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Endura AZ20/AZ25 Oxygen Monitor Combustion gas analysis
ABB 氧化锆分析仪 AZ25 AZ20 产品简介
Introduction
The Endura AZ20 is the latest in a long line of high-quality, combustion gas analyzers from ABB.
The sensor, based on a zirconium oxide cell, is mounted at the tip of the probe that is inserted in the flue duct. The resulting direct, in situ measurement provides accurate and rapid oxygen reading for combustion control / optimization and emissions monitoring purposes.
Endura AZ20 has been designed for extended periods of maintenance-free operation. The modular design with reduced component count improves the reliability and robustness of the system and simplifies breakdown repair if it occurs.
The Endura AZ20 oxygen probe measures oxygen concentration in flue gas using an in situ 'wet analysis' method. The 'wet analysis' method avoids measurement error (typically20% of reading higher than the actual value) that is introduced by a sampling system using the 'dry analysis' method.
For customers with an existing installed ZFG2 probe with a ZMT or ZDT transmitter, a 55 V heater version of the Endura AZ20probe (the Endura AZ20 / ZFG2 replacement probe) is available.
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An output generated at the zirconia cell is processed in the transmitter giving a locally displayed O2 reading and a 4 to 20mA retransmission signal over any range between 0 % and 100% O2.
Optional automatic calibration (AutoCal*) enables automatic,semi-automatic or manual calibration to be performed using a probe-mounted gas control manifold mounted within the probehead. Calibration sequencing is software-controlled from thetransmitter.
Introduction
The Endura AZ25 combustion oxygen analyzer is the latest ina long line of high-quality, combustion gas analyzers fromABB. The AZ25 is designed to measure oxygen concentrationin high temperature furnace atmospheres.
The sensor, based on a zirconium oxide cell, is mounted at thetip of the probe that is inserted directly into the furnace. Theresulting direct, in-situ measurement provides an accurate andrapid oxygen reading, for combustion control / optimizationand process quality control purposes.
Unique integrated automatic calibration
The Endura AZ25 automatic calibration system eliminates theneed for the expensive ancillary equipment required forautomatic calibration on traditional flue gas oxygen analyzersystems. ABB’s fully integrated, automatic calibration feature
controls the test gas sequence and detects test gasavailability, eliminating incorrect calibrations due to loss of testgas. Integrated automatic calibration secures the oxygenmeasurement, providing complete confidence in the analyzer's
performance.
Long-term operation without technician intervention minimizesoperating costs, total cost-of-ownership and optimizes systemaccuracy. A significant proportion of service visits to ananalyzer result in 'no fault found'. Endura AZ25's high-quality
manufacture, advanced diagnostics and automatic calibrationis targeted at reducing this wasted effort and cost.
Dependable
— measurement of O2 in a wide variety of processes
— virtually instantaneous response
— resistance to sulphurous reducing atmospheres
Low cost-of-ownership
— in situ measurement
— no sampling system required
— automatic calibration functionality as standard
— optional automatic calibration hardware
Applications
— Furnace atmosphere monitoring:
— Annealing furnace
— Sintering of metals
— Ferrite sintering
— Whiteheart malleablizing
— Combustion measurement and control in:
—Soaking pits
—Process heaters
—Fluidized bed boilers
—High temperature incinerators
— All other combustion processes where the flue gastemperature is in excess of 600 °C (1112 °F)
Recrystallized alumina
Suitable for applications with temperatures up to 1400 °C(2552 °F) resistant to corrosive chemicals and more severemechanical and thermal stress are present.
Incoloy 800
Suitable for applications with temperatures up to 850 °C
(1562 °F) when mounted horizontally and up to 1000 °C
(1832 °F) when mounted vertically.
Offering limited resistance to corrosive chemicals and resistantmechanical and thermal stress.
爱泽工业(IZE_INDUSTRIES)销售型号示例：
ABB 氧化锆分析仪AZ25/.1.1.2.1.1.5.3.1.2.0.0.0.0 /STD
ABB 氧化锆分析仪AZ25/.1.1.2.1.1.5.1.1.1.1.0.0.0.0
ABB 氧化锆分析仪AZ25/.1.1.2.1.1.5.1.1.1.1.0.0.0.0.E./STD
ABB 氧化锆分析仪AZ25/.1.1.2.1.1.5.3.1.2.0.0.0.0.E.Z.J/STD
ABB 氧化锆分析仪AZ20/112112225111100C/STD
ABB 氧化锆分析仪AZ20/1.2.2.2.1.2.2.3.3.7.1.1.2.E
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