Home > Products > SphygmoCor >CPV

The SphygmoCor® CPV System

The gold standard in noninvasive central blood pressure and pulse wave velocity assessment
SphygmoCor technology is the gold standard for noninvasive measurement of central blood pressure and pulse wave velocity. It has been featured in hundreds of published clinical studies, and is used in leading medical centers worldwide and in pharmaceutical clinical trials.


SphygmoCor systems acquire the patient’s radical pulse wave form through a measurement taken at the wrist, derive the blood pressure wave form at the ascending aorta and report vital central blood pressure data.

The SphygmoCor CPV system also measures pulse wave velocity between two arterial locations.


Instantaneous calculation of key parameters, including
  • Ascending Aortic Blood Pressure
  • Pulse Wave Velocity--any two accessible arterial sites
  • Aortic Pulse Presssure
  • Aortic Augemtentation Index
  • Ejection index
  • Automatic, real-time QA feedback—minimal potential for operator variability
  • Only one operator required
  • Noninvasive tests, comfortable for patients
  • Heart Rate Variability Option


  • Central pressure proven to be a superior, independent predictor of future cardiovascular events
  • Allows assessment of vital drug effects that cannot be detected with brachial pressure measurement
  • Provides patients with visual evidence of the effects of lifestyle changes and drug therapies
  • Allows integrated analysis of aortic and arterial tree stiffness


Product Configuration
Product Inputs
SCOR CPV Tonometer ECG

Physical and Environmental Specifications

Operating Ambient temperature: +15°C to 30°C (59°F to 86°F)  
Operating Relative humidity 20% to 80%  
Power supply (USB powered): Supply Voltage Power Consumption Protective Class USB +5VDC 500 mA Max IEC Class I, II or Internally powered (Depends on Computer that module is connected to.
  Applied Parts Type CF (ECG)
Type BF (Tonometer)
  Power Connector Via USB Type A Connector
Physical Specifications Enclosure Material Weight(Module & Tonometer) Dimensions PC-ABS 0.8 kg (1.8 lbs) 16.0 (l) x 26.4 (w) x 5.8 (h) cm 6.2” (l) x 10.4” (w) x 2.3” (h)

Input Signal Specifications

Input Specification
Tonometer Diffused semiconductor whetstone bridge sensor
Sensitivity 5 μV/V/mmHg
Contact Pressure Range 0 – 300 mmHg
Calibration Un-calibrated (Calibrate manually
with sphygmomanometer)
  Reference Pressure Bandwidth Sampling Rate Gain & Offset Adjust Signal Range, Accuracy Atmosphere DC – 40 Hz 128 Hz Auto 10mV, ±5%
ECG Type Bandwidth 3-Lead (Lead II) 0.67 – 40 Hz (Device does not support extended low frequency response)
  Sampling Rate
Gain & Offset Adjust
Signal Range, Accuracy
Heart Rate Range
Heart Rate Accuracy
PWV: 128 Hz HRV: 1024 Hz
±5mV, ±20%
30 BPM to 200 BPM
±10 %
Footswitch Type
IP Rating

PC Interface Specifications

Minimum Computer Requirements. IBM compatible PC or notebook computer with: Pentium Processor P4 or greater
1024 x 768 256-colour XGA display
60GB initial free hard disc space
CD-ROM drive
Windows standard printer drivers
Dedicated USB port
Windows XP Pro or Business Pro only
Vista Business or Vista Ultimate only
The SphygmoCor® EM3 is not supported on Windows NT/95/98/ME.
Unication Interface USB 1.1 serial interface
USB Type B Female connector


  • FDA clearance
  • EU CE Mark (MDD, ANNEX II, Class IIa)
  • MHLW, Japan
  • TGA, Australia
  • IEC 60601-1/ AS/NZS 3200.1 (amendments 1 and 2) Electromedical Equipment Safety standard
  • IEC 60601-1-2 Electro-Medical Equipment, ElectroMagnetic Compliance (EMC) Standard