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Precautions
These terms have specific meanings in this manual:
WARNING
information to prevent personal injury.
information to prevent damage to the equipment.
important general information.
Symbols
The meaning of hazard symbols appearing on the equipment and in the documentation is as
follows:
Symbol Description
Refer to the operating manual when this symbol is marked on
the instrument. Familiarize yourself with the nature of the
hazard and the actions that may have to be taken.
Toxic hazard
Static sensitive components
General conditions of use
This product is designed and tested to comply with the requirements of IEC/EN61010-1 ‘Safety
requirements for electrical equipment for measurement, control and laboratory use’, for Class III
portable equipment and is for use in a pollution degree 2 environment. The equipment is designed
to operate from an installation category I supply.
Equipment should be protected from the ingress of liquids and precipitation such as rain, snow, etc.
When moving the equipment from a cold to a hot environment, it is important to allow the
temperature of the equipment to stabilize before it is connected to the supply to avoid condensation
forming. The equipment must only be operated within the environmental conditions specified in
Chapter 1 ‘Performance data’ in the Operating/Instruction manual, otherwise the protection
provided by the equipment may be impaired.
This product is not approved for use in hazardous atmospheres or medical applications. If the
equipment is to be used in a safety-related application, e.g. avionics or military applications, the
suitability of the product must be assessed and approved for use by a competent person.
WARNING
Electrical hazards (DC supply voltage)
This equipment conforms with IEC safety Class III, meaning that for continued safety it must only
be connected to supplies and signal sources which conform to ‘Separated Extra-Low Voltage’
(SELV and SELV-E) voltage and insulation requirements. No hazardous voltages are generated
internally. See under ‘Performance data’ in Chapter 1 for the maximum permitted voltage levels
that can be applied.
Do not remove instrument covers as this may result in personal injury. There are no user-
serviceable parts inside.
Refer all servicing to qualified personnel. See list of Service Centers at rear of manual.