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Product details
Product Overview
The Picarro G2204 gas concentration analyzer can accurately measure methane (CH4) and hydrogen sulfide (H2S) simultaneously, with a sensitivity of parts per billion (ppb). The drift generated by emission measurements for landfills, refineries, paper mills, or industrial plants can be ignored. This analyzer can be installed in just a few minutes for static monitoring applications, as well as for remote quantitative emission applications that exceed the warning line. It is coupled using the US Environmental Protection Agency's Geospatial Method (EPA's other testing method OTM 33).
Product Features
• Simultaneous and continuous measurement of CH4 and H2S concentrations
• Billion parts per billion (ppb) sensitivity, accuracy, and precision, with extremely low drift
• Application for static monitoring or remote quantification of emissions beyond warning lines
• Durable and sturdy structure, insensitive to environmental temperature changes
Main technical parameters
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Picarro G2204methane(CH4) |
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parameter |
Specification (requires air like substrate) |
notes |
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Accuracy（5.0 Seconds) |
2 ppb |
1-σ |
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Maximum drift (exceeding) 8 Hour) |
< 4 ppb |
50 The difference between the maximum values of the minute averages |
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measuring range The accuracy at high concentrations is approximately the same as the reading1%) |
Ensure that the specification range is0 - 3 ppmThe scope of work is0 - 20 ppm |
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Measurement interval |
about 5 second |
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rise time/Descent time |
< 5.0second |
10 - 90% / 90 - 10% |
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Picarro G2204hydrogen sulfide(H2S) |
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parameter |
Specification (requires air like substrate) |
notes |
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Minimum detection limit（5 Minutes) |
3 ppb |
3-σ |
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Zero drift（8 Within hours) |
< 3 ppb |
50 Peak of minute mean-peak value |
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Measurement range（5 The accuracy of the minute average is1 ppb + 0.4%） |
The scope of work is0 - 300 ppm Ensure that the specifications are0 - 20 ppm |
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Measurement interval |
about 5 second |
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rise time/Descent time |
< 5second |
10 - 90% / 90 - 10% |
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Picarro G2204Instrument specifications |
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measuring technique |
Cavity oscillation spectroscopy(CRDS)technology |
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Measurement pool temperature control |
± 0.005 ℃ |
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Measurement pool pressure control |
± 0.0002Atmospheric pressure |
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Sample temperature |
-10 to45 ℃ |
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Sample flow rate |
stay760 Underneath less than 0.4 Standard liters per minute(slm)No need for filtering |
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Sample pressure |
300 to 1000 Tuo（40 to 133 Kilopascals) |
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Maximum rate of change in ambient temperature |
Every hour5 ℃ |
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Sample humidity |
relative humidity(RH)less than99%(In)40 ℃Under non condensing conditions, there is no need for drying |
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ambient temperature |
10 to35 ℃(Running), -10 to50 ℃(Storage) |
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ambient humidity |
relative humidity(RH)less than99%Under non condensing conditions |
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Other gases measured |
H2O |
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enclosure |
Pump (external, included), keyboard (included), mouse (included)LCDMonitor (optional) |
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data output |
RS-232EthernetUSBSimulation (optional)0 - 10Fu |
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Air inlet connector |
¼inchSwagelok ®Connector |
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External dimensions |
Including the legs, it is 17 Inches widex 7Inch heightx 17.5Inch length(43.2 x 17.9 x 44.5centimeter)When excluding small external pump modules, it is 7.5 Inches widex 4Inch heightx 11Inch length(19 x 10.2 x 28centimeter) |
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Installation form |
Workbench or 19 Inch rack mounted chassis |
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weight |
60.4 pound(27.4Kilogram), including pumps |
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Power requirements |
100 - 240Alternating current,47 - 63 Hz(Automatic detection), when started (total) less than 260 Tile; 110 Watt (analyzer), steady state is 80 Watt (pump) |
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Application precautions |
We need an air like substrate. WhenH2O、CO2 andCH4 Concentrations far above normal environmental levels, as well as the presence of compounds including but not limited to ethane, acetylene, and other nitrogen-containing and sulfur-containing substances, may interfere with measurements. For more details about the experimental conditions, please contact us. |
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