Keysight P937xA PXIe Service Guide                 11
Safety and Regulatory Information
General Safety Considerations
General Safety Considerations
Before Applying Power
Servicing
Operating Conditions
If this product is not used as specified, 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.
The measuring terminals on this instrument are designed to be used with 
external signals described in Measurement Category I, but NOT with 
external signals described in Categories II, III, and IV. The input of this 
instrument cannot be connected to the mains.
The Mains wiring and connectors shall be compatible with the connector 
used in the premise electrical system. Failure to ensure adequate earth 
grounding by not using the correct components may cause product 
damage, and serious injury.
These servicing instructions are for use by qualified personnel only. To 
avoid electrical shock, do not perform any servicing unless you are 
qualified to do so.
Operator is responsible for maintaining safe operating conditions. To 
ensure safe operating conditions, P937xAs should not be operated beyond 
the full temperature range documented in the P937xA Data Sheet 
(http://literature.cdn.keysight.com/litweb/pdf/5992-2765EN.pdf). Not 
maintaining safe operating conditions can result in shorter P937xA 
lifespans, improper P937xA performance, and user safety issues. If 
P937xAs are allowed to exceed the specified full temperature range, 
P937xA surface temperatures can cause discomfort or burns if touched. If 
a P937xA exceeds the full temperature range, always allow it to cool 
before touching it or removing it from the chassis.
This product is designed for use in Installation Category II and Pollution 
Degree 2 environment.