Major tech MTi13, Инструкция по эксплуатации

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the more potential error is associated with the Imager’s temperature
measurement calculations. This is also true even when adjustments to the
emissivity and reflected background adjustments are performed properly.
• Emissivity is set directly as a value or from a list of emissivity values for
some common materials.
• The global emissivity displays in LCD Screen as E=x.xx.
• The following table gives typical emissivity of important materials:
5.8. Reflected Temperature
• Using the offset factor, the reflection is calculated out due to the low
emissivity and the accuracy of the temperature measurement with infrared
instruments is improved.
• In most cases, the reflected temperature is identical to the ambient air
temperature.
• Only when objects with strong emissions with much higher temperature
are in the proximity of the object being measured should be determined
and used.
• The reflected temperature has only little effect on objects with high
emissivity.
• The reflected temperature can be set individually.
• Follow these steps to get the right value for the reflected temperature.
1. Set the emissivity to 1.0.
2. Adjust the optical lens to near focus.
3. Looking in the opposite direction away from the object, take a
measurement and freeze the image.
4. Determine the average value of the image and use that value for your
input of reflected temperature.
5.9. Thermal Imager Reporter Software
• Thermal Imager Reporter software is supplied with the Thermal Imager.
• This Software is intended for Thermal Imager and contains feature to
analyze images, organize data and information, and make professional
reports.
Material Emissivity
Water 0.96
Stainless Steel 0.14
Aluminum Plate 0.09
Asphalt
0. 96
Concrete 0. 97
Cast Iron 0.81
Rubber 0.95
Wood 0.85
Brick 0.75
Material Emissivity
Tape 0. 96
Brass Plate 0.06
Human Skin 0.98
PVC Plastic 0. 93
Polycarbonate 0.80
Oxidized Copper 0.78
Rust
0.80
Paint 0. 90
Soil 0.93