Safety summary – Agilent Technologies Agilent E5250A User Manual
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Safety Summary
The following general safety precautions must be observed during all phases of 
operation, service, and repair of this instrument. Failure to comply with these 
precautions or with specific warnings elsewhere in this manual may impair the 
protections provided by the equipment. In addition, it violates safety standards of 
design, manufacture, and intended use of the instrument. Agilent Technologies, Inc. 
assumes no liability for customer’s failure to comply with these requirements.
NOTE
Agilent E5250A complies with INSTALLATION CATEGORY II for mains input and 
INSTALLATION CATEGORY I for measurement input terminals, and POLLUTION 
DEGREE 2 defined in IEC 61010-1.
Agilent E5250A is INDOOR USE products.
•
GROUND THE INSTRUMENT
This is Safety Class I instrument. To minimize shock hazard, the instrument chassis 
and cabinet must be connected to an electrical ground. The power terminal and the 
power cable must meet International Electrotechnical Commission (IEC) safety 
standards.
•
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes. 
Operation of any electrical instrument in such an environment constitutes a 
definite safety hazard.
•
KEEP AWAY FROM LIVE CIRCUITS
Operation personnel must not remove instrument covers. Component replacement 
and internal adjustments must be made by qualified maintenance personnel. Do 
not replace components with power cable connected. Under certain conditions, 
dangerous voltages may exist even with the power cable removed. To avoid 
injuries, always disconnect power and discharge circuits before touching them.
•
DO NOT SERVICE OR ADJUST ALONE
Do not attempt internal service or adjustment unless another person, capable of 
rendering first aid and resuscitation, is present.
•
DO NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT
