● SO2 and NO use UV differential spectroscopy. Compared with traditional NDIR,the measurement accuracy is not affected by moisture and dust, and there is basicallyno zero drift.
● Using a high-resolution spectrometer for spectral analysis, the instrument has a verylow detection limit.
● The internal temperature control precision of the instrument is high, and theenvironmental adaptability is good.
● The light source adopts high stability deuterium lamp, and the instrument has goodstability.
● No optical moving parts, no cutting wheel, filter wheel, interferometer and otheroptical moving parts, highly reliable.
● Modular design, light source, spectrometer, core circuit, gas chamber, oxygensensor, etc. adopt modular design, with high reliability, good scalability and easymaintenance.
PARAMETER SPECIFICATION
Measuring range SO2 0～50）mg/m3，can be customized
Measuring range NO （0～50）mg/m3，can be customized
Measuring range O2 （0～25）%
Linear error ≤ ±1%FS
Indication error ≤ ±5%
Repeatability ≤ 2%
Stability ≤ 5%
Utmost flow 3L/min
Zero drift ±1%FS
Span drift ±1%FS
Working temperature （5～40）℃
Response time ≤ 60s
Power supply 220VAC，120W
Preheating time ≥60min
Gas flow range 1.5L/min±0.5L/min
Gas pressure range Present environmental pressure ±10000Pa
Gas humidity range <95%RH
Tianjin Zwinsoft Technology Co., Ltd
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