Nonin Medical manufactures noninvasive patient monitoring devices, specializing in high-precision pulse oximeters, regional oximeters, and capnography solutions for clinical and home use.
Nonin Medical, Inc. is a global leader in noninvasive medical monitoring technologies. Founded in 1986 and headquartered in Plymouth, Minnesota, Nonin revolutionized healthcare by inventing the first low-cost, portable fingertip pulse oximeter. Today, the company continues to design and manufacture durable, high-precision monitoring devices for hospitals, clinics, emergency services, and home care environments.
Nonin's product portfolio includes pulse oximeters, cerebral and tissue oximeters, capnographs, and sensors powered by proprietary PureSAT® signal processing technology. This technology ensures accurate measurements even in challenging conditions such as low perfusion or patient motion. With a commitment to quality and innovation, Nonin empowers healthcare professionals and patients with reliable physiological data to improve health outcomes.
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Most Nonin fingertip pulse oximeters use two AAA alkaline batteries. To install, slide the battery door off the back of the device, insert the batteries matching the polarity markings (+ and -), and slide the door back into place.
Gently wipe the device surfaces with a soft cloth dampened with a mild detergent or a 10% bleach solution. Do not use undiluted bleach, ammonium chloride, or isopropyl alcohol, and never immerse the device in liquid.
Nonin provides warranties for its products covering defects in materials and workmanship. The duration varies by model (e.g., 3 years for the WristOx2 3150). Check the warranty page on the official Nonin website for specific product terms.
Ensure your finger is inserted correctly (centered, nail side up) and that the batteries are fresh. Cold hands or nail polish may also affect readings; try warming your hands or removing polish.
Instructions for the NoninConnect mobile app can be found in the product manual or by scanning the QR code provided with supported devices like the TruO2 OTC.