-
Phone
13910499766
-
Address
Building 5, Guanghua Entrepreneurship Park, No. 18 Anningzhuang East Road, Haidian District, Beijing
Beijing Lijia United Technology Co., Ltd
13910499766
Building 5, Guanghua Entrepreneurship Park, No. 18 Anningzhuang East Road, Haidian District, Beijing
The Picarro G2401 gas concentration analyzer can accurately measure carbon monoxide (CO), carbon dioxide (CO2), methane (CH4) with a sensitivity of parts per billion (ppb), and water vapor (H2O) with a sensitivity of parts per million (ppm) simultaneously. The drift generated by atmospheric science, air quality, and quantitative emission applications can be ignored. This analyzer meets the performance requirements of the World Meteorological Organization (WMO) and the Integrated Carbon Observing System (ICOS) for atmospheric monitoring of CO, CO2, and CH4.
Simultaneous and continuous measurement of four atmospheric trace gases
Billion parts per billion (ppb) sensitivity, accuracy, and precision, with extremely low drift
Complies with the international environmental and atmospheric monitoring requirements of WMO and ICOS
Equipped with water vapor correction function, automatically reporting dry gas mole fraction
For CO, the accuracies at 5 seconds, 5 minutes, and 60 minutes are 15 ppb, 1.5 ppb, and 1 ppb, respectively; For CO2, they are 50 ppb, 20 ppb, and 10 ppb, respectively; For CH4, they are 1 ppb, 0.5 ppb, and 0.3 ppb, respectively. For CO, CO2, and CH4, the maximum drift within 24 hours at standard temperature and pressure (STP) is 10 ppb, 100 ppb, and 1 ppb, respectively. The moisture correction software will automatically report the dry gas mole fraction to help reduce the complexity of research work and save consumable costs.
| Picarro G2401 ensures performance specifications (dry air) | CO2 | CO | CH4 | H2O | |
| Accuracy (1 σ) No reference gas required |
5 seconds | <50>50> Typical value=17 ppb |
<15>15> Typical value=3.5 ppb* |
<1>1> Typical value=0.10 ppb* |
<30>30> |
| 5 minutes | <20>20> Typical value=5.0 ppb* |
<1.5>1.5> Typical value=0.4 ppb* |
<0.5>0.5> Typical value=0.04 ppb* |
<5>5> | |
| 1 hour | <10>10> | <1>1> | <0.3>0.3> | - | |
| Maximum drift under standard temperature and pressure The difference between the maximum values of the 50 minute average does not require a reference gas |
24 hours | 100 ppb Typical value=17 ppb* |
10 ppb Typical value=2.7 ppb* |
1 ppb Typical value=0.10 ppb* |
100 ppm ± 5% reading |
| monthly | 500 ppb | 50 ppb | 3 ppb | - | |
|
Maximum uncertainty when using reference gas (2σ, 1 hour average) WMO's data quality objectives for GAW stations |
<50>50> | <2>2> | <1>1> | - | |
|
Measurement repeatability (10 minutes, 1)σ)[1] ICOS Atmospheric Station Specifications |
<50>50> | <1>1> | <0.5>0.5> | - | |
| Independently determine the mole fraction of dry gas | contain | contain | contain | - | |
| measuring range | 0–1000 ppm | 0–5 ppm | 0–20 ppm | 0-7% water vapor | |
| Ensure accuracy range | 300–500 ppm | 0–1 ppm | 1–3 ppm | 0-3% water vapor | |
| Measurement Interval | < 5=''> Typical value=2.5 seconds* |
||||
| Rise/fall time (10-90%/90-10%) | < 5=''> | ||||
|
*The typical performance is defined as the median of the test results of 63 G2401 analyzers manufactured in sequence. Results can be requested. [1]Alternating measurement of dry natural air cylinder for 30 minutes and ambient air for 280 minutes, and statistical analysis based on the average data of the last 10 minutes measured by the 30 minute cylinder. | |||||
| Picarro G2401 analyzer specifications | |||||
| measurement | Cavity ring down spectroscopy (CRDS) technology | ||||
| Measurement pool temperature control | ±0.005 ℃ | ||||
| Measurement pool pressure control | ± 0.0002 atmospheric pressure | ||||
| sample temperature | -10 to 45 ℃ | ||||
| Sample pressure | 300 to 1000 Torr (40 to 133 kPa) | ||||
| Sample flow rate | <0.4 standard liters per minute='' (='' slm=''), at='' 760=''>0.4> | ||||
| Sample humidity | <99% relative humidity (at='' 40='' ℃=''>99%) | ||||
| ambient temperature | 10 to 35 ℃ (during instrument operation), -10 to 50 ℃ (instrument storage conditions) | ||||
| ambient humidity | <85%>85%> | ||||
| Accessories (included) | Vacuum pump (external), keyboard, mouse, LCD display (optional) | ||||
| data output | RS-232, Ethernet, USB, Analog signal (optional) 0-10 volts | ||||
| Air inlet connector | ¼ inch Swagelok ® | ||||
| size | Analyzer: 17 inches wide x 7 inches high x 17.5 inches deep (43.2 x 17.8 x 44.5 centimeters), excluding 0.5 inch foot pads External pump: 7.5 inches wide x 4 inches high x 11 inches deep (19 x 10.2 x 28 centimeters) |
||||
| Installation form | Workbench (standard) or 19 inch rack mounted chassis (optional) | ||||
| weight | 59.3 pounds (26.9 kilograms), including external pump | ||||
| Power requirements | 100-240 volts AC, 47-63 Hz (automatic detection),<375>375> ~120 watts (analyzer)+150 watts (vacuum pump), during stable operation. |
||||