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Function
Measure Range: SO₂: 0–50 ppm; NO: 0–100 ppm; O₂: 0–30 % VOL
Principle: DOAS (SO₂, NO); ECD (O₂)
Accuracy: ±2 % F.S.
Resolution: 1 ppm / 0.1 % VOL
Repeatability: 2 %
Zero Drift: ±2 % / 7 days
Span Drift: ±2 % / 7 days
Response Time: ≤45 s (T90)
Operating Temperature: 0 °C – 40 °C
Warm-up Time: ≤30 mins
Electric
Display: Color LCD 800 × 480
Power Supply: 220 VAC / 50 Hz
Power Consumption: ≤100 W
Signal Input: 4–20 mA, digital relays
Signal Output: 4–20 mA, RS485, 8 relays
Sampling
Flow Rate: 0.5 L/min
Humidity: 0–95 % RH
Oil Mist / Other Mist: <2.0 mg/m³ (filter is required if over 2.0 mg/m³)
Solid Particles: <2.0 mg/m³ (filter is required if over 2.0 mg/m³)
Structure
Connection: 1 pc CEE power socket; 2 pcs DB25 signal output; 1 pc RS485 DB9 adaptor; φ6 gas inlet; φ6 gas outlet
Body Material: Carbon steel
Dimensions: 490 × 180 × 430 mm (H × W × D)
Weight: About 13.8 kg
Certificate
EX: 2018CA0067-32
SIL: SIL2
