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Home ⊙ NEWS ⊙ ABB EasyLine Continuous Gas Analyzer EL3020 Impact Effects
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ABB EasyLine Continuous Gas Analyzer EL3020 Impact Effects

From:ABB | author:Mr.Chen | Time :2025-06-10 | 41 view: | Share:

Measurement principle

Non-dispersive infrared absorption photometers in the λ = 2.5-8 µm wavelength range can 

measure up to 4 compositions using 1 or 2 beam paths and 1 or 2 receivers per beam path in one gas path or two independent gas paths.

Measure up to 4 components in one gas path or two independent gas paths with 1 or 2 receivers per beam path.

Impact Effects

Flow rate effects

Flow rates in the range of 20-100 liters/hour: within the detection range

Correlated gas effects/cross sensitivity

Analyzer configuration must be aware of sample gas composition.

Selective measures to reduce associated gas effects (optional): Installation of interference filters or filter units,

internal electronic cross-sensitivity correction of one sample component by other sample components measured by the gas analyzer.

Temperature effects

Ambient temperature within the permissible range

- At zero point: ≤ 2 % of range per 10 °C - At sensitivity without thermostat:

≤ 3 % of the measured value per 10 °C - Sensitivity with thermostat (optional):

Sensitivity with thermostat (optional): ≤ 2 % of measured value per 10 °C

Thermostat temperature = 55 °C

Barometric influences - At zero point: No influence - Sensitivity during pressure correction by means of integral pressure sensor

Per 1 % barometric pressure change: ≤ 0.2 % of measured value

Barometric pressure variation

If a hose is used for the internal gas line, the pressure sensor is located in the sampling gas line.

If a hose is used for the internal gas line, the pressure sensor is routed externally through the hose.

Operating range of the pressure sensor: pabs = 600-1250 hPa

Power supply influences

Voltage and frequency within the permissible range: no effect

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