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2.5.1 Vinyl Suction Line
Figure 2-7
Attaching the vinyl suction line with a tube coupler
When accurate, repeatable sample volumes are important, use
care to cut the suction line to the correct increments:
• When the sampler is using metric units of measure, cut
the line in 0.1 m increments. For instance, cut 4.2 m, not
4.26 m.
• When using English units of measure, cut the line in
increments of 1 foot.
Record this cut length. Later, you will enter this value in the
SUCTION LINE configuration option (section 3.3.3).
To attach vinyl suction line to the pump tube (refer to Figure
2-7):
1. Locate the end of the tubing coupler with the black clamp.
Push this end of the coupler into the upper pump tube
(inlet).
2. Secure the tubing coupler by wrapping the black clamp
around the pump tube and squeezing the finger pads
together.
3. Push the vinyl suction line onto the other end of the tubing
coupler.
4. Secure the vinyl suction line connection by wrapping the
white clamp around the tube and squeezing the finger pads
together.
Note
Release clamps by sliding the finger pad ends in opposite
directions until the teeth disengage (Figure 2-8).
Isco 4700 Refrigerated Sampler
Section 2 Installation
2-11
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