Not all digital multimeters DMMs are the same Volodymyr Krasyuk/iStock/Thinkstock

Not all digital multimeters (DMMs) are the same.

Live to Test Another Day, Part 2

For industrial or commercial work, it’s best to own only CAT IV meters.

Obviously, not all digital multimeters (DMMs) are the same. The wide range of prices tells us that. Then, there are feature differences. For example, as you move up the scale you get high/low/average recording (among other features). An important way DMMs differ is by their energy category.

Suppose you own a computer build and repair shop. Your techs use DMMs to verify power at the 12V and 5V connectors. How much incidental energy is available at the test leads on the typical system

Register to view the full article

Register on EC&M and gain access to premium content, including this article and much more.

Hide comments

Comments

  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Publish