Reducing Emi (Electromagnetic Interference) - Nellcor OXIMAX N-600X Series Service Manual

Setting Up the Oximeter
5. Apply the sensor to the patient. Be sure to read the Directions for Use
accompanying the sensor.
6. When the oximeter detects a valid pulse, it enters the monitoring mode and
displays real-time patient data.

Reducing EMI (Electromagnetic Interference)

Caution
This device has been tested and found to comply with the limits for medical devices related
to IEC 60601-1: 1988 + A1: 1991 + A2: 1995, EN60601-1:1990 + A11: 1993 + A12: 1993 + A13:
1996, and the Medical Device Directive 93/42/EEC. These limits are designed to provide
reasonable protection against harmful interference in a typical medical installation.
Because of the proliferation of radio frequency transmitting equipment and other
sources of electrical noise in health care environments (for example, electrosurgical
units, cellular phones, mobile two-way radios, electrical appliances, and
high-definition television), it is possible that high levels of such interference due to
close proximity or strength of a source may result in disruption of N-600x pulse
oximeter performance.
The OxiMax N-600x pulse oximeter is designed for use in environments in which the
pulse can be obscured by electromagnetic interference. During such interference,
measurements may seem inappropriate or the oximeter may not seem to operate
correctly.Disruption may be evidenced by erratic readings, cessation of operation, or
other incorrect functioning. If this occurs, survey the site of use to determine the
source of this disruption, and take the listed actions to eliminate the source.
1. Turn equipment in the vicinity off and on to isolate the offending equipment.
2. Reorient or relocate the interfering equipment.
3. Increase the separation between the interfering equipment and the oximeter.
The oximeter generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with these instructions, may cause harmful
interference with other susceptible devices in the vicinity.
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10030881 Rev. B 12-2008
Service Manual