Sampler Overview - Teledyne 5800 Installation And Operation Manual

Isco 5800
Refrigerated Sampler
Section 1 Introduction

1.1 Sampler Overview

In this section...
• Sampler Overview
• Features, page 1-2
• Specifications, page 1-4
The 5800 Refrigerated Sampler is an automated wastewater
sampler that can collect liquid samples from a variety of sources
including open channels, sewers, and storm pipe conduits.
This indoor/outdoor use sampler is made of durable UV-resistant
plastic that provides exceptional resistance to corrosion and
weathering. Most notably, the refrigerator body is made from
rotationally molded linear low-density polyethylene. This unique
construction material was selected for its strength, durability,
and its ability to withstand temperature extremes. The system is
rated for –29 to 49 °C (–20 to 120 °F) operation. The hollow
cavities are filled with foam insulation. To protect the non-CFC
system, all refrigeration p arts are powder coa ted with
heat-treated polyester.
Unattended sample collection events can be triggered by time
intervals (time pacing), or by flow volume measured by an
external flow measurement device (flow pacing or constant
volume variable time). Isco flow meters are compatible flow
measurement devices, as well as any device that can provide a 5
to 15 VDC pulse or contact closure of at least 25 mS duration, or
a linear 4-20 mA current loop signal. An external device can also
disable the sampler until measured site conditions are met, at
which time the sampler begins the automated collection.
The sampler's pump can deliver the liquid through a 9 mm (
suction line at transport velocities of at least 0.9 meters per
second (3.0 ft/sec) at 0.9 m (3.0 ft) of head. The transport velocity
at 7.6 m (25 ft) of head is 0.67 m/sec (2.2 ft/sec). The maximum
lifting height of the sampler is 8 m (28 ft). To produce accurate
and repeatable samples, the pump uses a pump revolution
counter and non-contacting liquid detector.
The collected samples are stored inside the refrigerated
compartment and cooled for sample preservation. Samples can
be deposited into a single bottle (composite), or collected as
discrete samples, each into a separate bottle of a multi-bottle
rack (sequential), or a combination of these modes. The cooled
samples are maintained until an operator can remove them from
the sampler and deliver them to the laboratory.
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