The Application:
The Zircon dioxide sensor of the High temperature Flue gas probe AMS 3211-600 is installed in the
flange of the probe. To supply the flue gas to the Zircon dioxide sensor the probe is equipped with a
pneumatic pump. The Flue gas probe AMS 3211-600 can be used for the measurement of Oxygen in
flue gases from gaseous, liquid and solid fuels and biomass. In Applications with solid fuels and
biomass the Standard In-Line Flue gas probe AMS 3211-600 is equipped with an additional Stainless
steel tube to protect the probe against abrasion. In combination with the Transmitter AMS 3220 the
High temperature Flue gas probe AMS 3211-600 is TÜV-certified according European and German
environmental regulations and fulfils the requirements for QAL 1 according EN 14181 and EN ISO
14956.
The Measuring principle:
All AMS Flue gas probes are equipped with Zircon dioxide sensors with Platinum electrodes which
distinguish themselves by a long lifetime in the process. The Zircon dioxide sensor of the High
temperature Flue gas probe AMS 3211-600 is installed in the flange of the probe to reduce the thermal
load on the sensor. To supply the flue gas to the Zircon dioxide sensor the probe is equipped with a
pneumatic pump. To operate the pneumatic pump of the Flue gas probe it has to be connected to a
continuous instrument air supply with a pressure of 2 – 6 bar (g). Due to the unique design the Flue
gas probe AMS 3211-600 can be operated in temperatures up to 1700 °C. The pneumatic suction of
the flue gas allows the use of the High temperature Flue gas probe AMS 3211-600 even in ducts with
large diameters. To replace the Zircon dioxide sensor of the High temperature Flue gas probe AMS
3211-600 the probe does not have to be dismounted from the duct.
The Measuring system:
The High temperature Flue gas probe AMS 3211-600 can be operated with the Transmitters AMS
3220 or AMS 5200 and a Pneumatic unit. The Pneumatic unit is fitted with all necessary regulation
and control instruments for the high-pressure air supply for the pneumatic pump. The power supply of
the Flue gas probe and the Transmitter is also installed in the Pneumatic unit. The flue gas probe, the
Transmitter and the Pneumatic unit are manufactured according to the protection class IP 65 for
General Applications. Since all AMS Flue gas probes are manufactured according to customer
specification, the selection of the probe material as well as dimensions and sizes can be made fitting
to any application. Optional the High temperature Flue gas probe AMS 3211-600 can be equipped
with time controlled back purge for high dust applications and with Auto-calibration for the automatic,
time controlled calibration. To replace an already existing continuous oxygen measuring system the
High temperature Flue gas probe AMS 3211-600 can be fitted with all flange sizes both in DIN and
ANSI dimensions.