Shanghai Meddo Medical Devices Co., Ltd.
Shanghai Meddo Medical Devices Co., Ltd.
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Various areas of application place different demands on the technology. The CAP201 MRI is designed with non-magnetic components. Thus, it can be used in magnetic fields of 1.5 to 3 Tesla. The measurement signal of the CAP201 is not affected even by strong high-frequency gradients. Whether it’s measurement accuracy, resistance to environmental conditions, weight or flexibility in assembly - upon request, we can customize the capnography module to make it easier for you to integrate it into your technology. We offer optimized versions for all common areas of application.

Specification of CAP201 MRI



Suitability for MRI

1.5 T and 3 T

environments with up to

250 mT at the module

Measurement range:

0 vol% to 16 vol%

Measurement accuracy:

0 vol% to 8 vol%:

± (0.26 Vol % + 5 % of real concentration)
8 vol% to 16 vol%:
± (0.43 vol% + 8 % of real concentration)

CO2 value output rate:

8 Hz or 40 Hz (selectable)

Rise time T10-90:

< 150 ms @ 80 ml / min

Start-up time (warm-up):

< 5 s

Power consumption

~ 1.0 W (+ 0.3 W with pump)

Size of board:

70 mm x 40 mm x 26 mm (LxWxH)


69 g (incl. pump)

Features of CAP201 MRI

  • can be used in MRI environments up to 3T

  • High accuracy sidestream CO₂ measurement

  • Low energy consumption and small footprint

  • Calculation of fiCO₂, etCO₂ and breathing rate

  • Compensation of aging and environmental effects

  • Occlusion and breathing detection

  • No recalibration in field required

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