Introduction and Safety Information
Symbols
1
Protection Class I
Protective Earth/Ground
The Multimeter must be operated with a Protective Earth/Ground connected via the
power cable's protective earth/ground conductor. The Protective Earth/Ground connects
to the instrument before the line & neutral connections when the supply plug is inserted
into the power socket on the back of the instrument.
Warning
To avoid possible electric shock, personal injury, or death:
• Ensure that no interruption of the protective ground conductor
inside or outside the instrument has occurred. Any interruption of
the protective ground is likely to make the instrument dangerous.
• Make signal connections to the instrument after making the
protective ground connection.
• Remove signal connections before removing the protective ground
connection, i.e. the power cable must be connected whenever
signal leads are connected.
Do Not Operate Without Covers
Warning
To avoid possible electric shock, personal injury, or death, do not
operate the instrument with its covers removed.
The covers protect users from live parts, and unless otherwise stated,
must only be removed by qualified service personnel for maintenance
and repair purposes.
Removing the covers may expose voltages in excess of 1.5 kV peak.
Safe Operating Conditions
Warning
To avoid electric shock or fire hazard, do not apply to or subject the
Multimeter to any condition that is outside specified range. See
Chapter 5 of this manual for detailed instrument specifications and
operating conditions.
Only operate the Multimeter within the manufacturer's specified operating conditions.
Examples of operating condition specifications examples that must be considered
include:
• Ambient temperature
• Ambient humidity
• Power supply voltage & frequency
• Maximum terminal voltages or currents
• Altitude
• Ambient pollution level
• Exposure to shock and vibration
Caution
To avoid possible damage to the Multimeter, consider direct sunlight,
radiators and other heat sources when assessing ambient temperature.
Before connecting the Multimeter to the supply, make sure that ac
supply voltage connector on the rear panel is set to the correct voltage
and that the correct fuses are fitted.
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