7
3.2 User’s responsibility
The pyrometer may only be used when it is in perfect working condition.
3.3 Safety requirements
The instrument works with an operating voltage of 24 VDC. The voltage re-
quired for operation must be supplied by a separate power supply. This
power supply unit must conform to directive DIN IEC 61010.
3.4 Electromagnetic Compatibility
The devices comply with the essential safety requirements of the Elec-
tromagnetic Compatibility Directive 2014/30/EU (EMC Act).
When connecting a power supply unit, make sure that is also conforms
to these standards. Radio interference may arise if the pyrometer is in-
terconnected with such peripheral devices which have not been properly
interference-suppressed. This may necessitate additional interference
suppression measures.
4 General Description
The ARDOCELL PA Series provides efficient, microprocessor-controlled
pyrometers for non-contact temperature measurements
The field of applications for PA 1x includes temperature detection of ma-
terials such as synthetic materials, rubber, textiles, paper, coated sheet
steel, wood or varnish within a range from 0 °C to 1000 °C.
The ARDOCELL PA 13 is specially designed to detect the temperature
of objects in flame-heated furnaces. Because PA 13 works at a narrow
spectral range of 3.9 μm, water vapour and CO
2
in the detector’s field of
view will not influence the measurement, even at greater target distanc-
es. The spectral sensitivity of this model enables highly accurate and re-
liable measurements through flames and combustion gases. This py-
rometer can also tackle other atmospheric challenges such as reducing
the effect of background radiation within.
The ARDOCELL PA 15 was specially developed for temperature meas-
urements of glass. Glass is transparent in the visible spectral range and
in the near infrared range. Its emissivity depends on the wavelength, the
type and the thickness of the glass. In the range of 4.5 - 8 µm glass has
an emissivity of almost 100%. Above 5 µm, atmospheric influences, such
as humidity or water vapour, affect the measurement. The ARDOCELL
PA 15 is provided with a blocking filter with a spectral sensitivity of 4.46 -
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