Ear thermometer

Accurate temperature reading, Fast measurement in 2 seconds, Syncs with Philips health app DL8740/37


My Philips Ear thermometer indicates LO/HI

If your Philips Ear Thermometer indicates LO or HI there might be a simple solution. Find out how to mend it yourself.

Proper measurement:

1) Remove the protective cap before you use the device.

2) Press the power button to switch on the device.

  • The display shows the last measurement
    result as well as the history icon.
    3) Hold the outer ear and gently pull it towards the
    rear of the head to straighten the ear canal
  • Children under the age of 1 year: hold the outer ear and gently pull it straight back.
  • Children aged 1 year or older: hold the outer ear and gently pull the ear up and

4) Insert the probe tip very gently and slowly into the ear canal.

  • Make sure the probe tip points straight towards
    the eardrum when you hold it.
  • Always insert the probe tip into the same ear, in the same direction and at the same depth.
  • Note: A temperature measurement taken in the right ear may differ from a measurement taken in the left ear.

5) Press the power button to start the

  • When the measurement is done, you will hear 2 beeps

6) Remove the probe tip from the ear

  • The display shows the measured temperature and the temperature light ring around the power button lights up red, if the measured temperature is above 100.4 °F / 38.0 °C.
  • Note: The temperature display on the device shows the measurement result for 30 seconds or until you perform a new measurement.

Measurement range
The measured temperature is out of the measurement range. The thermometer can measure in the range of 32.4 °C to 42.9 °C or 90.3 °F to 109.2 °F.

Still not working?
The thermometer might be malfunctioning. Please contact our Customer Support Team.

The information on this page applies to the following models: DL8740/37 .

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