Cablefree Lightweight Easy

Undiagnosed atrial fibrillation (AF) increases the risk of stroke five-fold. AF related strokes can be prevented through earlier detection and timely treatment. ¹

Better and faster methods of detecting AF are needed.

The C3⁺ offers a faster and easier way of screening your patients for arrhythmia. The C3⁺ records high quality 3 channel ECG, is lightweight, reusable and has 7 days of battery life. Cable-free and attached to the patient using standard electrodes, the C3⁺ offers a truly frictionless Holter Monitoring experience. Additionally, the C3⁺ integrates with multiple third-party analysis software solutions, both stand alone and cloud based.


Using cloud-based solutions, we offer automated reporting, that is quality controlled by humans, to support the diagnosis. The C3⁺ is compatible with a variety of local healthcare applications.

Cortrium Analysis System

Cortrium Analysis System offers automated reports that are quality controlled by humans. The algorithms are CE-certified and ensure a sensitivity of 94% of detecting ventricular beats and 95% of detecting episodes of atrial fibrillation (based on MIT and AHA database).

Sample ReportCortrium Analysis System One-Pager

Third-Party Integration

The C3⁺ recordings can be converted to the European Data Format (EDF+). The .edf format has gained a lot of interest in the past decades and can be considered a standardized data-format for ECG recordings that is supported by a variety of healthcare systems.

Click the button below to get a list of systems that support the .edf format.

.edf compatible software

If you choose to analyse your recordings with Cortrium Analysis System, you can still view the raw data using the .edf format, for example by using the free EDF-Browser. It is also possible to use Kubios HRV for scientific purposes.

Get started. Today.

Contact us to try the C3⁺

Qualified physicians can apply for a trial phase!
We will put you in touch with our local distributors.


Get in touch with us!

Deividas Linka

Regional Sales Manager

Beate Suchanek

Regional Sales Manager, DACH‭+49 176 20970915‬


If your country is not listed below, please contact to learn about distribution in your region.

United Kingdom of Great Britain & Northern Ireland

Express Diagnostics Ltd. was founded in 1994 to provide an easy access, high quality cardiac investigation service to General Practitioners (GPs) and local hospitals. Over the past 20+ years the company has expanded considerably, becoming a leading Cardiology service provider for the Clinical Trials industry and creating a state of the art private health clinic for the general public.


With more than 20 years in the market, SCALEO Medical is a manufacturer of medical devices recognized for offering high quality and innovative devices in the fields of oxygen therapy, patient hygiene and transfer and medical weighing.
SCALEO Medical advocates for the safety and efficiency of hospitals, nursing homes and healthcare centers, providing products conceived to enhance the comfort and dignity of patients, to reduce the risk of injury and to increase the efficiency of the nursing staff.


Through their expertise in the medical field and their highly specialized team, Bood Health aims at providing the most innovative solutions and equipment in the field of wireless and telecare solutions. Bood  Health is also a recognized market leader in the field of medical project management and has already provided various turn key solutions in leading medical institutions across the country

Czech Republic

Medicton Group, s.r.o. has been active on the Czech medical technology market since 2005. In addition to developing and producing its own innovative medical devices, the company provides distribution of medical devices from leading manufacturers and a wide range of metrological, revision, service and other control activities for customers ranging from practitioners to university hospitals.

Medicton Group s.r.o. | 


C3 Holter Hungary Ltd. was founded to provide the Hungarian market with Cortrium’s Long Term ECG Holter Solution. We entrust the cablefree solution from Cortrium and would like to offer the innovative solution to Hungarian cardiologists, hospitals and General practitioners in our strive for a healthier nation. We believe that the C3⁺ Holter Monitor the best device to detect hidden heart rhythm disorders.

C3 Holter Hungary Ltd. | | | +36 30 27 90 138

Australia & New Zealand

Life Systems Medical Pty Ltd. was established in 1999 with the focus on partnering with leading global medical device manufacturers and ANZ physicians, to bring life changing solutions for patients. Whilst the foundation of the company was in cardiac rhythm management (CRM) Life Systems Medical has launched world leading medical devices in all areas of cardiology from diagnostic solutions to implantable devices for heart failure.


Mediquip is one of the absolute leading companies in the field of home care in Israel. Mediquip is a subsidiary of the Novolog Group which engages in healthcare services and specializes in healthcare logistics and the provision of technology based medical services and information.

South Africa

Ikon Life (PTY)LTD is a South African Based medical devises company that distributes innovative medical solutions in South Africa and the SADC region.


Medivar OÜ is a medical wholesale supplier in Estonia. We are partners with all of hospitals and more than 300 private clinics. Our mission is to be a reliable partner for the healthcare worker, making their life easier to treat their patients.


Artropulss Ltd. is an experienced distributor of medical equipment and devices in Latvia since 2003. Specialized in importing and distributing of medical equipment, devices, implants, surgical tools for traumatology and orthopaedics, sports medicine, gynecology, ENT, cardiology.  

Supplying innovative solutions and highest technologies for surgeons and other healthcare practitioners both in public and private sector.


ABIOTEK was established in 2013 by professionals experienced in the distribution of medical devices, management of medical services and startups. ABIOTEK is a distributor of innovative medical solutions to the hospitals, clinics and patients in Lithuania, Latvia, Estonia. Company’s goal is to be the partner of choice for the leading medical professionals as well as for manufacturers of state-of-the-art medical devices, equipment and technologies.


For sales inquiries in Germany, our Berlin based office will happily answer your request.

Contact us today. 

Mediverbund Praxisbedarf GmbH ensures a 360° supply for Healthcare Professionals.

Technical & regulatory information


Medical PurposeAmbulatory ECG
Recording FormatContinuous
Recording Period7 days on a single charge
ChargingRechargeable through micro USB
Sample Rate256Hz
Frequency Response0.05Hz – 40Hz
IP RatingIP54

Please don’t hesitate to get in touch with our technical support.


¹ Camm AJ et al.: E.S.C. Committee for Practice Guidelines. 2012 focused update of the ESC Guidelines for the management of atrial fibrillation: an update of the 2010 ESC Guidelines for the management of atrial fibrillation. Developed with the special contribution of the European Heart Rhythm Association. Eur Heart J 2012; 33(21): 2719–47.

What's in the package?

The package contains the Holter Monitor, a micro-USB cable, instructions for use and a getting started guide.

You can find further information on how to get started with your new Holter Monitor and access to our customer support resources at