EGM-5 Portable CO₂ Gas Analyzer

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A rugged, highly portable instrument for use in the lab and field. The perfect solution for soil CO2 efflux and net canopy CO2 flux measurements.

Product features

  • High precision, compact non-dispersive infrared CO2 analyzer with automatic temperature and pressure compensation
  • CO2 ranges up to 100000 ppm (10%)
  • Accuracy: < 1% of span concentration over calibrated range
  • Lightweight and truly field portable (1.5 kg)
  • Internal, rechargeable 7.2V lithium ion battery providing up to 16 hours continuous operation
  • Built-in sampling pump with electronic flow sensor
  • Numerical and graphical display of data
  • Large, high resolution touch display with excellent readability under sunlight conditions
  • Unlimited data storage using USB Flash drive (thumb drive)
  • Voltage and digital (USB) output
  • Visual and audible alarm (low and high)


EGM-5 Portable CO₂ Gas Analyzer

The EGM-5 is a compact, lightweight instrument (1.5 kg) with a custom, rugged aluminum enclosure making it a very portable and durable product for demanding field measurements. Additionally, the EGM-5 features an integral, rechargeable 7.2V battery providing up to 16 hours of continuous operation in the field. The EGM-5 also features a miniature, long-life air sampling pump that can be used for both dynamic and static measurements. Data can be recorded manually or automatically at user-selected intervals.

See how fast & easy measurements are with the EGM-5!

The EGM-5 can be supplied with two different optical benches calibrated specifically to the range required. One bench is optimized for measurement ranges of CO₂ up to 30000 ppm and another for ranges above 30000 up to 100000 ppm. For users that want to recalibrate the gas analyzer to a new level, this can easily be achieved as long as it is within the range for that particular optical bench.

The design of the EGM-5 ensures inherent calibration stability that has been confirmed by over 35 years of experience in gas analysis technology. It features a non-dispersive, infrared measurement technique coupled with microprocessor-based signal processing resulting in precise measurement of CO₂. Our innovative “Auto-Zero” technology and insulated, thermostatically controlled optical bench ensure fast warm-up, long-term stability, accuracy, and analyzer calibration.

The EGM-5 is an extremely versatile instrument that can be used with a range of optional sensors and chambers adding to measurement capability.

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