Significant Improvement of Process Control With More Accurate and High-Speed Stable Continuous Gas Measurement
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PLGA-1000 Process Laser Gas Analyzer Brochure (version A)
PLGA-1000
Process Laser Gas Analyzer
A new measurement solution that contributes to improve productivity in petrochemical plant manufacturing processes*¹.
The PLGA-1000 Process Laser Gas Analyzer is designed to measure hydrocarbons and other gases contained in process gases at petrochemical plants. The PLGA-1000 uses proprietary technology to measure low concentrations of acetylene (C2H2) and carbon dioxide (CO2) contained as impurities in high concentration methane (CH4) and ethane (C2H6) which are material gases, continuously at high speed and with high sensitivity . This contributes to improvements in productivity, cost, and quality in the manufacturing process, as well as reducing environmental impact.
*1: Limited to specific manufacturing processes
Segment: Process And Environmental
Division: Process Gas
Delivering New Benefits with Innovative Technology
HORIBA's proprietary IRLAM™ *¹ (InfraRed Laser Absorption Modulation) technology realizes new solutions for specific manufacturing process that have been difficult to achieve with process gas chromatograph measurements.
Significant Improvement of Process Control With More Accurate and High-Speed Stable Continuous Gas Measurement
Continuous measurement of low-concentration impurity gas in high concentration hydrocarbons accurately in a short measurement time.
- High sensitivity measurement: ppb level (Low concentration impurities in high concentration hydrocarbons are measured at ppb level.)
- Fast response time: 3 seconds (for details, see response time in specifications)
Operational Cost Reduction
A column-free gas analyzer that uses IRLAM technology. Furthermore, the frequency of replacement parts and calibration is reduced by using a laser as the light source.
Compact Installation Area
The use of a small gas cell (Herriot cell), etc. reduces the footprint of the analyzer and contributes to save your space.
Measurement Principle
HORIBA’s Proprietary IRLAM Technology
HORIBA's proprietary IRLAM technology consists of three new technologies with distinctive features. These key components are developed and produced in-house which allows us to address to diverse customers' needs.
Click here for the further details about IRLAM Technology.
*¹ IRLAM is a registered trademark or trademark of HORIBA Ltd. in Japan and other countries.
| Name | Process Laser Gas Analyzer |
| Model | PLGA-1000 |
| Measurement principle | NDIR: Non Dispersive Infrared |
| Light source | QCL: Quantum Cascade Laser |
| Laser class | Class 1(IEC 60825-1：2014) |
| Components | Methane ( CH4 ), Ethane ( C2H6 ), Acetylene ( C2H2 ), Carbon Dioxide ( CO2 ) |
| Range*¹ | CH4 : 0 - 2000 ppm or 0 - 5 vol% C2H6 : 0 - 50 vol% C2H2 : 0 - 50 ppm CO2 : 0 - 200 ppm |
| Repeatability | ±1.0 % full scale |
| Linearity | ±1.0 % full scale |
| Response time | Td + T90 : 3 sec at flow rate of 1.6L / min |
| ZERO drift | ±2.0 % full scale per 1 month |
| SPAN drift | ±2.0 % full scale per 1 month |
| Data update cycle | 1 sec |
| Calibration interval | 1 month |
| Ambient temperature | -10˚C to 50˚C or -10˚C to 45˚C (no direct sun rays, including case temperature influences due to radiant heat and heat conduction) *The flow rate of the protective gas differs depending on the specification of the ambient temperature |
| Protection class | IP66、NEMA4X |
| Hazardous area classification | US, Canada: Class I, Division 2, Groups A, B, C, D T4 US: Class I, Zone 2, AEx pzc IIC T4 Gc IECEx, Canada: Ex pzc IIC T4 Gc ATEX, UKCA:  II3G Ex pzc IIC T4 Gc |
| Wetted materials | SS316, SS304, BaF2, FKM, PTFE, Au, Ni |
| Gas connector size | 1/4"NPT, 1/2"NPT (Option: N2 generator） |
| Pressure error alarm output | Three channels (Main enclosure, Optical unit, Cell) DC 5 V to 24 V, 1 A at each terminal |
| Communication function | Modbus®/ TCP |
| Analog output | Four channels (Gas concentration) 4 mA to 20 mA Max. load: 550 Ω |
| Contact output | Three channels (Calibration / Main alarm / Measurement) Relay contact output (isolated output) DC 5 V to 24 V, 1 A at each terminal |
| Digital output | One channel (For signal barrier power control relay) DC 24 V, 100 mA |
| Dimension | 664 mm (W) x 270 mm (D) x 704 mm (H) *Protrusions included |
| Weight | Standard 46 kg, Max. 50 kg *Depends on product specifications |
| Power supply | AC 100 V to 120 V, 50 Hz/60 Hz or AC 200 V to 240 V, 50 Hz/60 Hz |
| Power consumption | Max. 250 VA |
*¹ Please contact us for other components.
Modbus is a trademark of Schneider Electric USA Inc.