APSA–365 Ambient SO2 monitor High–sensitivity type employs Ultra Violet Fluorescence method. Aromatic hydrocarbon cutter is built in to reduce interferential components. It enables 0.1ppb at lower detectable limit according to unique detective and optical parts construction employment.
Measurement component | Sulfur dioxide in ambient air |
Measurement principle | Ultra Violet Fluorescence |
Measurement range | 0∼10⁄20⁄50⁄100ppb |
Lower detectable limit | 0.1ppb (2σ) |
Repeatability | ±2.0% of F.S. |
Linearity | ±2.0% of F.S. |
Zero drift | 10ppb range: ±2.0% of F.S.⁄day over 20ppb range: ±1.0% of F.S.⁄day |
Span drift | ±2.0% of F.S.⁄day |
Response time(T90) | 180 sec. or less |
Sample gas flow rate | approx. 0.8L⁄min |
Operation gas | None |
Indication | Measuring value, alarm |
Alarm | Calibration error, Battery error, Flow rate error, Pressure error, temperature error in converter, etc. |
Input ⁄ Output |
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Temperature⁄Humidity | 5∼35°C 85% or less |
Power | AC100V 50⁄60Hz |
Power consumption | 150VA |
Dimension | 430(W)×550(D)×221(H) mm |
Mass | 20kg |
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