373
Users Manual
Symbol | Meaning | Symbol | Meaning |
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| IEC Measurement Category III |
| IEC Measurement Category IV |
| CAT III equipment has protection |
| CAT IV equipment has protection |
CAT III | against transients in equipment in | CAT IV | against transients from the primary |
supply level, such as an electricity | |||
| as distribution panels, feeders and |
| Meter or an overhead or |
| short branch circuits, and lighting |
| underground utility service. |
| systems in large buildings. |
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, | Application around and removal |
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from HAZARDOUS LIVE |
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| conductors is permitted. |
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Note
The Measurement Category (CAT) and voltage rating of any combination of test probe, test probe accessory, current clamp accessory, and the Meter is the LOWEST rating of any individual component.
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