Oridion Microcap

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Oridion Microcap Features

The Oridion Microcap is a portable capnograph that’s used for the continuous monitoring of EtCO2 (End-tidal carbon dioxide), FiCO2 (Fractional inspired carbon dioxide), and RR (Respiratory rate). It can display EtCO2 and FiCO2 in either mmHg, kPa, or Vol% and can provide output for a printer, PC, or digital-to-analog converter. This Oridion capnography monitor uses microstream non-dispersive infrared (NDIR) spectroscopy to monitor CO2 while breathing.

  • Displays CO2 waveform, EtCO2 numerical value, and Respiratory rate or FiCO2.
  • Can connect to communication adapter, printer, PC, digital to analog converter, nurse call system, and patient monitoring systems.
  • Operating time is between 4 and 7 hours depending on device usage.
  • Weighs 1.66 lbs with a battery.

Oridion Microcap Specifications


  • Height: 8.11 in (20.6 cm)
  • Width: 3.46 in (8.8 cm)
  • Depth: 2.06 in (5.25 cm)
  • Weight: 1.66 lbs. (0.75 kg)


  • Sampling Rate: 50 ml/min.
  • CO2 Range: 0-99 mmHg (0-13.2 kPa and 0-13.0 Vol%) at sea level
  • EtCO2 Accuracy
    • From power-up until steady state, the CO2 reading accuracy is:
      • 0 – 38 mmHg: (±4 mmHg)
      • 39 – 99 mmHg: (±12% of reading)
    • CO2 reading reaches steady state accuracy 20 minutes after power up.
      • 0 – 38 mmHg: (±2 mmHg)
      • 39- 99 mmHg: (±5% of reading + 0.08% for every 1 mmHg above 40 mmHg)
    • Equivalent values for kPa and Vol%
  • Respiration Rate: 0-150 breaths/min.
  • Warm-up Time: 30 seconds (typical)

Frequency Response

  • EtCO2 accuracy is maintained up to 80 breaths/min. (For maintaining accuracy for respiration rate over 60 bpm, use the neonatal mode.) From 81 to 150 bpm accuracy is ±12%, if the EtCO2 is higher than 18.8 mmHg in neonatal mode.

System Response Time

  • 2.45 seconds (typical), 2.9 seconds maximum (includes delay and rise time)

Rise Time

  • Neonate: 190 msec with low dead space endotracheal tube adapter
  • Adult: 240 msec with FilterLine airway adapter

Battery / Power

  • External Power Source: 12V DC Medical Grade Adapter
  • Internal Power Source: Ni-MH Rechargeable Battery Pack 7.2V 2.1 A/h
    • Operating Time (fully charged): Between 4 and 7 hours, depending on power management. These values reflect the performance of a new battery; age and usage will decrease capacity.
    • Recharging Period: Approximately 4.5 hours of internal recharging
    • Charger Type: Internal



Questions about our Capnography Monitors?

Soma Tech Intl offers a wide range of capnography monitors. If you have any questions about any of our EtCO2 Monitors or need a quick quote, call us and one of our knowledgeable sales representatives will help you.

Looking to sell your EtCO2 Monitors? Soma ensures your facility gets top dollar for your equipment and also gives the option for trade-in credit.

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