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Adtemp™ 421 Tympanic Ear Thermometer

American Diagnostic Corp


  • Measures core temperature instantly from the ear reliably and accurately
  • Range 89.6°F-108°F ± .4°F or 32°C-42.2°C ± .2°C depending on scale selection
  • Large 6mm illuminated display is easy to read
  • Compact (5-inch Long, 1.9 oz.) ergonomic design fits comfortably in the operator's hand and patient's ear
  • Audible fever alarm at 99.5°F (37.5°C)
  • 12 reading memory
  • Complete with lithium battery, storage/travel case, and operating instructions
  • Meets ASTM E1965-98 standards for accuracy




Shipping Weight

0.58 LB


± 0.1° C / ± 0.2° F

Digital Display

Fahrenheit / Celsius



Ear Probe

1 Second Response

89.6°F to 108°F / 32°C to 42.2°C


FSA Elgible


AdTemp 421 Tympanic Ear Thermometer

Excluding Sales Tax
  • Each
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