SSI has advanced the state of the art in reflux monitoring with our AccuTrac™ family of reflux monitoring solutions. Our pH and pH-Impedance ambulatory recorders have wide LCD displays and intuitive input features to simplify use for patient and clinician. Each system includes AccuView™ analysis software, which presents study data in a clear, anatomically oriented fashion and rapidly generates reports using advanced analysis methods. Sierra also offers the Digitrapper pH 400 recorder, commonly recognized as the standard for ambulatory esophageal 24 hour pH monitoring.

A full line of accessories includes VersaFlex^®, and GeroFlex^® pH and pH/impedance catheters, and AccuFET catheters with InsertAssist™ technology with distinct improvements in accuracy, patient comfort, and ease of insertion over other brands.