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10.1
Principle of Operation
The Pyrolyzer Module XT is an add-on module for monitoring gases requiring pyrolytic sample
preparation for detectability. It requires both, a Satellite XT and an Extractive Module XT.
The connected Satellite XT displays the module's status of operation and provides the digital
interface.
Each instrument is only configured for monitoring the substance specified on the identification
label. The instrument is delivered with a certain sensor installed. Reference for assignment of
instrument and sensor is the serial number. These data are also documented in the Certificate
of Quality Control provided with the shipment. Instrument and sensor have been gas calibrated
and these specific calibration parameters are stored in the integrated data memory of sensor
and instrument.
Make sure to use only sensors for the substance specified on the module's identification label.
Use only sensors designed for use with the Pyrolyzer Module XT.
The Pyrolyzer Module XT is powered by a wide range power supply. The module contains
a diagnosis for electronics and filament. The filament voltage is factory set and saved in the
instrument. If there is a problem with the Pyrolyzer Module XT, the display of the Satellite XT
reads FAULT PYROLYZER. Information on fault messages and instructions on how to correct
a fault condition, are provided in Section 7, Troubleshooting.
10.2
General Instructions
Listed hereafter are several aspects that should be reflected when locating monitoring point
and instrument. When placing the sampling point , the property (lighter or heavier than air)
of the target gas must be considered. The instrument should be mounted as close to the
monitoring location as possible to minimize sample transport time. The area immediately
surrounding the sample inlet at the monitoring point must be free from objects that might
hinder free flow of air. The instrument should be installed away from any possible liquid
sources, extreme dust and dirt sources and should be protected against rain and sunlight.
The instrument must be mounted in an upright position. The ventilation apertures on top
and rear of the the housing must not be covered. The instrument must be easily accessable
for operation and there must be sufficient space above the instrument to allow sensor
replacement or to open the housing for maintenance purposes.
The sample line should be run as direct as possible to improve transport time. Avoid running
the sample line through areas of great temperature extremes. The sample outlet must be
connected to an exhaust line and must be properly vented. Both, sample and exhaust tubing
must not be crimped or placed in an area where weight could collapse the tubing.
10.3
Safety Instructions
Always disconnect the Pyrolyzer Module XT from mains power before you open the housing.
The vents on top and rear of the instrument must not be covered. Do not enter any tapered or
sharp items into the vents.
Use isopropanol and a soft cloth to clean the housing. Do not use any aggressive detergents.
Never use compressed air to clean the tubing when connected to the instrument. This will
destroy the internal pressure switch.
WARNING: The Pyrolyzer Module XT will not respond to the target gas in conditions of
less than 20 % r.h. Observe the specified operating conditions for humidity.
Satellite XT R Version
Pyrolyzer Module XT - Section 10
10-1
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