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Installation Guide
Environmental Requirements
Ventilation Space
To ensure the specifications and measurement accuracy of the product, you must keep
ambient temperature around the product within the specified range by providing
appropriate cooling clearance around the product or, for the rackmount type, by forcefully
air-cooling inside the rack housing. For information on ambient temperature to satisfy the
specifications and measurement accuracy of the product, refer to Specifications and
"Supplemental Performance Characteristics" in Operation Manual.
When the ambient temperature around the product is kept within the temperature range of
the operating environment specification (refer to"Operation Environment" on page 25), the
product conforms to the requirements of the safety standard. Furthermore, under that
temperature environment, it has been confirmed that the product still conforms to the
requirements of the safety standard when it is enclosed with cooling clearance as follows:
Back
Sides
Figure 2-9
Ventilation space at installation site
Ensuring Adequate Free Space around Analyzer for Immediate
Disconnection of Power Cable in Case of Emergency
As described in "Disconnection from Supply Source" on page 32, the power supply is
disconnected by removing the power cable's connector plug from either the AC outlet or
the E4991A unit. When installing the E4991A, ensure that there is sufficient free space
around the unit to permit quick disconnection of the plug (from AC outlet or E4991A unit)
in case of emergency.
26
≥ 180 mm
≥ 60 mm (both right and left)
Chapter 2
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