Power Supply User's Manual 87421A 87422A

Safety and Regulatory Information

Manufacturer’s Declaration

This is to certify that this product meets the requirements specified in IEC 1010 and

IEC Publication 348, Safety Requirements for Electronic Measuring Apparatus. It has

been supplied in a safe condition for indoor use only and may occasionally be subjected

to temperatures between +5 and –10 Celsius without degradation of its safety. The

present data sheet contains some information and warnings which have to be followed

by the user to ensure safe operation and to retain the product in safe condition. The

main plug shall be inserted in a socket outlet provided with a protective earth contact.

The protective action must not be negated by the use of an extension cord without

a protective conductor. Warning: Any interruption of the protective conductor inside

or outside the product or disconnection of the protective earth terminal is likely to

make the equipment dangerous. Intentional interruption is prohibited. This product

has been designed to be safe under the following environmental conditions: indoor use;

altitude up to 2,000 meters; temperature range expanded to include 0 to +55 Celsius;

maximum relative humidity 80% up to 31 degrees Celsius decreasing linearly to 50%

relative humidity at 40 degrees Celsius; mains supply voltage fluctuations not to exceed

±10% of nominal voltage; transient over voltage category II for the main ac supply

voltage; pollution degree two. If the equipment is used in a manner not specified by

Agilent Technologies, the protection provided by the equipment may be impaired.

Model 87422A