PHILIPS VM 4
Features
The Philips SureSigns Vm4 is a portable patient monitor that can also monitor vital signs. The SureSigns VM4 monitor measures ECG, SpO2, non-invasive blood pressure, Hear rate, arrhythmia, pulse rate, temperature, and respiration. The monitor comes with an 8-inch color display screen that can display up to 3 waveforms at once. The patient monitor can store up to 96 hours of trending data. The Philips SureSign VM4 offers 6 hours of continuous battery life before needing to be charged.
- 8 inch, bright, backlit Led display screen
- Audible and visual alarms with nurse call output
- 4 Display Modes: Numeric, Numeric with waveforms, Tabular Trent, Graphical Trend
- Stores up to 96 hours of trending data
Specifications
Dimensions
- Height: 8.6 in ( 22 cm)
- Width: 10.2 in ( 26 cm)
- Diameter: 5.7 in ( 14.5 cm)
- Weight: 3.0 kg (6.6 lbs) excluding optional recorder and temperature module
Physical Specifications
- Screen type: 21.3 cm (8.4”) SVGA TFT-AM LCD display
- Display resolution:800 active pixels/line, 600 active lines/frame
- Screen active area: 170.4 mm x 127.8 mm (6.71” x 5.03”)
- Screen refresh frequency: 60 Hz
- Pixel size: 0.213 mm (inch)
- Viewing angle: approx. 60 °
- Alarm Audio Range: 45 – 85 dB
- System Response Time: 1 sec
Electrical Specifications
- Internal battery: Lithium ion, Smart battery 10.9 V to 11.1 V, 7200 mAhr
- Battery operating time (new, fully charged): 4 hr
- Battery charge time: 4 hr
- Internal power supply: 100 to 240 VAC
- Power consumption: 72 W Frequency: 50/60 Hz
ECG
- Heart rate range: 15 to 300 beats per minute
- Heart rate accuracy: Greater of ±10% or ±5 bpm
- Bandwidth (normal monitoring): 0.67 to 40 Hz
- Bandwidth (filtered monitoring): 0.67 to 20 Hz
- Leads: 3-lead
- Display sweep speeds: 12.5, 25, and 50 ml/s
- Pacemaker detection: Indicator on waveform display (user-selectable)
- ECG size (sensitivity): 2.0, 1.0, 0.5 or 0.25 cm/mV or Auto
- Lead Off condition: Detected and displayed
- Input impedance: Signal reduction is less than 20% in the 0.67 to 40 Hz bandwidth
- Input signal range: ±5 mV
Enviromental Specifications
- Operating temperature: 10 to 40 °C (50 to 104 °F)
- Storage temperature (device): -20 to 50°C (-4 to 122 °F)
- Storage temperature (device plus accessories):-20 to 40°C (-4 to 104 °F) Operating humidity: Up to 80% RH, non-condensing
- Storage humidity: Up to 90% RH, non-condensing
- Altitude: Up to 3000 meters above sea level
Temperature Measurements
- Measurement range – monitored mode: 26.7 to 43.3 °C (80 to 110 °F)
- Measurement range – predictive mode: 34.4 to 40.6 °C (93.9 to 105 °F)
- Accuracy (monitored mode): ±0.1 °C (±0.2 °F)
- Heating/Cooling transient response time: ≤150 sec
- Measurement time: 4 s (Oral); 16 s (Axillary and rectal) sec
- Resolution: 0.1 °C (0.2 °F)
SPO2
- Measurement range: 0 to 100 %
- Pulse rate: 30 to 300 beats per minute
- SpO2 accuracy: 70 to 100% (exact accuracy depends on a sensor) %
- Pulse rate accuracy: Greater of 2% or ±1 bpm
- Wavelength range: 500 to 1000 nm for all specified sensors nm
- Maximum optical output power: ≤15 mW for all specified sensors mW
Non-invasive Blood Pressure
- Technique:Oscillometric using stepwise deflation pressure
- Adult measurement range – systolic: 30 mmHg to 270 mmHg (4.0 kPa to 36.0 kPa)
- Initial cuff inflation – Adult: 160 mmHg (21.3 kPa)
- Adult measurement range – diastolic: 10 mmHg to 245 mmHg (1.3 kPa to 32.7 kPa)
- Adult measurement range – MAP: 20 mmHg to 255 mmHg (2.7 kPa to 34.0 kPa)
- Adult measurement range – pulse rate: 40 to 300 beats per minute
- Pediatric measurement range – systolic: 30 mmHg to 180 mmHg (4.0 kPa to 24.0 kPa)
- Pediatric measurement range – diastolic: 10 mmHg to 150 mmHg (1.3 kPa to 20.0 kPa)
- Initial cuff inflation – Pediatric: 140 mmHg (18.7 kPa)
- Pediatric measurement range – MAP: 20 mmHg to 160 mmHg (2.7 kPa to 21.3 kPa)