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Enabling better global research outcomes in soil, plant & environmental monitoring.

F-900 Portable Ethylene Analyzer

The F-900 Portable Ethylene Analyser provides measurements of ethylene in real time. Quality Assurance professionals use the F-900 to collect the data they need to manage ethylene gas accurately and efficiently—in controlled atmosphere facilities, cold storage, and shipping containers

Until recently, sensitive ethylene measurements were available only through complex and expensive gas sampling and gas chromatography analysis. The F-900 is an economical, yet precise, solution to ethylene measurement.

The F-900 Research Kit enables the stand-alone unit to take in-situ measurements of ethylene flux from fruits and leaves non-destructively. By using the Injection Port Kit, users can take small-volume, point-in-time measurements of ethylene. Additional sensors for measuring CO2 and O2 can be added to the F-900 for complete ripening gas analysis

  • Real-time, continuous monitoring
  • Rapid response time
  • Functional across broad temperature and humidity range
  • Highly sensitive C2H4 sensors with lower detection limit of 0.025 parts-per-million (ppm)
  • Optional CO2 sensors
  • Optional O2 sensor
  • Relative humidity, temperature, and pressure sensors on-board
  • Internal data logging and storage (4GB SD card)
  • Wi-Fi capabilities
  • Direct interface with PC or data logging systems
  • Terminal block for controlling ventilation systems
  • Optional Injection Port Kit for small volume static samples
  • The F-900 supports English only on the instrument display.

The F-900 is a versatile ethylene analyser available with the ability to: measure ethylene flux directly from a single fruit non-destructively, continuously monitor storage rooms, act as an alarm, fan, or gas controller, integrate with larger control systems, measure small-volume samples with GC emulation mode, and act as a portable inspection tool. The F-900 is sensitive to low levels of ethylene, but can also be used to measure ripening applications  in high-ethylene environments. The F-900 includes a patented PolarCept water filter that removes interfering gases and hydrocarbons which would otherwise lead to an artificially elevated readings on the electrochemical sensor.

Main Unit
Air Sampling Rate: 80 ml/min
Measuring Rate: 1 second intervals, open or closed loop
Display: Sunlight visible transflective LCD
Operating Environment: 0°C – 45°C; 0-90% humidity non-condensing
Battery Capacity: 5 hours – Rechargeable Li-Ion (5000 mAh)
Dimensions: 255mm (L) x 210mm (W) x 138mm (H; includes body with legs)
Weight: 2.96 kg
Enclosure: Anodised aluminium
Warm-up Time: 1 min (C2H4)
C2H4 PPB Sensor
Sensor Type: Electrochemical
Range: 0-10 ppm
Resolution: 0.001 ppm
Accuracy: 5% ± 0.025 ppm
Lower Detection Limit: 0.025 ppm (25 ppb)
C2H4 PPM Sensor
Sensor Type: Electrochemical
Range: 0-200 ppm
Resolution: 0.1 ppm
Accuracy: 5% ± 0.5 ppm
Lower Detection Limit: 0.5 ppm
CO2 PPM Sensor (optional)
Sensor Type: Low-power non-dispersive infrared gas analyser
Range: 0-2000 ppm
Resolution: 0.1 ppm
Accuracy: 5%
CO2 PCT Sensor (optional)
Sensor Type: Infrared sensor, pyroelectric detector
Range: 0-20%
Resolution: 0.01%
Accuracy: 5%
O2 Sensor (optional)
Sensor Type: Electrochemical
Range: 0-100%
Resolution: 0.1%
Accuracy: 5%

Warton, M. A., Wills, R. B. H., & Ku, V. V. V. (2000). Ethylene levels associated with fruit and vegetables during marketing. Australian Journal of Experimental Agriculture, 40(3), 465–470. https://doi.org/10.1071/ea99125