AOJ-20B Non-contact Infrared Thermometer

Item No.: 20B
1. Ultra Sensitive sensors and the latest smart chip ensure excellent performance
2. Age precision button to select the appropriate age setting
3. 40 sets of data memories for previous temperature readings
4. Shut down automatically after 10 seconds







Product name

FDA approved 510k non-contact infrared thermometer with local medical device license




Applicable regulations and laws


ASTM E 1965-98 (Reapproved 2009)

Standard Specification for Infrared Thermometers for Intermittent Determination of Patient Temperature                                               

ISO80601-2-56 First Edition 2009-10-01

Medical Electrical Equipment - Part 2-56: Particular Requirements For Basic Safety And Essential Performance Of Clinical Thermometers For Body Temperature Measurement. (General Plastic Surgery/General Hospital)


Segment LCD, green and red LCD backlight

Temperature units

℃ /℉, switchable

Power supply


Measurement range

Forehead: 32.0°C-42.9°C (98.6°F-109.2°F)

Ear: 32.0°C-42.9°C (98.6°F-109.2°F)

Object: 0°C-100°C (32°F-212°F)

Accuracy (Laboratory)

Ear & Forehead mode

±0.2℃ /±0.4℉

Object mode


Display resolution


Automatic shutdown



40 groups of measured temperature.

Operational conditions

Temperature: 10℃-40℃ (50℉-104℉) /

Humidity: 15-95%RH, non-condensing Atmospheric pressure: 70-106 kPa

Storage condition

Ambient Temperature: -20°C to 55°C (-4°F-131°F)

Relative Humidity: 0-95% RH, non-condensing

Atmospheric pressure: 50kPa to 106kPa


2*AAA, can be used for more than 3000 times

Weight & Dimension

80g (with battery), 143×35×41mm(body size)