2150EX AV Flow Module - Isco

2150EX Area Velocity Flow System
Section 1 Introduction
1.1 Product Description The 2150EX Area Velocity Flow Module is part of Isco’s 2100
Series. The 2100 Series measures parameters of open channel
flow streams.
The intrinsically safe 2150EX is intended for use in potentially
explosive atmospheres, and complies with ATEX Directive
94/9/EC. The 2150EX is Group II, Category 1G or 2G equipment
as appropriate for use in Hazardous Zones 0, 1, and 2.
The purpose of intrinsic safety is to limit the energy available to
a given circuit or device to a level where electrical discharge
(sparking) cannot ignite the hazardous (flammable or explosive)
atmosphere. With no spark ignition possible, safe operation of
the equipment in areas with potentially explosive atmospheres is
possible.
The standard 2100 Series is designed to be modular so that you
can expand the system by stacking modules to meet your data
collection needs. The 2150EX incorporates this modularity,
allowing up to two 2150EX modules to be stacked on one 2191EX
or 2196EX battery module.
The 2150EX is paired with Isco’s Flowlink software. With this
full-featured application software, you can quickly set up the
module, retrieve measurement data, manage the sites, and
analyze the data, and update the module’s own software, all
without entering the hazardous area.
The module’s data storage memory is quite flexible, able to store
the measurements in intervals from 15 seconds to 24 hours. The
module can also be configured for variable rate data storage.
Variable rates allow you to store data at a different interval
when a programmed condition occurs.
The module’s program and collected data are stored in flash
memory for security. Flash memory retains data without the
concern of power failures or aging backup batteries. Its capacity
is more than sufficient for most applications. The data storage
memory can hold approximately 79,000 readings – the equivalent
of nine months of level and velocity data when stored at
fifteen minute intervals. The flash memory also stores sensor
level adjustment information. A separate flash memory device
inside the module stores the operating firmware.
The rugged 2150EX components are rated NEMA 4X, 6P (IP68).
The permanently sealed enclosures are designed to meet the
environmental demands of many sewer flow monitoring applications.
All connections between sensors and communication cables
“lock” in place. Each locking mechanism strongly secures the
components and ensures a watertight seal.
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