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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
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SMART SMD TESTERTOL-10829SMART SMD TESTER0View Details
DATALOGGING CAT IV TRMS DMMMM750WDATALOGGING CAT IV TRMS DMM8 - ImmediateView Details
DIGITAL MULTIMETER, MANUAL-RANGIMM300DIGITAL MULTIMETER, MANUAL-RANGI102 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM400DIGITAL MULTIMETER, AUTO-RANGING27 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM600DIGITAL MULTIMETER, AUTO-RANGING29 - ImmediateView Details
DIGITAL MULTIMETER, AUTO-RANGINGMM700DIGITAL MULTIMETER, AUTO-RANGING15 - ImmediateView Details
USB DIGITAL METER- TYPE AET900USB DIGITAL METER- TYPE A13 - ImmediateView Details
USB DIGITAL METER & TESTER- TYPEET910USB DIGITAL METER & TESTER- TYPE37 - ImmediateView Details
USB DIGITAL METER - TYPE A AND CET920USB DIGITAL METER - TYPE A AND C18 - ImmediateView Details
DMM HANDHELD 3.5 DIGIT LCD52AC3271DMM HANDHELD 3.5 DIGIT LCD0View Details
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ANALOG MULTIMETR HANDHELD 3.5DIGDVM810ANALOG MULTIMETR HANDHELD 3.5DIG0View Details
DMM 4.5DIGIT MULTIFUNCTION 120VSDM3045XDMM 4.5DIGIT MULTIFUNCTION 120V0View Details
12CH 5.5 DIGIT 4.3SDM305512CH 5.5 DIGIT 4.3" LCD SCRE0View Details
12CH MUX 5.5 DIGIT 6.5SDM3065X12CH MUX 5.5 DIGIT 6.5" LCD SCRE0View Details
12CH DMM MUX 5.5 DIGIT 6.5SDM3065X-SC12CH DMM MUX 5.5 DIGIT 6.5" LCD0View Details
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