Trouble-shooting

Error message

Situation

Solution

 

 

 

 

No lens filter is attached.

Attach new, clean lens filter.

 

 

 

 

 

 

 

 

 

The thermometer cannot identify

IRT 4020: Clear the display by

 

 

a secure position of the probe.

pushing the «start» button once.

 

 

An accurate measurement was

IRT 4520: Clear the display by

 

 

not possible.

pushing the «I/O» button once.

 

 

 

Take care that the positioning of

 

 

POS = position error

the probe is correct and remains

 

 

 

 

stable.

 

 

 

 

 

 

Ambient temperature is not within

Allow the thermometer to remain

 

 

 

 

the allowed operating range

in a room for 30 minutes where

 

 

(10 – 40 °C or 50 – 104 °F).

the temperature is between

 

 

 

10 and 40 °C or 50 and 104 °F.

 

 

 

 

 

 

 

 

 

 

Temperature taken is not within

Make sure a new, clean lens filter

 

 

 

 

typical human temperature range

is attached and thermometer is

 

 

(34 – 42.2 °C or 93.2–108 °F).

properly inserted. Then, take a

 

 

HI = too high

new temperature.

 

 

 

LO = too low

 

 

 

System error – self-check display

Wait 1 minute until the thermo-

 

 

 

flashes continuously and will not

meter turns off automatically, then

 

 

 

 

 

 

be followed by the ready beep

turn on again.

 

 

 

 

 

 

and the ready symbol.

 

 

 

 

If error persists,

... reset the thermometer by re-

 

 

 

 

moving the batteries and putting

 

 

 

 

them back in.

 

 

 

If error still persists,

… have the thermometer checked

 

 

 

 

at a Braun Customer Service

 

 

 

 

Center.

 

 

 

 

 

10

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Braun IRT4520 manual Trouble-shooting

IRT4520 specifications

The Braun IRT4520 is a highly regarded ear thermometer designed to provide accurate and quick temperature measurements for children and adults alike. This innovative device boasts several features and technologies that make it stand out in the crowded market of medical thermometers.

One of the key features of the IRT4520 is its advanced infrared technology. This enables the thermometer to capture heat emitted from the eardrum and surrounding tissue, providing a precise measurement in just seconds. This is particularly useful for parents who may find it challenging to keep their children still for extended periods during conventional thermometer readings.

The IRT4520 also includes a pre-warmed tip, which enhances accuracy. Unlike many other ear thermometers that measure temperature with a cold probe, the Braun design reduces the risk of inconsistencies by ensuring that the tip is at the optimal temperature before taking a reading. This feature is crucial for obtaining reliable results, especially in fluctuating environmental conditions.

Another notable characteristic of the IRT4520 is its user-friendly interface. The large, illuminated display makes it easy to read temperature measurements even in dim lighting conditions, which is particularly handy for late-night checks. Additionally, the thermometer provides a color-coded fever indicator. This feature quickly distinguishes between normal, elevated, and high fever levels, allowing users to make informed decisions about their health or the health of their family members swiftly.

The Braun IRT4520 is designed with practicality in mind. It includes a memory function that stores up to nine previous temperature readings, enabling users to track their temperature trends over time. This is especially beneficial for monitoring fever progression in children, providing peace of mind for concerned parents.

Furthermore, the thermometer is equipped with a protective cap that not only helps maintain hygiene but also ensures that the device can be easily cleaned between uses. The inclusion of a disposable lens filter reduces the risk of cross-contamination, promoting safe and hygienic measurements for multiple users.

In terms of convenience, the IRT4520 is portable and battery-operated, making it ideal for travel and on-the-go use. It combines efficiency, accuracy, and ease of use, making it a trusted choice in many households.

Overall, the Braun IRT4520 ear thermometer exemplifies cutting-edge technology and thoughtful design, ensuring that families have a reliable tool for monitoring health and fever with confidence and ease.