C3 Holter Monitor

Are you a GP or Cardiologist?

You get Medical Grade ECG

Easy application – No cables

Real-time view in remote

Use standard ECG electrodes

c3 Holter Monitor

3 channel ECG measurements

The quality of C3 measurements is our foremost priority. We collaborate with hospitals and universities in research validating the use of the C3 as a Holter Monitor.

Mobile and convenient

We’re participating in projects demonstrating the usefulness of the C3 Holter Monitor in research involving ECG measurements. Easy application, comfort and great flexibility in recording and monitoring make C3 suited perfectly for both short and long term measurements.

We are in the process of obtaining CE Class IIb Medical Device Approval.

Click the button and learn more about our data validation studies C3 Studies

C3 Measurement Details


Three channels
24 bit @ Fs=250Hz

Respiratory Rate

Breaths per minute
24 bit @ Fs=41.67Hz


Skin surface
24 bit @ Fs=41.67Hz


Noise detection
24 bit @ Fs=41.67Hz


Weight: ~24 grams

Length x Height: ~50mm x ~9mm


Bluetooth 4.0 Low Energy (BLE)


Open RESTful API – iOS & Android SDK


Live review of ECG in remote


3.7V rechargeable Li-ion battery

Min. 24 hours when recording to device


Rechargeable via standard micro USB port

Water Resistant

Protected dipping water

 Red Dot™

ECG standard Red Dot™ electrodes


ECG report sent to e-mail

ECG Lead-on

Automated – Recording starts

  Data upload

Via MicroUSB or Bluetooth

 Internal memory

4 GB microSD card > 17 days of continuous recording