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50% CO2 - 100% CH4 Sampling Data Logger

50% CO2 - 100% CH4 Sampling Data Logger

Inquiry Catalog



The portable Carbon Dioxide and Methane Sampling Data Logger lets you log these gas levels over time in inaccessible areas and closed samples via the built-in gas sample draw pump. Use it for:
Natural Gas Processing
Algae-Based BioFuel
Fermentation Monitoring & Validation
Agricultural CO2 Up-take Analysis

Inside the Sampling Data Logger is a battery-operated micro-pump connected to two tubing ports. The unit can be programmed to measure at specific intervals, draw gas for a programmable period of time from the inlet port, expel it from the outlet port, and log the CO2 and CH4 values with a time stamp. Later, the data can be retrieved via USB connection to a computer running our free DAS software.

By connecting tubing to the inlet, you can remotely sample gas, or by connecting tubing to both ports, you can create a closed-loop system and return the gas back to the original container. This makes the Sampling Data Logger perfect for controlled or measuring potentially dangerous high concentrations of CO2 and CH4 in biological applications over hours, or even days.


CO2 and CH4 Measurement: non-dispersive infrared (NDIR)
Range: CO2 0-50%, CH4 0-100%
Accuracy: ±3% > 50% of full range, ±5% < 50% of full range
Sampling Method: Tube sampling (0.30 l/min)
60,000 data point memory
Measurement interval: 5 sec to 18 hours
Sensor Life Expectancy: > 15 years
Maintenance Interval: No maintenance required
Size: 5.75×5.6×1.3in (146×91×33mm)
Tubing sizes: 3/32" or 1/8"
1,000 hour pump - upgrade available to 10,000 hour pump on request

LED Display
CO2 in % format (nn.nn%)
CH4 in % format (nn.nn%)
Logging On/Off indicator
% of Free Memory Remaining

4 AA batteries (not included)
International wall power supply 6VDC (included)

Included Accessories
USB A to USB Mini Cable
1/8" tubing 10 feet long
International wall mount power supply
Moisture trap
Particulate and hydrophobic filters
Assorted tubing fittings
High-Impact Carrying Case

System Requirements for Data Logging or Changing Defaults
Windows XP SP2 or newer
Microsoft .Net 3.5 Runtime Libraries

1 Year