Warnings and Safety Information . 15
The instrument has:
• An IEC Pollution Degree 2 classification - usually only non–conductive atmospheric
pollution of the equipment occurs; occasionally, however, a temporary conductivity
caused by condensation must be expected.
• An IEC Insulation class I rating for external circuits – only connect equipment that
meets the requirements of IEC 61010-1, IEC 60950 or equivalent standards.
The instrument is designed to be safe under transient overvoltages typically present on
the MAINS supply.
NOTE: The normal level of transient overvoltages is impulse withstand (Overvoltage)
category II of IEC 60364-4-443.
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