SureSigns VM4

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	<lt/>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 ml/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 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

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 <gt/>120 rpm
ECG leads used	RA to LL
Display sweep speeds	6.25, 12.5, 25, or 50 ml/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)
Adult measurement range - diastolic	10 mmHg to 245 mmHg (1.3 kPa to 32.7 kPa)
Initial cuff inflation - Adult	160 mmHg (21.3 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)
Initial cuff inflation - Pediatric	140 mmHg (18.7 kPa)
Pediatric measurement range - diastolic	10 mmHg to 150 mmHg (1.3 kPa to 20.0 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); <lt/>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