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.

Opti Limited Warranty

Please see the Technical Documentation Library for translated versions of this warranty.


Opti™ 24-Hour Ambulatory BP Monitor
QRS Diagnostic provides to the original purchaser the following limited warranty from the date of invoice.

  • Serialized blood pressure monitor                                             24 months
  • Accessories (i.e. patient hoses, interface cables, etc.)             90 days
  • OptiFit™ Cuffs                                                                           12 months    


QRS Diagnostic warrants each instrument to be free from defects in material and workmanship. Liability under this warranty covers servicing of the instruments when returned from the customer’s facility prepaid to the prospective factory depending on location. QRS Diagnostic will repair any component(s) or part(s) that it finds to be defective during the period of this limited warranty. Should a defect become apparent, the original purchaser should notify QRS Diagnostic of the suspected defect and request a Return Merchandise Authorization (RMA) number. A RMA will be issued for all repairs. The instrument should be carefully packaged and shipped prepaid to:


QRS Diagnostic
6901 E. Fish Lake Road, Suite 188
Maple Grove, MN USA 55369
Tel:              1.800.465.8408
Fax:             1.763.559.2961


The instrument will be repaired in the shortest possible time and returned prepaid by the same shipping method as received by the factory.


This limited warranty is void if the instrument has been damaged by accident, misuse, negligence, or serviced by any person not authorized by QRS Diagnostic.


This limited warranty contains the entire obligation of QRS Diagnostic and no other warranties expressed, implied or statutory are given. No representative or employee of QRS Diagnostic assumes any further liability or grants any further warranties except as set herein.