2. Symbols Used on the Instrument
F
Warning: High Voltage, risk of electric shock
G
Caution: Refer to user guide.
t
Equipment protected throughout by double insulation.
Line Power / mains
c
EU conformity. Equipment complies with current EU directives.
UK conformity. This equipment complies with current UK legislation
Equipment complies with current ‘C tick’ requirements.
Do not dispose of to landfill, sewage systems or by fire.
g
Reference earth connection. Not a protective earth terminal
Universal Serial Bus (USB)
CAT IV Measurement category IV: Equipment connected between the origin of the low-voltage mains supply
and the distribution panel. CATIV applies to voltage measurement function of these instruments
CAT III Measurement category III: Equipment connected between the distribution panel and the electrical
outlets
CAT II Measurement category II: Equipment connected between the electrical outlets and the user’s
equipment.
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S1-568 / S1-1068 / S1-1568
4
Symbols Used on the Instrument