter measures up to 750 volts AC and DC, resistance and continuity. It has a user-friendly three button functionality, detects AC or DC voltage automatically, and includes both visual and audible continuity indicators. Self-storing leads are perfectly spaced for quick measurements of tamperproof outlets. Auto-Hold automatically locks readings on the display when measuring in hard to access areas. Other MM500 features include a 4000 count LCD display, low battery indicator, and auto-power off. By design, the meter uses easy-to-find AAA batteries and includes a battery door with captive screws to eliminate lost fasteners. Standards met: IP 67 dust and waterproof, 3 m/10 ft. drop protection and CAT IV (600V) safety rating.

“To confirm the MM500 was strong enough to meet our high standards, Klein put it through some grueling tests and posted the videos online,” states Bruce Kuhn, test and measurement product manager. “We wanted to make sure the MM500 was tougher than the water, dirt, drops, collisions and working voltage of the real world, before we would label it a Klein tough meter.”

To view the durability tests or for more information regarding Klein Tools “Tougher Than” meters and test and measurement line of products visit: To join the TougherThan conversation online visit or @Klein_Tools.

Klein is a registered trademark of Klein Tools, Inc.

Since 1857 Klein Tools, a family-owned and operated company, has been designing, developing and manufacturing premium-quality, professional-grade hand tools. The majority of Klein tools are manufactured in seven plants throughout the United States and are the number one choice among professional electricians and other tradespeople. For more information, visit

Media Contact:

Klein Tools

Tina Bush


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