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Gas analyses
Methane
Flowmeter
Restek® ProFLOW 6000 Electronic Flowmeter, to measure non-corrosive and also explosive and flammable gases.
- Type: Volumetric
- Range: 0.5–500 mL/min
- Accuracy: ± 2% flow / ± 0.2 mL/min
- Battery: 2-AA
- Temp. Range: 32–120 °F (0–48 °C)
- Data output: USB port
Leak detector
The Restek® electronic leak detector detects a broad range of gases (only non-explosive).
- Detectable Gases: Helium, nitrogen, argon, carbon dioxide, hydrogen
- Battery: Rechargeable lithium ion internal battery pack (12 hours normal operation)
- Temperature Range: 32–120 °F (0–48 °C)
- Humidity Range: –97%
- Gas Limits / LED Color in [atm cc/sec]: Helium, 1.0 x 10-5 RED / Hydrogen, 1.0 x 10-5, RED / Nitrogen, 1.4 x 10-3 YELLOW / Argon, 1.0 x 10-4 YELLOW / Carbon dioxide, 1.0 x 10-4 YELLOW.
Restek® ProFLOW 6000 Electronic Flowmeter, to measure non-corrosive and also explosive and flammable gases.
- Type: Volumetric
- Range: 0.5–500 mL/min
- Accuracy: ± 2% flow / ± 0.2 mL/min
- Battery: 2-AA
- Temp. Range: 32–120 °F (0–48 °C)
- Data output: USB port
Leak detector
The Restek® electronic leak detector detects a broad range of gases (only non-explosive).
- Detectable Gases: Helium, nitrogen, argon, carbon dioxide, hydrogen
- Battery: Rechargeable lithium ion internal battery pack (12 hours normal operation)
- Temperature Range: 32–120 °F (0–48 °C)
- Humidity Range: –97%
- Gas Limits / LED Color in [atm cc/sec]: Helium, 1.0 x 10-5 RED / Hydrogen, 1.0 x 10-5, RED / Nitrogen, 1.4 x 10-3 YELLOW / Argon, 1.0 x 10-4 YELLOW / Carbon dioxide, 1.0 x 10-4 YELLOW.
CH4 from sediment headspace samples is analysed with an Agilent 7890A GC System (after Pape et al., 2010) coupled with a CMC HG-200 hydrogen generator.
