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8 Troubleshooting
1. If an exact switch temperature is necessary a comparison measurement is recommended (e.g. with a
pyrometer or a contact temperature sensor). To set the switch point turn the potentiometer with a suitable
screw driver until the switch switches.
2. If an exact temperature value is not necessary just align the instrument to the (hot) measuring object and
turn the potentiometer until it switches.
3. The new switching point for your application is now established and the temperature switch is ready for
use.
7.2 Avoiding reading errors caused by faulty assembly
To avoid reading errors if an exact temperature value is necessary, please note the following points when
mounting the switch:
1. The diameter of the measuring object should not be smaller than the switch's spot size (see Optics
(section 5.2) at page 6).
2. A source of radiation behind or around the measuring object can influence the result. If the object of
interest is transparent or partly transparent, another material behind the object could transmit its radiation
to the pyrometer as well. In this case the location of the switch should be changed, or, if the background
radiation remains constant it can be compensated for by changing the setting point respectively.
3. Please take into account that radiation, from other hot materials around the measured object, can be
reflected and influence the result. If the measured object has a low emissivity, the measured temperature
will be mainly that from the reflected object - not from the intended measured object itself. To prevent
ambient radiation from reaching the spot area, a mounting tube should be used. The mounting tube
should be placed as near as possible to the measured object so that the tube's shadow blocks out most
of the ambient radiation.
8 Troubleshooting
DANGER:
There is a danger of injury and possible equipment damage through incorrect power supply!
Let problems relating to an incorrect power supply be eliminated by an electrical specialist! Do not
carry out arbitrary work on the electrical components of the pyrometer!
Only eliminate such problems yourself when their causes obviously relate to incorrect power supply, under-
cooling or contamination of the lens.
Do not undertake any interventions into the pyrometer. If problems arise which do not relate to the causes
mentioned above, inform the service staff of the KLEIBER Infrared GmbH. (for contact data see (section 3.3)
at page 4)
10
Figure 7: Adjust the switching mark
KS 218 - TS KG 218 - TS
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