Ankersmid Sampling AHL Series Benutzerhandbuch - Seite 6
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Description
The central element of the heated hose is the inner tube or hose core through which the
fluid flows. It is made of high-grade PTFE (as standard, also available is PFA, stainless steel)
with a smooth surface. Any integrated fittings are moulded into the hose structure with a
defined pressure and time period. The heating system consists of high-grade heat conductor
alloys combined with different insulating materials depending on temperature. The thermal
insulation is adapted to the temperature range and the specific heated hose type, and
finished on both sides with temperature resistant connection caps. The entire heated hose is
designed in such a way that the high flexibility of the pressure hose or the bending potential
of the tube is hardly affected.
The heated sample lines are manufactured according to the client's specification and
completely confectioned in the factory at a fixed length.
Two different types of heated lines are available:
1)
Regulated heated lines.
The sample line temperature is to be controlled by a Pt100 temperature controller.
The heater used in this type is ONE serial resistance, twisted around the tube. Due to
this construction we eliminate the occurrence of cold zones or spots in the heated line,
where a potential blockage could occur.
2)
Self-limiting heated lines.
The heating element used in this type of heated line is an auto-regulated ribbon. The
heated line is secured closely to the sample carrier tube, thus eliminating the
occurrence of cold zones or spots in the heated line, and therefore also eliminating the
incidence of potential blockage.
The use of a heated line is shown in below standard flow chart:
Gas sample probe
Heated sample line
Figure 2 Standard flow chart of a heated gas sample line
Ankersmid Sampling
Neerlandweg 21
2610 Wilrijk
Belgium
Universal filter
Gas cooler
Peristaltic pump for
condensate removal
User Manual AHL, Edition 09/2016
www.ankersmidsampling.com
Page 6 of 18
Analyser
Diaphragm gas pump
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Technical Details Subject to Change