TESTO 316-4 - Maintaining the product; Charging the rechargeable battery; Changing the sensor head; Cleaning the sensor

Tips and assistance18
Maintaining the product
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Charging tthe rrechargeable bbattery:
See chapter “First steps”
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Changing tthe ssensor hhead:
Attention! Danger of burning from the hot sensor head after prolonged use!
i Before touching the measurement head or packing up the instrument,
switch off and allow to cool.
1 Unscrew the sensor head and remove it from the probe shaft.
2 Plug the new sensor head on to the probe shaft and screw tight.
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Cleaning tthe ssensor:
Tobacco smoke, dirty air, oils, grease and evaporating liquids or gases can lead to
deposits on the surface of the sensor. This can result in reduced sensitivity and
falsified display of concentrations. If necessary clean the sensor.
i Switch on the instrument, wait until the end of the initialization phase and switch
off again. Repeat this procedure several times.
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Cleaning tthe ssensor hhead:
i If dirty, clean the sensor head with a soft dry cloth.
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Cleaning tthe hhousing:
i If dirty, clean the housing with a damp cloth (soap solution). Do not use aggressive
cleaning products or solvents!
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Regular sservicing:
T
esto recommends yearly servicing of the gas detector by an authorized service
centre.