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Figure 2-1
Minimum space requirements
• Liquid sample collection point – It is best to keep the
distance between the sampler pump and the collection
point as short as possible. The shorter distance will
increase pumping efficiency and pump tubing life. Also,
the pump inlet should be located above the liquid
surface. Gravity will aid suction line rinses and allow
the line to drain, thereby reducing the possibility of
sample cross-contamination. Refer to Table 1-2 for
maximum suction line lengths and suction head heights.
• Security – The location may need to provide some degree
of security to prevent tampering or vandalism.
• Accessibility – The sampler must be installed in a
location where personnel can easily exchange bottles
and perform routine service.
The sampler requires about 2600 square centimeters (925
2
in
) of floor space. Additional space must be allowed in
front of the sampler, at its left and right sides, and above
the sampler. Refer to Figure 2-1. Do not block access to
these areas. Obstructions will make routine servicing
activities difficult or impossible.
The back of the sampler may be placed against a wall as
long as air at the bottom of the refrigerator can flow freely
to surrounding air. Unrestricted air flow behind and
around the sampler will keep the refrigeration system
working efficiently.
Sampler dimensions
Keep areas accessible
Door
Latch
85 cm
20 cm
31 cm
61 cm
Door
Isco 4700 Refrigerated Sampler
Section 2 Installation
32 cm
Control
32 cm
Panel
Access
26 cm
132 cm
Pump
Access
73 cm
2-3
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