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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.
Hazard symbols
The meaning of hazard symbols appearing on the equipment is as follows:
Symbol Description
General hazard
Toxic hazard
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 1
portable equipment and is for use in a pollution degree 2 environment. The equipment is designed
to operate from an installation category 2 supply.
Equipment should be protected from the ingress of liquids and precipitation such as rain, snow,
etc. When moving the instrument from a cold to a hot environment, it is important to allow the
temperature of the instrument to stabilize before it is connected to the supply to avoid
condensation forming. The instrument must only be operated within the environmental conditions
specified in Chapter 1 ‘Performance data’ in the Operating 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 (AC supply voltage)
This equipment conforms with IEC Safety Class I, meaning that it is provided with a protective
grounding lead. To maintain this protection the supply lead must always be connected to the
source of supply via a socket with a grounded contact.
Be aware that the supply filter contains capacitors that may remain charged after the equipment is
disconnected from the supply. Although the stored energy is within the approved safety
requirements, a slight shock may be felt if the plug pins are touched immediately after removal.
Do not remove covers, no user serviceable parts inside. See list of IFR Ltd International Service
Centers at rear of manual.
Fuses
Note that the internal supply fuse is in series with the live conductor of the supply lead. If
connection is made to a 2-pin unpolarized supply socket, it is possible for the fuse to become
transposed to the neutral conductor, in which case, parts of the equipment could remain at supply
potential even after the fuse has ruptured.
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General