FOT Lab Kit User’s Manual A-1
A Calibration Procedure
Digital Temperature Output Calibration Procedure
A curve-fitted temperature calculation algorithm is used within the
system firmware to provide calibrated temperature output.
Although the user need not be concerned with the temperature
calculation algorithm there are certain physical factors encountered
during the system installation process which can affect the reported
temperature.
■ Type of temperature probe used. The probes used with the
FOT Lab Kit device are LUXTRON Fluoroptic
®
probes. These
probes are available in a variety of lengths and diameters with
varying optical properties depending upon the type of optical
fibers, lenses and filters used.
■ The bend radius of the optical fiber connecting the probe to
the device. Optical fiber is rated for a minimum bend radius
(see probe documentation). Within its specified working
range the actual bend radius of the fiber can affect signal
attenuation.
■ Proximity of the probe tip to the temperature source
(immersion is strongly recommended).
■ The degree to which the temperature source (liquid, air, etc) is
of a homogeneous temperature.
■ Ambient temperature surrounding the device. The FOT Lab
Kit is nearly impervious to changes in ambient temperature
within its working ambient range but care should be used
when working at or near the limits of this range.
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