Honeywell Vertex, Operating Manual

Page: 33 / 321

V
ertex
TM
72-Point Continuous Monitor
Vertex Technical Handbook 1-21
1.5 Sampling System
Each Analyzer module is a monitoring center for
sampling lines from sample locations. As they apply
to the Vertex System, the words point, line and
location require definition:
• A location is a place to be monitored
• Sample atmosphere runs from the location
to the Vertex System via a line
• Each of the 72 sample tubing connections
on the Vertex System corresponds to a point.
A sample line can be connected directly to
a single point or multiple points via a 4-port
manifold
The system draws air simultaneously from all
locations. Two different types of flow are:
• Transport flow: high-velocity, large-volume air
movement through the lines
• Sample flow: air admitted to the Chemcassette
®
detection system
The high speed of transport flow allows rapid
monitoring and response time when using long lines
from monitored locations to the Vertex System. A
small portion of the transport flow (sample flow) is
analyzed to determine concentration levels.
The complete sampling and monitoring system
consists of the following components:
• Sample lines to all monitored locations
• Flow connections through quick-connect
ports in bulkheads on top of unit
• Moving cable and connectors
• Vacuum pumps
• Analyzers incor porating manifolds,
Chemcassette
®
and filters
• Flow controlling proportional valve
• Top exhaust port
There are 72 inlets, one for each monitored location.
One exhaust port is also located on top of the Vertex
cabinet.