DeWalt DCT414 Manual De Instrucciones página 39

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Emissivity
Emissivity describes the energy-emitting characteristics of materials.
Most organic materials and painted or oxidized surfaces have
an emissivity of about 0.95 which is the default setting. It is
recommended to compensate for inaccurate readings that may result
from measuring materials with low emissivity values such as shiny
metal surfaces. Cover these surfaces with masking tape or flat black
paint (<148°C/300°F) and use the default (0.95) setting. Allow time
for the tape or paint to reach the same temperature as the surface
beneath it and then measure the temperature of the tape or painted
surface.
If you cannot paint or use tape, then you can compensate
your measurements with the emissivity selector. Even with the
adjustable emissivity, it can be difficult to get a completely accurate
infrared measurement of a target with a shiny or metallic surface.
Experimentation may be required to benchmark temperatures,
and experience will help you choose the best setting for specific
measurements.
The thermometer has emissivity adjustable from 0.1 to 1.0 in
increments of 0.01. Refer to the Nominal Emissivity Table in
this manual. The reference to emissivity settings in the table are
suggestions for typical situations and your particular situation may
differ.
NOTE: Calibration of this product was performed at 0.95 emissivity.
COMPONENTS (Fig. 1–3)
WARNING: Never modify the power tool or any part of it. Damage
or personal injury could result.
A. Measurement trigger
B. Battery release button
C. D WALT 12V Max* Lithium Ion Battery
E
FIG. 2
LOCATED ON
SIDE OF TOOL
E
F
A
B
C
O
P
37
D
C