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Hangzhou Chunlai Technology Co., Ltd.
zetian/in-situ laser gas analyzer/TDLAS/industrial process/LGT-100/iron making, steel making, coking, refining, petrochemical, flue gas, cement, thermal power

zetian/in-situ laser gas analyzer/TDLAS/industrial process/LGT-100/iron making, steel making, coking, refining, petrochemical, flue gas, cement, thermal power

Product catalog summary

Overview
The LGT-100 is a flameproof tunable laser gas analyzer designed for industrial online analysis and environmental monitoring. It can analyze gases such as O₂, CO, NH₃, CO₂, CH₄, H₂O, HCl, HF, and others under complex conditions. The system comprises a transmitter, receiver, and connection box.

System Composition
The transmitter emits laser wavelengths that pass through the environment to be measured and are received by the receiver, which performs photoelectric conversion and data analysis. The connection box facilitates power and signal cable connections.

Features

Easy optical path adjustment with non-coupling in XY directions.
Low drift with a maintenance period of ≤ 1% F.S./half year.
Single line spectrum technology minimizes background gas interference.
Integrated flameproof design reduces purge gas consumption.
In-situ measurement eliminates the need for a pretreatment system, reducing costs.

Technical Specifications

Optical Channel Length: ≤20m
Linearity Error: ≤±1% F.S.
Repeatability: ≤1%
Span and Zero Drift: ≤±1% F.S./half year
Maintenance and Calibration Cycle: ≤2 times/year
Protection Type: ExdIICT6 Gb
Enclosure Rating: IP66
Response Time (T₉₀): ≤1s

Interface and Operating Conditions

Analog Output: 2× 4-20mA (Isolation, max load 750Ω)
Digital Output: RS485/RS232/GPRS
Relay Output: 2 (24V, 1A)
Power Supply: 24VDC, <20W
Purge Gas: 0.3MPa～0.8MPa industrial nitrogen or purified air
Ambient Temperature: -20℃～＋60℃

Installation
The LGT-100 is installed in-situ with adjustable flanges and requires minimal maintenance. It includes a comprehensive self-diagnosis function for easy troubleshooting.

Catalog excerpts

LGT-100 Laser Gas Analyzer LGT-100 is a flameproof tunable laser gas analyzer for industrial online analysis and environmental on-line monitoring, which can in-situ analyze O 2, CO, NH 3, CO 2, CH 4, H 2O, HCl, HF and other gases in various complex conditions. It consists of transmitter, receiver and connection box. The transmitter drives the tunable diode to emit laser of certain wavelengths, which passes through the environment to be measured, then reaches the receiver. The receiver performs photoelectricity conversion, signal processing and spectrum data analysis to obtain the measuring result. The connection box contains I/O interface, making the connection of power cable and signal cable convenient. System Composition Light path adjustment seat Light path adjustment seat Receiver Process pipeline Globe valve Protective gas inlet Protective Globe valve gas inlet optical path adjusting, XY direction non-coupling adjusting. drift, long maintenance period, drift ≤ ±1%F.S./half year. "Single line" spectrum technology, free from interference of background gas. Integrated structure design, high stability and reliability. Integrated flameproof structure, consuming less purge gas compared with positive-pressure mode. In-situ measurement without pretreatment system avoids adsorption, blockage and damage, reduces cost. Easy Maintenance Strong Anti-Interference Capability Modular design, laser module field replaceable, easy maintenance Adopting wavelength-modulation-spectroscopy allows better signal/noise ration & anti-interference capability of dust and background gas.

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LGT-100 Laser Gas Analyzer Easy Optical Path Adjusting Self Diagnose Function XY direction non-coupling adjusting, easy adjusting Comprehensive self diagnose function, records and saves alarm information, easy to check Adjusting flange Instrument flange Adjusting tool Specification Parameter Technical Indicators Optical Channel Length Linearity Error Span Drift Zero Drift Maintenance Cycle Calibration Cycle Enclosure Rating Interface Signal Analog Output Analog Input 2× 4-20mA input(temp. and press. compensation) Digital Output Relay Output Operating Conditions Power Supply 0.3MPa～0.8MPa industrial...

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