Model

SM50

Size

175 mm (H) × 85 mm (W) × 32 mm (D)

Weight

Single SpO2 version 280g, SpO2 + NIBP + TEMP version 370g

I / O

Display: 3.5” LCD 480 x 320 pixels

Buttons: 3 shortcut keys, 5 function keys

Communication interface

USB

Standard SpO2

Accuracy: 70 % ~ 100 %, + 2 %; 0 % ~ 69 %, unspecified

Range: 0 ~ 100 %

Alarm range: same as display range, alarm limit setup length is 1 %

PR

Range:20 bpm ~ 254 bpm 

Alarm range: same as display range, alarm limit setup length is 1 bpm

Refreshing rate: about 1 second

Accuracy: ± 3 bpm

PR average: 8 seconds

Pitch tone: yes

TEMP

(optional)

Accuracy: ± 0.2 ℃ (0 ℃ ~ 50 ℃)

Range: 0 ℃ ~ 50 ℃

Alarm range: upper limit 0.1 ℃ ~ 50.0 ℃, lower limit 0.0 ℃ ~ 49.9 ℃

Alarm delay time: < 10 s

NIBP

(optional)

Method of measurement: oscillation

The measured parameters: SBP, DBP, MAP

Operating mode: manual, automatic, continuous

SBP range: adult (30 mmHg ~ 270 mmHg), child (30 mmHg ~ 230 mmHg)

DBP range: adult (10 mmHg ~ 220 mmHg), child (10 mmHg ~ 165 mmHg)

MAP range: adult (10 mmHg ~ 240 mmHg), child (10 mmHg ~ 175 mmHg)

Accuracy: ± 5 mmHg or ± 4 %, whichever is the greater

Range: same as display range, alarm limit setup length is 1 mmHg

Alarm delay time: < 10 s

Cuff pressure range: 0 mmHg ~ 300 mmHg

Cuff inflation speed: cuff inflation speed ≤ 50 mmHg/s

Static pressure measurement error: ± 3 mmHg (not up to over pressure protection)

Display resolution: 1 mmHg

Battery

Input power: 100 ~ 240 V AC, 0.4 A, 50 / 60 Hz, ± 10 %

Type: lithium ion

Capacity: 3.7 V / 4000 mAh

Working time: brand new battery with fully charged ≥ 24 hours

Charging time: around 8 hours

Environment specification

Temperature: 0 ℃ ~ 40 ℃

Humidity: 15 % ~ 80 %, non-condensing