The Siemens 900C  is a  “Servo” respiratory ventilator available refurbished.  The 900C is applicable for adult, pediatric, and infant use.  This unit has built-in electronic PEEP.  The unit comes with eight different ventilation modes and can be used in intensive care situations, anesthesia, and transport.

Specifications:

• Dimensions:  50cm x 23cm x 32cm
• Weight:  19kg (42lbs) - without accessories.

Control Ranges:

• Working Pressure:  Up to 120cm H2O.
• Modes:  Volume controlled, volume control with sight, pressure controlled, pressure support, synchronized intermittent mandatory ventilation (SIMV), SIMV+ pressure support, continous positive airway pressure, manual ventilation.
  Present inspiratory minute volume:  .5 - 40 1/min, with sufficient working pressure.
• Flow Pattern: constant, accelerating or decelerating.
• Respiratory Rate:  5-120 breaths/min. 
• Inspriatory Time:  20-80% of respiratory cycle.
  Pause Time: 0-30% of respiratory cycle.
• Peep: 0-50cm H2O.
• Upper Limit:  15-120cm H2O
• Trig Sensitivity: -20-0cm H2O (below PEEP)
• Simv Rare:  high rate (4-40 SIMV breaths/min), low rate (.4-4 SIMV breaths/min). 
• Sight: double tidal volume possible every 100 breaths.
• Compressed Volume: 0.075 1(internal).
  Monitoring

Analog Presentation:

•  Airway Pressure:   -20 - 120cm H2O
•  Expired Minute Vol:  adults 0-40 1/min, infants  0-4 1/min.
• Digital Presentations: 
• Respiratory Rate:  5-120 breaths/min.
• O2 Concentration:  in % by volume, 20-100%.
• Inspired Tidal Volume: 0-1999 ml.
• Expired Tidal Volume: 0-1999ml.
• Expiried Minute Volume: adults 0-40 1/min, infants 0-4 1/min.
• Peak Pressure:  0-120cm H2O
• Pause Pressure:  0-120cm H2O
• Mean Airway Pressure:  0-120CM H2O

Gas & Power Supply

• Must fulfill specifications for medical gases.
• Gas Consumption:  approximately equal to preset inspiratory minute volume or equal to flow meter setting.
• Gas Supply Via High Pressure Inlet:  from central gas supply, compressor or gas cylinder.
• Electronic Gas Supply Unit, Inlet Pressure:  2.5-5 bar (250-500 kPa; 35-70 psi).
• Other Gas Supply Inlet Pressure:  2.5-7 bar (250-700 kPa; 35-100 psi). 
• Gas Supply via Low Pressure Inlet:  vial flowmeters.
• Power Supply: (100), 110, 120, 220, 240, 50 OR 60 hZ.
• Power Consumption:  Approximately 40 W.
  

Alarms & Indicatators

• Push Button:  audible signals, muted for 2 min maximum.
• Alarms: gas supply alarm, apnea alarm, expired minute volume, O2 concentration, upper pressure limit, power failure.
• Indicators:  set minute volume alarm, set O2 alarm, set O2 alarm, pressure support, CPAP, MAN SIMV high/low rate, expired minute volume infants, patient trig.

Special Functions

• Inspiratory pause hold, expiratory pause hold gas exchange.