Pressing and releasing the START button 2 after the last
12 readings have been recalled will resume the above
sequence from reading 1.
9. Error Messages
• Measured temperature too high AO: Displays «H» when
measured temperature is higher than 100.0 °C (212.0 °F) in
the ear mode or 42.2 °C (108.0 °F) in the forehead mode.
• Measured temperature too low AP: Displays «L» when
measured temperature is lower than 0 °C (32.0 °F) in the
ear mode or 34.0 °C (93.2 °F) in the forehead mode.
• Ambient temperature too high AQ: Displays «H» in
conjunction with the « » when ambient temperature is
higher than 40.0 °C (104.0 °F).
• Ambient temperature too low AR: Display «L» in con-
junction with the « » when ambient temperature is lower
than 5.0 °C (41.0 °F) in the ear mode or 16 °C (60.8 °F) in
the forehead mode.
• Error function display AS: The system has a malfunction.
• Blank display BT: Check if the battery has been loaded
correctly. Also check polarity (<+> and <->) of the battery.
IFR 100
All manuals and user guides at all-guides.com
• Flat battery indication BK: If the steady battery icon is
the only symbol shown on the display, the battery should
be replaced immediately.
10. Cleaning and Disinfecting
Use an alcohol swab or cotton tissue moistened with alcohol
(70% Isopropyl) to clean the thermometer casing and the
measuring probe. Ensure that no liquid enters the interior of
the thermometer. Never use abrasive cleaning agents, thin-
ners or benzene for cleaning and never immerse the instru-
ment in water or other cleaning liquids. Take care not to
scratch the surface of the probe lens and the display.
11. Battery Replacement
This instrument is supplied with one lithium battery, type
CR2032. Replace with a new CR2032 battery when the
flashing battery symbol appears on the display BK.
Remove the battery cover by sliding it in the direction
shown. Remove the battery and replace with a new one BL.
Batteries and electronic instruments must be
disposed of in accordance with the locally appli-
cable regulations, not with domestic waste.
12. Guarantee
This instrument is covered by a 2 year guarantee from the
date of purchase. The guarantee is valid only on presenta-
tion of the guarantee card completed by the dealer (see
back) confirming date of purchase or the receipt.
• The guarantee covers the instrument. Batteries and
packaging are not included.
• Opening or altering the instrument invalidates the guarantee.
• The guarantee does not cover damage caused by
improper handling, discharged batteries, accidents or
non-compliance with the operating instructions.
Please contact Microlife-service.
13. Technical Specifications
Type:
Dual Mode Thermometer IFR 100
Measurement
Ear Mode: 0-100.0 °C (32-212.0 °F)
range:
Forehead Mode: 34-42.2 °C (93.2-108.0 °F)
Resolution:
0.1 °C / °F
Measurement
Laboratory:
±0.2 °C, 32.0 ∼ 42.2 °C
accuracy:
(±0.4 °F, 89.6 ∼ 108.0 °F)
7
EN