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Measuring items: Sulfur Dioxide(SO₂) in ambient air
Measuring method: Ultraviolet fluorescent method (UVF)
Ranges: 0 - 0.1, 0 - 0.5, 0 - 1ppm (selectable)
Lower Detectable Limit: Less than 0.5ppb
Repeatability: within ±1% of span gas concentration
Zero drift: Less than 1 ppb
Span drift: within ±1 % / full scale (1 day)
Response time(95%): Less than 120 seconds (T95)
Linearity: within ±1 %/full scale
Precision: within 1 % of reading or 1 ppb
Ambient temperature: 5 - 40°C
Analog output: 0 - 5V, 0 - 1V, 4-20mA (option)
Sample flow rate: Stabilized flow control by 700cc/min Critical Orifice
Particulate filter: 47mm Teflon Filter
Display: 7-inch Graphic LCD
Comport: Ethernet, USB 2.0, RS-232C, RS-485
Power requirement: 220VAC/60Hz or 230VAC/50Hz
Internal data memory: Measuring data (5min / 1year), Operation history, Messages, Alert
