How can I confirm that the pen type thermometer is still accurate after a period of time or after a drop?
MICROLIFE thermometers are equipped with an automatic performance test. Every time you switch on the thermometer, an internal program performs an accuracy is within +,-0.1°C, the thermometer will automatically switch into the measuring mode. If the accuracy is out side +, – 0.1°C the thermometer will show ‘ERR’ in the display and it is impossible to take a measurement. In relation to ageing, the reference thermistor, which is used for the accuracy test, may change its value. In such a rare case, even the self – check test does not recognise it. This is why for security reasons and in accordance with international standards, each thermometer should be controlled every two years against an accurate reference device.
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