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Beijing Lijia United Technology Co., Ltd
Greenhouse gas analyzer (CH4, CO2, H2O)
NegotiableUpdate on 02/24
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Overview
The analyzer is easy to use, consumes less power, and is durable, suitable for various field studies and air quality research.
Product Details
LGR (currently under ABB Canada)The Greenhouse Gas Analyzer（GGA）It is an advanced instrument in the world that simultaneously measures methane, carbon dioxide, and water vapor concentrations, with higher superior performance.GGAEasy to operate, low power consumption, sturdy and durable, it is an ideal tool for field research and air quality monitoring. Quick measurement（10 Hz）Its characteristics make it a better choice for vortex related covariance flux measurement and soil flux research.
GGAReport and store all measured absorption spectra to accurately correct for water vapor dilution and absorption line broadening effects, thus enabling direct reportingCH4andCO2The dry mole fraction does not require gas drying before measurement or data post-processing after measurement.LGRUnique design“Expand range”Options can accurately measure10%At the above levelCH4Concentration (without dilution) and ensure accuracy and sensitivity consistent with measurements taken at typical environmental levels. onlyLGRThe analyzer is capable of achievingCH4Concentration exceeds the environmental level20At double the time, reliable and guaranteed measurements are still provided.LGRnew“EPtype”The analyzer combines unique internal temperature control technology to provide customers with ultra stable measurements, demonstrating higher accuracy, precision, and smaller drift in professional laboratories and flux network applications in Europe, Asia, and the United States.
GGAuseLGROutput spectrum of off-axis integrating cavity with patented design（OA-ICOS）Technology (patent number: 6795190), which eliminatesCRDSDuring the measurement process, technology requires continuous matching of the optical cavity and laser wavelength to improve the weak signal intensity, eliminating the need for complex laser alignment adjustment, temperature control, and wavelength monitoring in the analyzer. Real time display of high-resolution laser absorption spectra. Using a built-in computer（Linux OS）To provide continuous storage and measurement of data. With remote control function, users can operate the analyzer from any location through the network, and can also share real-time data and perform instrument diagnosis through remote login.
characteristic:
1. High accuracy, uncertainty＜0.03%
2. Three types of gases（CH4, CO2, H2O）Simultaneously measure and eliminate dilution effects
3. Nature、ScienceIdeal tools for vortex related flux measurement and soil flux research, with a large number of literature published in authoritative journals
4.moreWide measurement range and full range linearity
5. Verified by the global flux observation network and professional laboratories, the enhanced modelGGA-24EPHaving higher performance
Performance indicators:
repeatability/Accuracy（1σ， oneSeconds/10 seconds/ 100Seconds)
CH4：0.6ppb / 0.2 ppb / 0.1 ppb
CO2：150ppb / 50 ppb / 20 ppb
H2O：150ppb / 50 ppb / 17 ppb
Drift（EPType,15Minute average, standard temperature and pressure,24Hour)
CH4：＜3ppb
CO2：＜0.2 ppm
Measurement speed:
0.01~1 Hz（Low flow rate)
0.01~10 Hz（High flow rate)
(Flow velocity response)<>Optional external pump needs to be configured in seconds)
Accuracy (under working conditions):
Uncertainty<1%Under uncalibrated conditions (standard type)
Uncertainty<0.03%Without calibration conditions（EPType)
Measurement range (under all technical specifications):
CH4：0~100 ppm
CO2：0~20000 ppm
H2O：0~30000 ppm
Optional range：
CH4：0~1000 ppm
CO2：0~200000 ppm
H2O：0~300000 ppm
Environmental conditions:
Operating temperature:5~45℃
Environmental humidity:<99% RH, without condensation
Output:
WiFi、 Number（RS 232）Simulation, EthernetUSB、MIU
Electricity demand:
110/240 VAC， seventeen0 W(Stable state)）
Maximum 420 W (when used in combination with ACC-DP4H)
Size and weight：
Standard type，Rack：22 cm（H）x 48 cm（W）x 61 cm（D），31 kg
EPtype，Rack：40 cm（H）x 48 cm（W）x 61 cm（D），40 kg
Ordering information:
Model number（Model）：
GLA231-GGA(Standard type, integrated control terminal)
GLA331-GGA（EPtype）
Optional items:
1. MIU：16/8Road multiplexer
2. MC-2000：16/8Dao synchronous multiplexer
3. ACC-DP3H: Three head diaphragm pump
4. ACC-DP4H: Four head diaphragm pump
5. ACC-DS10: nXDS10i vacuum pump
6. ACC-DS35: XDS35i Vacuum Pump
7. OPT-EXTENDED-CH4: ExtensionCH4Range concentration options
8. OPT-DATALOG: Data Recording
9. OPT-FAST-FLOW: High throughput option
manufacturer:
ABB Canada
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