COSMED - Quark i2m: Forced Oscillations Technique

Quark i2m Brochure

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Forced Oscillations (FOT), the easiest way to measure respiratory resistance! Forced Oscillation Technique Pseudo Random Noise Signal Total Respiratory Impedance: Resistance and Reactance No patient collaboration required, ideal for pediatric use Fast and easy assessment (8 sec processing time)

Respiratory Mechanics: Forced Oscillation (FOT)

Forced Oscillations

Type:	optimized pseudorandom noise (PRN) between 4Hz and 48Hz
Measurement range:	0.5 - 40 hPa/(L/s)
Accuracy:	± 2%
Resistance:	(Rrs) in hPa/(l/s)
Reactance:	(Xrs) in hPa/(l/s)
Coherence:	0-1, (Index = 0,95)
Measurements:	Resonance frequency, frequency dependency, average Rrs and Xrs, discriminant function
Monitoring:	on line of both breathing signal and PRN
Processing time:	8 sec.
Data:	between 4 and 48Hz (frequency step 2 Hz)

Pressure Sensors

Type:	Piezo-resistive
Range:	0-1 psi

Hardware

Dimensions (mm, inc):	33cm x 41cm h 16cm (12,9 x 16in h 6.2in)
Weight (g, lbs):	6 kg (13,2 lb)
Temperature:	0-50°C (32 - 122 F°)
Barometer:	400-800 mmHg
Humidity:	0-100%
Power supply:	100/240V ± 10% 50-60 Hz
Power consumption:	100 W
Class:	I type BF (EN60601-1)

Standard Packaging

Quark i2m unit, calibration unit, antibacterial filters, PC software, serial communication cable, user manual.

PC Configuration Required

Pentium or faster. Operating system: Windows XP, 2000, 98/95, NT, Vista (32 bit), Windows 7 (32 bit). 128 Mb RAM or more, Serial port RS-232 available, CD-Rom reader, 80 Mb on HD space available.

Safety & Quality Standards