2 Safety and the environment
33
2.2. Ensure safety
> Only operate the product properly, for its intended purpose and
within the parameters specified in the technical data. Do not
use any force.
> Never use the instrument to measure on or near live parts.
> Before each measurement check that the connections are
correctly closed with blanking plugs or that appropriate sensors
have been correctly plugged in. The protection class in the
technical data specified for the corresponding instrument may
otherwise not be reached.
> testo 176 T3 testo 176 T4: The maximum permissible difference
in potential between the sensor inputs is 50 V. Take this into
account when using surface sensors with non-isolated
thermocouple.
> After the final measurement, allow probes and probe shafts to
cool down sufficiently in order to avoid burns from the hot
sensor tip or the probe shaft.
> Temperatures given on probes/sensors relate only to the
measuring range of the sensors. Do not expose handles and
feed lines to any temperatures in excess of 70 °C unless they
are expressly permitted for higher temperatures.
> Carry out only the maintenance and repair work on this
instrument that is described in the documentation. Follow the
prescribed steps exactly. Use only original spare parts from
Testo.
> After the final measurement, allow probes and probe shafts to
cool down sufficiently in order to avoid burns from the hot
sensor tip or the probe shaft.
> Do not use the device in a polluted environment (heavily dusty,
oil, foreign matter, volatile chemicals).
2.3. Protecting the environment
> Dispose of faulty rechargeable batteries/spent batteries in
accordance with the valid legal specifications.
> At the end of its useful life, send the product to the separate
collection for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
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