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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 DMM63 - ImmediateView Details
SMD COMPONENT TESTING TWEEZERS1359SMD COMPONENT TESTING TWEEZERS6 - ImmediateView Details
SMART SMD TESTERTOL-10829SMART SMD TESTER0View Details
DATALOGGING CAT IV TRMS DMMMM750WDATALOGGING CAT IV TRMS DMM0View Details
DIGITAL MULTIMETER, MANUAL-RANGIMM300DIGITAL MULTIMETER, MANUAL-RANGI67 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM400DIGITAL MULTIMETER, AUTO-RANGING33 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM600DIGITAL MULTIMETER, AUTO-RANGING1 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM700DIGITAL MULTIMETER, AUTO-RANGING4 - ImmediateView Details
USB DIGITAL METER- TYPE AET900USB DIGITAL METER- TYPE A6 - ImmediateView Details
USB DIGITAL METER & TESTER- TYPEET910USB DIGITAL METER & TESTER- TYPE85 - ImmediateView Details
USB DIGITAL METER - TYPE A AND CET920USB DIGITAL METER - TYPE A AND C8 - ImmediateView Details
13430 COMPACT DIGITAL MULTIMETER52AC327113430 COMPACT DIGITAL MULTIMETER14 - ImmediateView Details
13440 COMPACT DIGITAL MULTIMETER52AC327313440 COMPACT DIGITAL MULTIMETER13 - ImmediateView Details
TRMS DIGITAL MULTIMETER72-10410TRMS DIGITAL MULTIMETER0View Details
31/2 MINI DIGITAL MULTIMETERDVM81031/2 MINI DIGITAL MULTIMETER36 - ImmediateView Details
DMM 4.5DIGIT MULTIFUNCTION 120VSDM3045XDMM 4.5DIGIT MULTIFUNCTION 120V17 - ImmediateView Details
12CH MUX 5.5 DIGIT 4.3SDM305512CH MUX 5.5 DIGIT 4.3" LCD SCRE29 - ImmediateView Details
12CH MUX 5.5 DIGIT 6.5SDM3065X12CH MUX 5.5 DIGIT 6.5" LCD SCRE19 - ImmediateView Details
12CH DMM MUX 5.5 DIGIT 6.5SDM3065X-SC12CH DMM MUX 5.5 DIGIT 6.5" LCD2 - ImmediateView Details
DMM 5.5 DIGIT BENCHTOP USB RS-23DM3058EDMM 5.5 DIGIT BENCHTOP USB RS-236 - ImmediateView Details