This recommended practice provides a method for in situ immunity testing of electronic devices and systems that are installed and operated at the locations where they are used, as well as where they experience interference. The primary source of the electromagnetic (EM) energy is from transmitters that are authorized to be used, as they are in compliance with regulatory requirements. Another source is the general ambient EM environment from a variety of sources. The ambient EM environment can… read more be characterized via a site survey using the techniques found in IEEE Std 473. In laboratory testing, the product is exposed to RF energy (conducted or radiated) over a wide frequency range. This cannot be done at the in situ location without a special license from regulators (e.g., the FCC). Hence, it is expected that transceivers with known frequencies allowed by the regulatory authorities are used during testing, such as licensed devices or devices using industrial, scientific, and medical (ISM) frequency bands. This is intended to replicate the immunity experience on-site where these devices/sources have been known already to be the cause of interference. NOTE--For interference in healthcare facilities, see ANSI C63.18 [B2]. read less

定价： 59元 / 折扣价： 51 元

This standard provides recommended test methods and limits for assuring the radio frequency (RF) immunity of office equipment to general use transmitters with transmitter power up to 8 watts.

定价： 141元 / 折扣价： 120 元

This recommended practice is a guide to evaluating the electromagnetic immunity of medical devices to radiated radio-frequency (RF) emissions from common RF transmitters (e.g., two-way radios; walkie-talkies; mobile phones; wireless-enabled tablets, e-readers, laptop computers, and similar devices; radio-frequency identification (RFID) readers; networked mp3 players; two-way pagers; and wireless personal digital assistants [PDAs]). This protocol does not provide a comprehensive test or offer… read more any guarantee, but it is a basic evaluation that can help identify medical devices that might be particularly vulnerable to interference from common RF transmitters. The ad hoc test protocol can be used to evaluate existing or newly purchased medical devices or can be implemented for the purpose of prepurchase evaluation. This recommended practice applies to medical devices used in health-care facilities, but it can also be adapted to medical devices in home health-care or mobile health-care settings. It does not apply to implantable medical devices (e.g., pacemakers and defibrillators), transport environments such as ambulances and helicopters, or RF transmitters rated at more than 8 W of output power. Testing with transmitters greater than 8 W in health-care facilities is not recommended because of possible adverse effects on critical-care medical devices that are in use in nearby areas of the facility. Finally, this recommended practice does not address in-band RF interference where the fundamental frequency of an RF transmitter overlaps with frequencies used by a hospital wireless network or monitoring or used by other medical device wireless links. read less

定价： 110元 / 折扣价： 94 元