Patient Monitors

SureSigns VM4

Bedside patient monitor

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The SureSigns VM series patient monitors are ideal for monitoring, recording, and alarming multiple physiological parameters of adults, pediatrics, and neonates in healthcare environments, including intra-facility transport.

Specifications

SureSigns VM4
SureSigns VM4
Dimensions
  • 26 cm W x 22 cm H x 14.5 cm D (10.2" W x 8.6" H x 5.7" D)
Weight
  • 3.0 kg (6.6 lbs) excluding optional recorder and temperature module
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
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
Internal power supply
  • 100 to 240 VAC
Battery charge time
  • <4 hr
Power consumption
  • 72 W
Frequency
  • 50/60 Hz
Recorder
Recorder
Recorder type
  • Thermal
Paper width
  • 58 mm (inch)
User Selectable Speeds
  • 6.25, 12.5, 25, and 50 mm/s
Environmental specifications
Environmental specifications
Mechanical Shock
  • Complies with mechanical shock requirement in ISO 9919 standards for use within the healthcare facility.
Mechanical Vibration
  • Complies with mechanical vibration requirement in ISO 9919 standards for use within the healthcare facility.
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
ECG
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 mm/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
Impedance Respiration
Impedance Respiration
Technique
  • Trans-thoracic impedance
Measurement range
  • 0 to 150 r/min
Accuracy
  • ±1 rpm in the range of 0 to 120 rpm; ±2 rpm in the range of >120 rpm
ECG leads used
  • RA to LL
Display sweep speeds
  • 6.25, 12.5, 25, or 50 mm/s
Lead Off condition
  • Detected and displayed
Non-invasive Blood Pressure
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)
Pediatric measurement range - pulse rate
  • 40 to 300 beats per minute
Neonatal measurement range - systolic
  • 30 mmHg to 130 mmHg (4.0 kPa to 17.0 kPa)
Neonatal measurement range - diastolic
  • 10 mmHg to 100 mmHg (1.3 kPa to 13.3 kPa)
Neonatal measurement range - MAP
  • 20 mmHg to 120 mmHg (2.7 kPa to 16.0 kPa)
Neonatal measurement range - pulse rate
  • 40 to 300 beats per minute
Blood pressure accuracy
  • 8 mmHg maximum standard deviation; ±5 mmHg maximum mean error
Pulse rate accuracy
  • 40 to 100 bpm: ±5 bpm; 101 to 200 bpm: ±5% of reading; 201 to 300 bpm: ±10% of reading
Initial cuff inflation - neonatal
  • 100 mmHg (13.3 kPa)
NBP intervals
  • Automatic measurements at intervals of 1, 2, 3, 5, 10, 15, 30, 60, 90, 120 minutes, and STAT
Temperature Measurements
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)
Heating/Cooling transient response time
  • ≤150 sec
Accuracy (monitored mode)
  • ±0.1 °C (±0.2 °F)
Measurement time
  • 4 s (Oral); <16 s (Axillary and rectal) sec
Resolution
  • 0.1 °C (0.2 °F)
SpO2
SpO2
Measurement range
  • 0 to 100 %
Pulse rate
  • 30 to 300 beats per minute
SpO2 accuracy
  • 70 to 100% (exact accuracy depends on 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