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1-10
Getting Started
WARNING
CAUTION
Excessive heat could damage the Model 622x and at the very least, degrade its
performance. The Model 622x must be operating in an environment where the
ambient temperature does not exceed 50°C.
CAUTION
When handling the Model 622x, NEVER touch the heat sink
located on the right side of the case. This heat sink could be
hot enough to cause burns.
NEVER place a container of liquid (e.g., water, coffee, etc.) on
the top cover. If it spills, the liquid will enter the case through
the vents and cause severe damage.
To prevent damaging heat build-up and thus ensure specified
performance, adhere to the following precautions:
• The heat sink must be kept free of dust, dirt, and contami-
nates, since its ability to dissipate heat could become
impaired.
• The cooling vents must be kept free of any obstructions.
DO NOT place any objects on the top cover. Even partial
blockage could impair proper cooling.
• DO NOT position any devices adjacent to the Model 622x
that force air (heated or unheated) into or onto its cooling
vents or surfaces. This additional airflow could compro-
mise accuracy performance.
• For bench top use, the Model 622x can be placed on a hard
surface that is at ambient temperature. The feet of the
Model 622x will raise the chassis off the surface to allow
adequate ventilation under the unit. DO NOT use the Model
622x on a soft, compliant surface, like a carpet.
• The Model 622x can be set on top of another instrument
that is dissipating heat, but additional spacing is required.
In order to maintain full power capability, 1.75" of spacing
is required. The feet of the Model 622x only provide 0.625"
(5/8") of spacing.
• Rack mounting requires 1U of vertical spacing at the top
and bottom of the Model 622x. 1U is a standard vertical
spacing unit and is equal to 1.75". The typical distance
between the mounting screw holes on the rack rails is
0.125" (1/8").
• When rack mounting the Model 622x, make sure there is
adequate airflow around the sides and top to ensure proper
cooling. Adequate airflow enables air temperatures within
approximately one inch of the Model 622x surfaces to
remain within specified limits under all operating condi-
tions.
Return to
Section 1 topics
Model 6220/6221 User's Manual
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