Customer Care

QRS promises satisfaction, guaranteed.  Below please find resources to support and assist you when using your QRS device.  If you can't find what you are looking for, please contact Customer Care and we will work with you to answer your questions and develop solutions to the problems or issues you may be experiencing.

Technical Documentation


Welcome to the QRS Technical Documentation Library.  Choose your product below to access manuals, installation instructions, quick start guides and more.


ECG | Universal ECG™

Orbit Portable Spirometer

Spirometry | Orbit™ & SpiroCard™

Opti 24-Hour Ambulatory Blood Pressure Monitor

Blood Pressure | Opti™

Combination Holter and Event Digital Recorder, 5-Lead

Holter | Q200/HE™