Industrial Automation Magazine India

NO, SO₂, CO₂, CO, CH₄, N₂O: Non-dispersive infrared sensor
O₂: built-in paramagnetic sensor or external zirconia sensor (ZFK7, optional)

1 component: NO, SO₂,CO₂, CO, CH₄, N₂O
2 components: NO + SO₂, NO + CO, CO₂ + CO, N₂O + CO₂
3 components: NO + SO₂ + CO, NO + N₂O + CO₂, SO₂ + N₂O + CO_2, N₂O + CO₂ + CO, CH₄ + N₂O + CO₂
4 components: NO + SO₂ + CO₂ + CO , NO + SO₂ + N₂O + CO₂
O₂ measurement can be added to above all.

NO: 0–50 ppm…5000 ppm
SO₂: 0–50 ppm…10%
CO₂: 0–20 ppm…100%
CO: 0–50 ppm…100%
CH₄: 0–200 ppm…100%
N₂O: 0–200 ppm…2000 ppm
O₂: 0–5%…25%

±0.5% FS (±1% FS for 50 ppm or less)

≥ 200 ppm range: ±1% FS per week
50–200 ppm range: ±2% FS per week
≤ 50 ppm range: ±2% FS per day

≤ ±2% FS per week
(50 ppm or less: ±2.0% FS per day)

±1% FS

≤ 60 s (for 90% response) at a sample gas flow rate of 0.5 L/min

4–20 mA DC or 0–1 V DC
(instantaneous values, O₂-corrected instantaneous values, O₂-corrected average values, O₂ average) 

Instrument error, calibration error, range identification, auto calibration status, pump ON/OFF, peak alarm, high/low limit alarm, power disconnection alarm

Remote range switch, auto calibration remote start, remote holding, average value resetting, pump ON/OFF

Auto calibration, O₂ correction, O₂ average, CO peak count and alarm, etc.

-5 to +45°C, RH 90% or less

100–240 V AC, 50/60 Hz, 250 VA

483 (H) × 177 (W) × 600 (D) mm

0–50°C

0.5 L/min ±0.2 L/min

≤ 10 kPa (gas outlet should be open to the atmospheric air)

≤ 100 μg/Nm³ with particle size ≤ 1 μm

Unallowable

Below the saturation vapor density at 2°C (Non condensing)

≤ 1 ppm