Product Announcement from Focused Photonics (Hangzhou), Inc.

Laser Gas Analyzer (Extractive Model) LGA-4500-Image

The Process Gas Laser Analysis System of LGA-4500 series (Extractive Model), the extractive process gas analysis product based on the technology of diode absorption spectroscopy (DLAS), is able to make on-line analysis on carious process gases with high dust or high pressure after the extractive treatment and is with such features as strong adaptability and high reliability.

Product Features

  • Laser extractive measurement, high measurement accuracy, strong anti-interference ability
  • Optical non-contact detection, with the ability to direct measure gas with high temperature and strong corrosion
  • Simple and reliable extractive treatment equipment, with the possibility to be directly installed at the process pipeline
  • While system explosion-proof, supporting the automatic compensation of gas temperature and pressure

Technical Specifications

Technical indexes

Linearity error: ≤±1%F.S.

Span drift: ≤±1%F.S./half-year

Repeatability: ≤±1%F.S.

Explosion-proof grade: Expxdia llC T5

Protection grade: IP65

Response time

Warm-up time: ≤15Min

Response time: ≤5s (T90)

Interface signals

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

Relay output: 3-path relays, 24V, 1A

Digital communication: RS485 (RS232 or GPRS optional)

Electrical characteristics

Power supply: 100-240V AC/48-63Hz

Power consumption: < 15W (with no heat tracing)

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

Electrical safety: IEC 61010-1

Fuse: 250V AC/1A

Sample gas's conditions

Sample gas's pressure: 0.5-3 bar (absolute pressure)

Sample gas's temperature: -30°C~140°C

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)

Parameters of Measured Gases

Gas

Detection limit

Measuring range

O2

100ppm

(0-1)%vol, (0-100)%vol.

CO

0.6ppm

(0-60) ppm, (0-100)%vol.

CO2

1.4ppm

(0-140)ppm , (0-100)%vol.

H2O

0.3ppm

(0-30) ppm, (0-100)%vol.

H2S

20ppm

(0-2000)ppm, (0-100)%vol.

HF

0.02ppm

(0-2)ppm, (0-10000)ppm.

HCL

0.1ppm

(0-10)ppm, (0-100)%vol.

HCN

0.3ppm

(0-30)ppm, (0-1)%vol.

NH3

0.2ppm

(0-20)ppm, (0-100)%vol.

CH4

0.4ppm

(0-40)ppm, (0-100)%vol.

C2H2

0.1ppm

(0-10)ppm, (0-100)%vol.

C2H4

0.6ppm

(0-60)ppm, (0-100)%vol.

CH3L

0.6ppm

(0-60 ppm, (0-100)%vol.

Notes:1,Consult FPI for alternative gases and ranges.

2,Detection limit refers to below conditions:20°C, 1 atm,1 meter optical path.

 
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