AIM, the worldwide industry association for the automatic identification industry, has released a new standard: Medical Electrical Equipment & System Electromagnetic Immunity Test for Exposure to RFID Readers. The AIM standard 7351731 provides specialized guidance on the testing of non-implantable medical devices to determine if they are immune to emissions from radio frequency identification (RFID) systems. The standard requires medical electrical devices to be tested for Immunity against RFID readers with multiple frequencies from 134.2 kHz to 2.45 GHz.
Voyantic Immunity Test System
The Voyantic Immunity Test System is an easy way to enable a test laboratory to perform the immunity tests. The same system can be used in medical equipment development for in-house RF immunity tests against RFID readers.
Voyantic Immunity Test System is a software defined radio that generates the required RFID signals with all required frequencies and protocols. The functionality corresponds a nexgen conformance analyzer as described in the AIM standard. The system is compatible with common RF test equipment such as amplifiers, Helmholtz or other radiating antenna and anechoic or semi-anechoic chambers. The system includes:
- Voyantic RFID Command Generator software creating RFID commands
specified in the standard
- Signal Generator hardware transmitting the various RFID commands.
The Voyantic Immunity Test Equipment for Medical Electrical and Electronic Devices can be connected to an amplifier and antenna for reaching correct signal level at the test position. Voyantic can also deliver other components of the entire test setup: antenna, amplifier, test chamber and field strength meter.
Medical Device Immunity Test Arrangement and Voyantic Immunity Test System as a part of the test arrangement
The Medical Device Immunity Test software can be used also with common Vector Signal Generators (VSG) instead of hardware from Voyantic.
The test software is able to generate all signals defined in the AIM standard:
The standard can be purchased here: AIM 7351731 Med Electrical Equip & Sys Electro Immunity Test for RFID Readers
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