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LGA-100 Laser Gas Analyzer
LGA-100 Laser Gas Analyzer
LGA-100 In-situ Gas Analyzer is a flameproof in-situ probe-type tunable laser gas analyzer for industrial online analysis and environmental on-line monitoring. It can online analyze O2, CO, NH3, CO2, CH4, H2O, HCl, HF and other gases in various complex conditions.
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LGA-100 In-situ Gas Analyzer is a flameproof in-situ probe-type tunable laser gas analyzer for industrial online analysis and environmental on-line monitoring. It can online analyze O2, CO, NH3, CO2, CH4, H2O, HCl, HF and other gases in various complex conditions (NOTE: a single analyzer can only analyze 1~2 components). The measuring concentration ranges from constant to trace. The analyzer has advantages of low detection limit, high sensitivity, and fast detection speed.


• Converter gas recovery gas analysis;

• CDQ circulating gas analysis;

• Oxygen measuring electric fishing coke oven gas after analysis;

• Pulverized coal injection gas analysis;

• Ammonia escaping gas analysis in the cement industry;

• Trace CO detection and analysis in cement, environmental protection industry;

• HCl and HF trace analysis in environmental protection and chemical industry


The LGA-100 has an integrated structure, and its main functional modules are composed of a transmitting & receiving unit, and measuring unit. The transmitting unit mainly drives the semiconductor laser to emit laser light. The emitted laser light passes through the measured gas, and the receiving unit proceed the photoelectric conversion, signal processing, spectral data analysis, and obtain the measuring data.

安装图-英文

结构图英文

Measuring principle:

TDLAS

Light source:

Semiconductor laser (imported)

Response time:

≤1s(T90)

Linearity error:

≤±1%F.S.

Repeatability:

≤1%

Zero drift:

≤ ±1%F.S./ 6 months

Span drift:

≤ ±1%F.S./ 6 months

Calibration period:

≤2 times/ yr

Sample gas temperature:

≤350 °C

Sample gas pressure:

0.7bar~2bar, adjustable

Water vapor content:

No condensation water

Ambient temperature:

-20°C~60°C

Ambient humidity:

≤90% RH

Purge gas:

0.3MPa ~ 0.8MPa nitrogen gas

Certificates：

ATEX, IECEx, CE

Explosion proof：

ExdIICT6 Gb

Protection grade:

IP66

Analog output:

2× 4-20mA, Maximum 500Ω

Digital output:

2× Digital output

Communication interface:

RS485/RS232/GPRS

Power supply:

24VDC, <20W