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What are CAT (Category) Safety Ratings in Multimeters? - Another Teaching Moment | Digi-Key Electronics

Category Safety Ratings, or CAT ratings for short, are used to determine the correct multimeter required when measuring electrical equipment in specific situations or configurations. If you’ve ever used a multimeter or examined a datasheet for one, you’ve likely noticed a CAT safety rating. According to the IEC (International Electrotechnical Commission), multimeter manufacturers must follow specific safety testing guidelines to ensure each manufactured device meets or exceeds its stated rating. This video demonstrates the four, load type CAT level designations designed to protect end users from unintentional contact with electric energy which may result in serious injury or death.

2/24/2020 7:04:29 PM

Part List

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
DGTL MULTIMETER PRO DMM480-001DGTL MULTIMETER PRO DMM145 - ImmediateView Details
SMD COMPONENT TESTING TWEEZERS1359SMD COMPONENT TESTING TWEEZERS19 - ImmediateView Details
DATALOGGING CAT IV TRMS DMMMM750WDATALOGGING CAT IV TRMS DMM2 - ImmediateView Details
DIGITAL MULTIMETER, MANUAL-RANGIMM300DIGITAL MULTIMETER, MANUAL-RANGI40 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM400DIGITAL MULTIMETER, AUTO-RANGING26 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM600DIGITAL MULTIMETER, AUTO-RANGING6 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM700DIGITAL MULTIMETER, AUTO-RANGING6 - ImmediateView Details
USB DIGITAL METER- TYPE AET900USB DIGITAL METER- TYPE A12 - ImmediateView Details
USB DIGITAL METER & TESTER- TYPEET910USB DIGITAL METER & TESTER- TYPE88 - ImmediateView Details
USB DIGITAL METER - TYPE A AND CET920USB DIGITAL METER - TYPE A AND C17 - ImmediateView Details