Accurate monitoring N2O/CH4/CO2/CO/H2O gas flux in soil

Preface

Soil carbon and nitrogen cycling is an important component of carbon and nitrogen cycling in terrestrial ecosystems, small changes can lead to significant changes in greenhouse gas emissions. There is an antagonistic relationship between the effects of CO2、CH4 and N2O in soil, like a “teeterboard”, in order to reveal the influencing factors and emission mechanism, it is necessary to measure carbon and nitrogen gas exchange simultaneously and accurately.

SF-3500 Multi-Channel Automatic Soil Greenhouse Gas Flux Monitoring System, the latest instrument developed by LICA, it can measure N2O、CH4、CO2、CO and water vapor fluxes in soil at multiple points, help scientists to realize continuous and long-term monitoring of soil carbon flux, as many as 18 chambers can be connected. Meanwhile, SF-3500 can also be used for the study on N2O, CH4, CO2, CO and water vapor profiles.

Key Benefits

ØMeasure N2O、CH4、CO2、CO and water vapor fluxes in soil at multiple points, realize continuous and long-term monitoring of soil carbon flux; 

ØThe control system can connect up to 18 chambers, making it ideal for multi-repetition and multi-processing experimental designs; ØContinuous, High-precision, Automatic, Unattended, Long-term monitoring in the field; 

ØAutomatic calculation of gas flux without data processing; 

ØEach chamber can be connected with auxiliary sensors, such as: soil temperature sensor and soil moisture sensor; 

ØLight weight, low energy consumption, the whole system is sturdy and durable; 

ØStorage media: SD card

Specification:

Ultraportable N2O/CO Analyzer

Repeatability / Precision

（1σ, 0.1 s / 1 s / 100 s） :

N2O：0.6 ppb / 0.16 ppb / 0.08 ppb

CO：0.6 ppb / 0.2 ppb / 0.10 ppb

H2O：300 ppm / 100 ppm / 20 ppm

Measuring range:

N2O：1~4000 ppb

CO：1~4000 ppb

Environment condition:

Sample Temperature：-30~50 ℃

Operating Temperature：10~35 ℃

Ambient Humidity：0~98% RH，non-condensing

Power Requirements：

115/230 VAC，50/60 Hz，180 W

Dimensions and Weight：

20.3 cm（H）x 50.8 cm（W）x 61 cm（D），23 kg

Ultraportable Greenhouse Gas Analyzer

 (CH4, CO2, H2O)

Repeatability / Precision（1σ, 1 s / 10 s / 100 s）:

CH4：＜2 ppb / ＜0.6 ppb / ＜0.25 ppb

CO2：＜300 ppb / ＜100 ppb / ＜40 ppb

H2O：＜100 ppm / ＜35 ppm / ＜15 ppm

Measuring range:

CH4：0.01~100 ppm

CO2：1~20000 ppm

H2O：500~70000 ppm

Environment condition:

Operating Temperature：5~45 ℃

Ambient Humidity：0~98% RH, non-condensing

Outputs:

Digital (RS232), Analog, Ethernet, USB

Power Requirements：

60 W（10~30 VDC）；66 W（115/230 VAC）

Dimensions and Weight：

17.8 cm（H）x 47 cm（W）x 35.6 cm（D），15 kg

SF-3500 Multiplexer

Chamber interface number： 9 / 18

Storage media： SD card

Data interface： Bluetooth, WIFI

Working environment：

Temperature： -20~45 ℃

Humidity： 0~95% RH，non-condensing

Dimensions：

40.7 mm（L）x 28.5 mm（W）x 16.2 mm（H）

Chamber

Measurement Volume：298.5 cm2

Air Chamber Fixed Volume：3341 cm3

Cable Length： 1.5 m

Pump：3.5 L/min

Operating Temperature：-20~45℃

Air Pressure Detection：

15～115 kPa (Range)，±1.5% (Precision)

Temperature Detection：

-25～85 ℃ (Range)，±0.5 ℃ (Precision)

Dimensions：

245 mm（L）x 245 mm（W）x 590 mm（H）

Ordering Information

•N2OCM-919：Ultraportable N2O/CO Analyzer 

•U-GGA-915：Ultraportable Greenhouse Gas Analyzer (CH4, CO2, H2O)

•SF-3500-9：Multiplexer         Configuration：1 Controller Host (9 channels, LCD), 1 Adapter, 1 DC cable 

•SF-3500-18： Multiplexer      Configuration：1 Controller Host (18 channels, LCD), 1 Adapter, 1 DC cable 

•SC-22：Automatic Chamber 

•CS655：Soil moisture sensor

Support：Provide technical support and service for life

Manufacturer：ABB, Canada；LICA, China