This is a complete solution, including analyzer, automatic chamber, environmental sensors and flux calculation software Unique wireless control mode, all data are collected wirelessly through a PAD, which greatly facilitates field operation; totally superior to other products on the market. The chamber can be automatically raised and lowered, perfectly matching the setting of the measurement program, no need to manual opening and closing. The rechargeable lithium battery is placed in the chamber which can also display the power status and meet the continuous use of 48 hours in the field.
GT5000.pdf
The GT5000 Portable Multi-Parameter Soil Respiration Measurement System, manufactured by Finland's Gasmet Technologies, comprises a portable high-precision soil greenhouse gas analyzer based on Fourier Transform Infrared (FTIR) spectroscopy technology and an automatic soil flux chamber. This instrument can simultaneously measure multiple major greenhouse gas components—such as N₂O, CH₄, CO₂, H₂O, CO, and NH₃ —within seconds, with measurement accuracy reaching parts-per-billion (ppb) levels. The GT5000 system is suitable for greenhouse gas flux measurements in diverse environments including farmland, wetlands, forests, pastures, power plants, and fire sites.
Key Features
Technical Parameters
|
Measurement Principle |
FTIR (Fourier Transform Infrared Spectroscopy) |
Analysis Software |
Calcmet (requires Windows 7 or 10) |
|
Gas Species Measured |
Standard configuration: 6 gases (N₂O, CH₄, CO₂, H₂O, CO, NH₃); Maximum simultaneous measurement: 50 gases |
Data Connection |
USB, Ethernet, Bluetooth, Wi-Fi |
|
Response Time |
Typically < 120 s (dependent on target gas and measurement duration) |
Sampling Pump Flow Rate |
2 L/min |
|
Battery |
Lithium-ion battery, 3 hours operation per battery |
Gas Sampling Filter |
2 μm pore size PTFE filter |
|
Charging Supply |
115/230 V AC |
Gas Inlet/Outlet |
6 mm quick connector |
|
Enclosure |
Dimensions: 450×287×166 mm (H×W×D); Material: ABS PC; Protection Rating: IP54 (suitable for portable field use) |
Sample Cell |
Structure: Multi-pass; Fixed Optical Path Length: 5 m; Mirrors: Fixed, gold-coated; Volume: 0.5 L |
|
Spectrometer |
Resolution: 8 cm⁻¹; Scan Frequency: 10 scans/s; Detector: Peltier-cooled MCT (HgCdTe); Beamsplitter Material: ZnSe (Zinc Selenide); Wavenumber Range: 900 - 4200 cm⁻¹ |
Operating Temperature |
Short-term: -5 to 40°C; Long-term: 5 to 30°C |
|
Zero Drift |
< 2% of measurement range per 24 hours (in ambient background) |
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Non-linearity |
< 2% of measurement range |
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Weight |
9.4 kg (with battery) / 8.0 kg (without battery) |
Temperature Drift |
< 1% of measurement range per 10 K temperature change (temperature compensated) |
|
Sample Gas Pressure |
Ambient pressure |
Pressure Influence |
1% change in reading per 1% pressure change (pressure compensated) |
|
Measurement Ranges and Detection Limits for Key Greenhouse Gases |
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|
H2O |
0 - 3%； Detection Limit: 0.010 vol-% |
N2O |
0-50 ppm； Detection Limit: 7 ppb |
|
CO2 |
0 - 2000 ppm； Detection Limit: 5 ppm |
NH3 |
0–100 ppm； Detection Limit: 70 ppb |
|
CH4 |
0 - 100 ppm； Detection Limit: 40 ppb |
CO |
0-200 ppm； Detection Limit: 70 ppb |
Supporting Software
Analyzer Control Software
The GT5000 is equipped with the powerful Calcmet software, which provides comprehensive operational support for the gas analyzer. The software is user-friendly and does not require specialized technical knowledge. Its step-by-step operation guide allows for easy familiarization, and the one-click measurement function enables immediate online acquisition of results. Additionally, the software monitors data quality in real-time through alert prompts and offers five different viewing modes to intuitively display key information.
Chamber Chamber Flux Control Software
The flux control software features robust real-time data processing and display capabilities. It performs real-time calculations on the collected gas concentration data to accurately generate flux results. The interface simultaneously displays real-time gas concentration values, along with key environmental parameters such as soil temperature, moisture, electrical conductivity, as well as chamber air pressure and temperature.
The software includes a carbon footprint mapping module that visualizes the location of sampling points on a GPS map alongside real-time carbon flux data, allowing users to intuitively grasp the spatial distribution of carbon fluxes.
It supports multi-channel control, enabling independent configuration for each measurement channel. Configurable parameters include measurement area, measurement height, chamber equilibration time, flux measurement duration, and post-measurement purge time, meeting diverse measurement needs across different scenarios.
The software can perform in-depth secondary processing on saved raw gas concentration data. It supports batch processing, allowing unified data processing for all sample points with a single click. Furthermore, the flux calculation system is backed by a software copyright certificate, ensuring its technological independence and professionalism.
Optional Chamber Accessories
SFC-20 Automatic Soil Flux Chamber
|
Chamber Type |
Dark Chamber (Stainless Steel) |
Measure area |
314 cm2 |
|
Overall Dimensions |
34×29×40 cm |
Chamber volume |
2093 cm3 |
|
Weight |
Approx. 7.5 kg |
Power Supply |
12 V with built-in 5600 mAh rechargeable lithium battery |
|
Measurement Method |
Automated open-close, flow-through measurement |
Built-in sensors |
Gas temperature, humidity, pressure |
|
Communication mode |
Wi-Fi |
External sensors |
Soil moisture, temperature, electrical conductivity |
WSF-20 Water Surface Flux Chamber
SNC-50 Community Static Photosynthesis Chamber – Ecosystem Net Ecosystem Exchange (NEE) Measurement
|
Dimensions |
50×50×50 cm (customizable shape and size) |
Communication mode |
Wi-Fi |
|
Chamber volume |
125000 cm³ |
Power supply |
12 V with built-in 5600 mAh rechargeable lithium battery |
|
Material |
Acrylic, transparent or opaque |
External sensors |
Soil moisture, temperature, electrical conductivity |
Automatic Open-Close Static Chamber
|
Chamber Style |
Transparent / Opaque |
Control mode |
Master Controller |
|
Chamber Size |
50×50×40 cm |
Power supply |
12 V |
|
Chamber Weight |
Approx. 15 kg |
Chamber Measurement Volume |
100000 cm3 |
|
Chamber Operation Mode |
Controlled automatic rotation (Top window 90°, Side window 45°) |
Chamber Measurement Area |
2500 cm2 |
|
Actuation Method |
Electric Actuator |
Temperature Monitoring |
-40°C to 85°C |
|
Material |
Aluminum alloy, Imported Transparent PC Board |
Sealing Method |
Sealing Gasket |
SMC Intelligent Multi-Channel Control System
|
Number of channels |
4 - 36 channels optional |
Sampling flow rate |
Standard 1L/min, adjustable |
|
How it works |
touch screen |
Operating environment |
-20 ~ 50 °C, <99% R.H, non-condensing |
|
Data calculation |
Flux, respiratory rate |
power supply |
12 VDC |
|
Optional modules |
Additional gas measurement modules, soil temperature/moisture sensors, 4G transmission module, GPS module, etc. |
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|
Communication mode |
The main control board reserves multiple data transmission channels. Components/sensors can be added per customer requirements. Software is self-developed and can integrate data from additionally configured sensors. Can be paired simultaneously with soil respiration chambers and community photosynthesis chambers for interface observation studies, enabling a multi-dimensional trace gas monitoring system for interface emissions. |
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SFL-20 Long-Term Soil Flux Chamber
|
Chamber Type |
Transparent (Acrylic) / Opaque (Aluminum Alloy) |
Power Supply |
12 V |
|
Overall Dimensions |
530×351×208 mm |
Measure Area |
314 cm2 |
|
Chamber Volume |
2093 cm3 |
Measurement Volume |
4188 cm3 |
|
Control Method |
Master Controller |
Operation Mode |
Controlled automatic open/close, dynamic pressure balance flow-through measurement |
Subsurface Profile Gas Sampling Device
Sensor: Temperature sensor.
Manufactured : Gasmet, Finland
