LGT-180 Laser Gas Analyzer(Panel Mounted)

Description

LGT-180 online gas analyzer is a 19″ panel mounted type tunable laser gas analyzer for industrial online analysis and environmental on-line monitoring. The analyzers combine TDLAS technology and multiple reflection long optical path technology that can analysis a variety of gas including O2 , CO2, NH3 , H2S, CO , CH4 , H2O. Reflected light can be customized according to the working condition demand, the measured gas concentration ranges from constants to the trace.

System Configuration

Transmitter, receiver and gas cell are integrated into a 19″ 3U chassis. Analyzer can be panel mounted in a 19″ cabinet.Sample gas is filtered and dewatered through probe. Then in the gas cell, it is exposed to laser emitted from the transmitter. The receiver calculates the gas concentration from the spectrum received.

 System Configuration

Transmitter, receiver and gas cell are integrated into a 19″ 3U chassis. Analyzer can be panel mounted in a 19″ cabinet.Sample gas is filtered and dewatered through probe. Then in the gas cell, it is exposed to laser emitted from the transmitter. The receiver calculates the gas concentration from the spectrum received.


Technical Characteristics

  • High selectivity

TDLAS is high resolution spectrum technology, due to the “fingerprint” characteristics of the spectrum, it is not affected

by the interference of other gases. This feature compared with other methods molecularhas obvious advantages

  • High versatility

TDLAS is an effective general technology to all activist withinfrared absorption. Only need to change laser and standard
gas, the same instruments can be convenient to measure the other components. Based on this characteristic, it can be
easily changed to multi-component measurement instrument.

  • High sensitivity

TDLAS has the advantages of rapid response speed and high sensitivity. In the case of not losing sensitivity, its time
resolution can be found in ms level.

Features

—Compact structure, easy integration

19″ standard 3U panel chassis, modular design, easy integration with other instruments.

—Strong anti-interference capability, high precision, small drift

Adopting wavelength-modulation-spectroscopy allows better anti-interference capability of background gas and higher
reliability.

—Low detection limit, high sensitivity

Multi-reflection technology achieves optical path up to 25m, improving detection limit greatly. The sensitivity can reach ppm level or even ppb level for some components.

—Excellent adaptability
For applications in corrosive environment, all parts of LGT-180 exposed to sample gas are made of corrosion-resistant material. System adopts the sampling measurement method. It can be directly installed in the process pipe to sample, process and analyze, no moving parts, high reliability.

Spesification

Response Time≤5s (T90)
Linear Error≤ ±1%F.S.
Span Drift≤ ±1% F.S./ half year
Calibration Cycle≤2 times/ year
Type Of ProtectionExdIICT6 GB
Analog Output2×4-20mA output
Analog Input2×4-20mA input
Digital CommunicationsRS485/RS232/GPRS
Working Temp.-20℃~+60℃
Purge gas0.3MPa ~ 0.8MPa N2, clean air

Features

  • 19 inches 3U panel mounted chassis, exquisite construction
  • TDLAS eliminates cross-interference of background gases
  • Multiple return optical path up to 25 meters, obviously lower detection limit
  • No optical moving parts, high reliability, not affected by field vibration

Application

Apply to gas analysis of metallurgical furnaces, petrochemical chemical refining, urea chlor-alkali manufacturing process, industrial flue gas deNOx, waste incineration, and process control of cement production combustion thermal combustion.

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