Is RFID Dishwasher-Safe?

By RFID Journal

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Ask The ExpertsIs RFID Dishwasher-Safe?
RFID Journal Staff asked 5 months ago

Could radio frequency identification tags withstand the high pressure and temperature levels involved?

—Marco

———

Marco,

Most residential dishwashers operate at between 120 and 150 degrees Fahrenheit (49 and 66 degrees Celsius). Commercial dishwashers in restaurants typically operate at 150 to 160 degrees Fahrenheit (66 to 71 degrees Celsius) during their main cycle and reach as high as 180 degrees Fahrenheit (82 degrees Celsius) during their rinse cycle.

There are many RFID tags on the market that can withstand such temperatures. For example, a couple of years ago, Omni-ID introduced its Fit 100, Fit 400 and Fit 210 tags (see New Omni-ID Passive UHF Tags Endure 225 Degrees Celsius), which can withstand temperatures of up to 437 degrees Fahrenheit (225 degrees Celsius). Meanwhile, Technologies ROI (TROI) offers the Armored 400c and the CUBE 400c (see Can Any Passive RFID Transponders Withstand Temperatures of Up to 400 Degrees Celsius?), which can withstand temperatures of up to 400 degrees Celsius (752 degrees Fahrenheit).

There are other tags that can withstand high temperatures. The right one for your application would depend on the size, form factor, attachment method and read distance required, as smaller tags have a shorter read distance due to their smaller antenna. Many options will be exhibited at RFID Journal LIVE! 2020 in September. I hope to see you there.

—Mark Roberti, Founder and Editor, RFID Journal

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