Laser gas analyzer LGA Series
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LGA series PROCESS LASER GAS ANALYSIS SYSTEM Focused Photonics (HangZhou) Inc. 760 Bin'an Road, Binjiang District Hangzhou 310052 China Tel: +86 571 8501 2188 Fax: +86 571 8679 1505 Copyright reserved. Specifications and designs are subject to change without prior notice

LGA series PROCESS LASER GAS ANALYSIS SYSTEM Utilizing proprietary technologies of Tunable Diode Laser Absorption Spectroscopy (TDLAS), FPI delivers the LGA system to satisfy in-situ measurements with high accuracy, fast response, strong reliability and virtually maintenance free. The LGA system is applicable to almost all industrial process, especially well proven in harsh conditions in combination of high temperature, pressure, dust, corrosives and contaminants. Leveraging an installed base of over 8,000 units, the LGA system has been extensively used for combustion and safety control,...

ITEM LGA LASER SYSTEM CONVENTIONAL ONLINE ANALYSIS Applicable to high temperature, pressure, moisture, dust density and corrosion Applicable to constant temperature, pressure and dust free In-situ, continuous/real-time measurement; sample gas evacuation free With sample conditioning system, discontinuous measurement Response Time Fast, only limited by electronics response, less than 1 sec Slow, limited by gas sampling, transport, and instrument electronics response 20+sec TECHNICAL PRINCIPLE Accuracy Average concentration along the optical path; no cross interference from other gas species,...

Technical Data i Mounting Nut Receiver Unit Features and Benefits ■ In-situ, no gas sampling ■ No cross interference ■ Fast response less than one second ■ D iverse optical length (0.5~20m) ■ Reliable in all harsh conditions: high temperature & pressure, dust density, moisture and corrosion ■ Online calibration, no zero drift ■ Thousands of tailor-made solutions for various applications ■ International ATEX certified Large Aperture Optics 4-20mA Input 4-20mA Output Relay Output RS485 24V Power Supply Specifications Repeatability: < ± 1%F.S. Linearity: < ± 1%F.S. Span drift: < ± 1%F.S./6...

Technical Data LGA-4500 Bypass Specifications Repeatability: ≤± 1%F.S. Linearity: ≤± 1%F.S. Span drift: ≤± 1%F.S./6 months Instrument response time: ≤1s* Warm-up time: ≤15min Gas cell temperature: -30°C to +250°C Gas cell pressure: 0.5 to 3 bar abs. LGA Composition Transmitting Unit Receiver Unit *Gas flow>1L/min, system response time: T90≤20s. Input & Outputs Analog outputs: 2 outputs 4-20mA, max. load 750Ω, electrically isolated Relay outputs: 3 outputs 24V DC/1A Communications: RS485(or Bluetooth, RS232 or GPRS ) Receiving Probe Transmitting Probe Gas Outlet 4~20mA Output Relay Output...

Technical Data LGA-4500IC Trace Level Features and Benefits ■ Drift free, Maintenance free ■ Accurate, real-time measurement ■ No tape, No carrier gas, No light source or probe replacement ■ No interference from glycol, methanol or amine ■ Reliable in harsh conditions ■ ATEX certified Application Areas ■ HO, HS in natural gas ■ Trace level H2O, H2S in chemicals Gas Detection Lim i t Measurement Range Specifications (HO) Repeatability:< ±1%F.S. Linearity: < ± 1%F.S. Span drift:< ±1%F.S./6 months Instrument response time:<1s* Warm-up time:<15min Suggested gas flow: 1-5L/min *Gas flow...

Technical Data LGA-C300 Calorific Value LGA Composition Features and Benefits ■ Integrated and compact ■ S imultaneous and continuous multiple fuel compositions (CO, CO2, CH4, H2) analysis ■ Low cost ownership and operation ■ Reliable in harsh conditions Application Areas ■ Calorific value analysis in iron&steel ■ Syngas analysis Sampling Line CO: 0-100%* Co: 0-100%* CH4: 0-100%* H2: 0-100%* * Measurement ranges (percentage) customizable on request. Specifications Repeatability: <±1% F.S. Span drift: <±2% F.S./3 months Instrument response time: <1s* * Gas flow>1L/min, system response time:...

Iron & Steel FPI Process Gas measurement in Iron & Steel Gas Process Measuring Position Typical RangeMeasured Measuring Purpose Sintering, Pelletizing O2 CO CO2 HO Fuel Calorific O2 CO CO2 HO Fuel Calorific Coal Injection Safety Control Combustion Optimizing, Energy Saving LGA-4100 Combustion End-point Monitoring LGA-4100 Process Optimizing, Energy Saving LGA-4100 See 'Calorific Value Analysis' Forth Below Combustion Optimizing, Energy Saving LGA-4100 Combustion End-point Monitoring LGA-4100 Process Optimizing, Energy Saving LGA-4100 See 'Calorific Value Analysis' Forth Below Iron Making...