Glacier Transportable Sampler - Isco

Glacier Transportable Sampler
Section 2 Installation
Figure 2-6 Standard Weighted Polypropylene Strainer
Figure 2-7 Stainless Steel Strainer
Figure 2-8 CPVC Weighted Strainer
If the strainer is not used, a short piece of thin walled aluminum
tubing may be attached to the end of the suction line and the
tubing anchored in the flow stream so that the inlet is oriented
upstream. The thin wall will provide minimum disturbance of
the flow stream and aluminum ions are usually not of concern in
analysis. Whether the strainer is used or not, the pre-sample
purge cycle should be sufficient to remove any debris which may
collect over the strainer or tubing entrance between sampling
events.
2.8.6 Pressurized lines Teledyne Isco does not recommend sampling from pressurized
lines. However, the sampler can obtain samples from pressurized
lines, as long as the line pressure does not exceed 15 pounds per
square inch. Pressures greater than 15 psi may prevent the
sampler from purging the suction line; moreover, extreme pressures
can force liquid past the pump, even when the pump is not
running.
2.9 External Connections The Glacier can be used with external devices that control the
sampler pacing, sampler inhibiting, or both. The sampler pacing
input can control the rate of sample collection so that it is proportional
to the flow rate of a channel. This input must be used
when the Flow Paced program option is selected. The sampler
inhibit input can delay the Glacier operation until a monitored
parameter meets user-defined conditions.
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