MD908s

ECG
Lead Mode           5 Leads ( R L F N C or RA LA LL RL V)
Lead selection      I II III avR avL avF V
Waveform             2 ch
Lead mode           3 Leads ( R L F or RA LA LL)
Lead selection      I II III
Waveform             1 ch
Gain                     ´2.5mm/mV ´5.0mm/mV ´10mm/mV ´20mm/mV
HR and Alarm                       
 
Range     
Adult          30 ~ 300 bpm
Neo/Ped    30 ~ 350 bpm
Accuracy                           ±1% or ±1bpm which great
Resolution                         1 bpm
Sensitivity                           > 200 uV P-P
Differential Input Impedance  > 5 MΩ
CMRR
Monitor                              > 105 dB
Operation                           > 105 dB
Diagnosis                           > 85 dB
Electrode offset potential  ±300mV
Leakage Current               < 10 uA
baseline Recovery            < 10 s  After Defi.
ECG Signal Range            ±8 mV (Vp-p)          
 
Bandwidth   
Surgery                              1 ~ 15 Hz
Monitor                                0.5 ~ 35 Hz
Diagnostic                           0.05 ~ 100 Hz
Calibration Signal  1 mV (Vp-p)  ±5%  Accuracy
 
ST Segment Monitoring Range                         
Measure and Alarm             -2.0 ~ +2.0 mV
 
ARR Detecting      
Type       ASYSTOLE VFIB/VTAC COUPLET BIGEMINY TRIGEMINY R ON T VT>2 PVC TACHY BRADY MISSED BEATS PNP PNC
Alarm                                          Available
Review                                        Available
Tall T-wave rejection capability    1.2mV
Heart rate averaging the average value of the latest 6 R-R intervals which have ignored the maximum and minimum  
Updating rate of the display        1s
Heart rate meter accuracy and response to irregular rhythm：
Bigeminy ventricular                                         80bpm
Bigeminy ventricular alternative lente               57 or 63bpm
Bigeminy ventricular alternative rapid              122 or 123bpm
Systoles bidirectional                                        95bpm
Response time to heart rate meter to change in heart rate 80 to 120bpm        
Average          3.7s
Range             3.2s ~ 4.1s  80 to 40bpm         
Average          4.7s

NIBP
Method                                                     Oscillometric
Mode                                                         Manual Auto STAT
Measuring Interval in AUTO Mode           1 2 3 4 5 10 15 30 60 90120240480960Min
Measuring Period in STAT Mode              5 Min
Pulse Rate Range                                    40 ~ 240 bpm
Alarm Type                                               SYS DIA MEAN
 
Measuring and alarm Range                                             
Adult Mode
SYS                        40 ~ 270 mmHg
DIA                         10 ~ 215 mmHg
MEAN                     20 ~ 235 mmHg
Pediatric Mode
SYS                         40 ~ 200 mmHg
DIA                          10 ~ 150 mmHg
MEAN                      20 ~ 165 mmHg
Neonatal Mode
SYS                         40 ~ 135 mmHg
DIA                          10 ~ 100 mmHg
MEAN                      20 ~ 110 mmHg
 
Resolution             
Pressure                1mmHg                 
Accuracy
Pressure
Maximum Mean error               ±5mmHg
Maximum Standard deviation   ±8mmHg

Overpressure Protection
Adult Mode                        297±3 mmHg
Pediatric Mode                  240±3 mmHg
Neonatal Mode                  147±3 mmHg

TEMPERATURE 
Channel                                   2
Measuring and Alarm Range   0 ~ 50 °C
Resolution                                0.1°C
Accuracy                                 ±0.1°C
Actualization interval               about 1 Sec.
Average Time Constant          < 10 Sec.

IBP (optional)
Channel         2
Label              ART PA CVP RAP LAP ICP P1 P2
Measuring and alarm range 
                     ART                0~300mmHg
                     PA                  -6~120mmHg
                     CVP/RAP/LAP/ICP   -10~40mmHg
                     P1~P2              -10~300mmHg
Press Sensor
               Sensitivity              5 uV/V/mmHg
               Impedance             300-3000Ω
Resolution                           1mmHg
Accuracy                              ±2% or 1mmHg which great
Actualization Interval            about 1 Sec

Display
Device                 
12.1 in.  Color TFT  Made by Sharp Japan
 
Messages             
7 Waveforms Maximum
1 Alarm LED  ( Yellow/Red)
1 Power LED (Green)
1 Battery Charge LED ( Yellow)
3 Sound Mode corresponding Alarm Mode
 
Signal Interface  
ECG Output                         BNC
Amplitude                           1 V/mV
Accuracy                             < 5 %
Impedance                          50 Ω
Signal Delay                         < 20 mS
 
Recall
Trend Recall
Short    1 hrs 1 Second Resolution
Long     72 hrs   1 Min. Resolution
Alarm Event Recall
71 alarm events of all parameters and 8/16/32seconds of corresponding waveform.
NIBP Measurement Recall
At least 400 NIBP measurement data.

Battery                
Rechargeable 3.7 A/Hr 7.4V Li battery
Operating time under the normal use and full charge greater than 180minutes
Operating time after the first alarm of low battery will be about 5 minutes
Recorder (Option)
Record Width                      48 mm
Paper Speed                       25/50 mm/S
Trace                                    2
 
Size and Weight
Size       Monitor                  310 x 140 x 263  mm
Weight Monitor                    3.8  kg

Standard:

ECG Cable (5 Leads) ...... 1Pcs
SpO2 Cable (Adult)  ........ 1Pcs
TEMP Probe (Adult)  ....... 1Pcs
NIBP Tube(150cm)  ......... 1Pcs
Ground Cable   ................ 1Pcs
Power Cable  ................... 1Pcs
Cleaning Cloth  ................ 1Pcs

Options:

NIBP Cuff (infant 8 - 14 cm 5/Bag)

Paper Role
Thermal printer
Patient Monitor Wall mounts (3 Models)
Patient Monitor Trolley (5 Models)