How To Calibrate Infrared Thermometer Tk-e302. It is best to calibrate your infrared thermometer at more than one temperature (at 41°f [5°c] and 140°f [60°c] for example) and the infrared comparator cup makes it easy. Get your thermometer and aim it at the glass, being careful not to wet the sensor or rest of the thermometer and press the button for a reading if the temperature does not display 32 degrees fahrenheit for freezing, you will need to calibrate it to fix the device
But some support being powered on by pressing the power button on the front side which is usually named as scan. Fill a large glass to the very top with ice (crushed ice is preferred but not required). Fill a glass with crushed ice.
Get your thermometer and aim it at the glass, being careful not to wet the sensor or rest of the thermometer and press the button for a reading if the temperature does not display 32 degrees fahrenheit for freezing, you will need to calibrate it to fix the device
User manuals, shenzhen thermometer operating guides and service manuals. Add a little clean water until the glass is full and stir. Contact body infrared thermometer keeping the 5 to 15 cm (2 in to 5.9 in) distance between the thermometer and the forehead (take care to remove any obstacle which could alter the measurement (hair, perspiration &). This will ensure that the readings are for the water specifically and not the surfaces.