Cosmed K4B2 - Technical features; Portable Unit; Measurement Components

26 - K4 b
2
User Manual
Technical features
Portable Unit
Memory 16,000 breaths
Display LCD 2 lines x 16 characters
Keyboard: waterproof, 6 keys
Serial Port RS 232C
Power supply: Ni-MH rechargeable batteries 3 hours endurance
Thermometer: 0-50°C
Barometer: 53-106 Kpa
Dimensions PU : 170x55x100 mm,
Dimensions battery: 120x20x80 mm
Weight: 400g
Receiver Unit
Transmission range: 800 meters
Battery: 4 x 1.5 V AA
Dimension: 170 x 48 x 90 mm
Weight: 550 g
PC interface: RS 232
Battery charger Unit
Power supply 120V - 240 V
Power consumption 25 W
Flowmeter
Type: Bidirectional digital turbine Ø 28 mm
Flow Range: 0,03-20 L/sec
Accuracy: ± 2%
Resistance: <0.7 cmH
2
O s/L @ 12 L/s
Ventilation Range: 0-300 litres x min
Oxygen Sensor (O
2
)
Response time: <150 ms
Range: 7-24% O
2
Accuracy: ±0.02% O
2
Carbon Dioxide Sensor (CO
2
)
Response time: <150 ms
Range: 0-8%
Accuracy: ±0.01%
Humidity absorber
Capillary of Nafion (Permapure ®)
Power Supply
Voltage: 100V-240V ±10%; 50/60Hz
Power consumption 60W
Environmental Sensors
Temperature: 0-50°C
Barometer: 400-800 mmHg
Humidity: 0-100%