LGA-4100A Laser Online Gas Analysis System (In-Situ Model)

LGA-4100A Laser Online Gas Analysis System (In-Situ Model)

Introduction 

The Process Gas Analysis System of LGA-4000 series (In-Situ model), based on the technology of the diode laser absorption spectroscopy (DLAS),

 is the gas laser analysis system with integrated design and high integration. 

The system, by in-situ measurement that needs no sampling pretreatment, is able to rapidly, accurately and 

reliably measure various industrial process gases 

and flue gases emitted for environmental protection, to provide the best solution for the on-line gas monitoring in various industries.

Feature

1. Laser In-Situ measurement, rapid response, high measurement precision;

2. Integrated positive pressure explosion-proof design, safe and reliable;

3. Modular design, with the possibility to renew all functional modules on site, easy to maintain;

4. High intelligent interface, easy to operate.

The transmitting unit of the Process Gas Laser Analysis System of LGA-4000 series (In-Situ model), 

consisting of the man-machine interface, the laser drive module, the central processing module, the diode laser and other

 modules, mainly realizes diode laser driving, spectral data processing, humancomputer interaction

 and other functions. 

The receiver units, consisting of the photoelectric sensor, the signal processing module, the positive 

control module and other modules, mainly realizes signal processing, power control and other 

functions. 

Technical Parameter

Technical indexes

Linearity error:       ≤±1%F.S.

Span drift:            ≤±1%F.S./half-year

Repeatability:        ≤±1%F.S.

Explosion-proof grade: Expxmbd llC T5

Protection grade:     IP65

Response time

Warm-up time:       ≤15Min

Response time:      ≤1s (T90)

Interface signals

Analog output: 2-path 4-20mA, isolation, maximum load of 750 ohm

Relay output:  3-path relays, 24V, 1A

Analog input:  2-path 4-20mA (used for temperature and pressure compensation)

Digital communication:   RS485 (RS232 or GPRS optional)

Electrical characteristics

Power supply: 24V DC (18-36V DC), 220V AC may be selected

Power consumption: < 20W

EMC: IEC 61000-4-2 IEC 61000-4-4   IEC 61000-4-5

Electrical safety: IEC 61010-1

Operation conditions

Work environment temperature: -30°C~60°C

Storage temperature: -40°C~80°C

Purging gas: 0.3~0.8MPa industrial nitrogen (99.99% purity for low range O2) or instrument air 

(without oil and water)

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