SomnoStar® 8.1 and z4 Amp
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Patients depend on your knowledge, experience and skill to meet their medical needs
and you depend on us to manufacture, and support the right product and services.
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The SomnoStar® 8.1 Sleep application combines the "gold standard" quality of traditional
polysomnography with the advances of digital technology. SomnoStar® provides a
seamless interface to a variety of powerful transducer packages, including: Calibrated
Respiratory Inductance Plethysmography (RIP) for real-time breath-by-breath Flow
Volume Loop analysis and Heart Rate Variability.
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Electrical/Physical Specifications
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Common Mode Rejection >100 dB, All channels at 50/60Hz
Noise <1.5µV 0.1-100 Hz
Impedance Check Range 0-50 Kohms, at 10 Hz sine wave or square wave,
resolution 0.1 kohms, accuracy + 5%, + 0.2 kohms
Calibration Check 0.1 Hz square wave, 50µVp, and 50µV peak to peak
Patient Sink Current <20µA
Chassis Ground–
<10µA Lead to Lead
Isolation Voltage >3000 VAC RMS from Pt.
Amplifier Size (HxWxL) 2 15/16" x 7 5/16 x 6 3/4 (7.5cm x 18.5cm x 17cm)
Amplifier Weight 3.1 lbs. (1.407 kg)
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Mechanical Specifications - AC Channels
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Channels Channel Type Lead Type HHF
23 inputs,1 common Referential EEG/EMG 100Hz
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Mechanical Specifications - DC Channels
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Channels Input HFF Input Noise
12 -5.0V to 5.0V 11 <2TV peak to peak RTI
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