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Safety Symbols
The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument.
CAT III | Category III 1000 V overvoltage protection | CAT IV | Category IV 600 V overvoltage protection | ||
1000 V |
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| 600 V |
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| Equipment protected throughout by |
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| double insulation or reinforced |
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| Earth (ground) terminal |
| insulation |
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| Caution, risk of danger (refer to this manual |
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| Caution, risk of electric shock |
| for specific Warning or Caution information) |
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Agilent U1251A/U1252A User’s and Service Guide | III |