General Safety Considerations

Note This instrument has been designed and tested in accordance with IEC Publication 1010, Safety Requirements for Electronics Measuring Apparatus, and has been supplied in a safe condition. This instruction documentation contains information and warnings which must be followed by the user to ensure safe operation and to maintain the instrument in a safe condition.

Warning This is a safety Class I product (provided with a protective earthing ground incorporated in the power cord). The mains plug shall only be inserted in a socket outlet provided with a protective earth contact. Any interruption of the protective conductor, inside or outside the instrument, is likely to make the instrument dangerous. Intentional interruption is prohibited.

Warning No operator serviceable parts inside. Refer servicing to qualified personnel. lb prevent electrical shock, do not remove covers.

Caution Before switching on this instrument, make sure that the line voltage selector switch is set to the voltage of the power supply and the correct fuse is installed. Assure the supply voltage is in the specified range.

Warning The opening of covers or removal of parts is likely to expose dangerous voltages. DiSCOMeCt the instrument from all voltage sources while it is being opened.

W a r n i n g The power cord is connected tointernal capacitors that may remain live for 10 seconds after disconnecting the plug from its power supply.

Warning For continued protection against fire hazard replace line fuse only with same type and rating (F 3A/250V). The use of other fuses or material is prohibited.

Warning lb prevent electrical shock, disconnect the HP 87533 from mains before cleaning. Use a dry cloth or one slightly dampened with water to clean

the external case parts. Do not attempt to clean internally.

Warning If this product is not used as specitled, the protection provided by the equipment could be impaired. This product must be used in a normal condition (in which all means for protection are intact) only.

Warning Always use the three-prong AC power cord supplied with this product. FMlure to ensure adequate earth grounding by not using this cord may cause product damage.