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medical infrared thermometer electronic assembly

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medical infrared thermometer electronic assembly

產品規格

Model No:	infraredthermometerpcbassembly

Country	CN
Payment Term	T/T

產品描述

Instrumentation medical devices infrared thermometer pcba
assembly electronics oem contract manufacturing services OEM CEM EMS experience
company-China Shenzhen Topscom

 
<img src="http://i.bosscdn.com/product/76/b1/d1/789c4c7b9087772dfde7784692.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=17&p=9&t=80&text=cGNiYXNzZW1ibHljaGluYS5ib3NzZ29vLmNvbQ%3D%3D" title="smt workshopnew" alt="smt workshopnew" /> 
Infrared thermometer device Electronic OEM EMS CEM Contract Manufacturing PCb assembly service 

 


An infrared thermometer is a thermometer
which infers temperature from a portion of the thermal radiation sometimes
called blackbody radiation emitted by the object being measured. They are
sometimes called laser thermometers if a laser is used to help aim the
thermometer, or non-contact thermometers or temperature guns, to describe the
device's ability to measure temperature from a distance. By knowing the amount
of infrared energy emitted by the object and its emissivity, the object's
temperature can often be determined. Infrared thermometers are a subset of
devices known as "thermal radiation thermometers".


 


Sometimes, especially near ambient
temperatures, readings may be subject to error due to the reflection of
radiation from a hotter body-even the person holding the instrument[citation
needed]-rather than radiated by the object being measured, and to an incorrect
assumed emissivity.


 


The design essentially consists of a lens
to focus the infrared thermal radiation on to a detector, which converts the
radiant power to an electrical signal that can be displayed in units of
temperature after being compensated for ambient temperature. This permits
temperature measurement from a distance without contact with the object to be
measured. A non-contact infrared thermometer is useful for measuring
temperature under circumstances where thermocouples or other probe-type sensors
cannot be used or do not produce accurate data for a variety of reasons.


 


The most common infrared thermometers are
the:


 


Spot Infrared Thermometer or Infrared Pyrometer,
which measures the temperature at a spot on a surface (actually a relatively
small area determined by the D:S ratio). These usually project a visible red
dot onto the center of the area being measured; this identifies the spot being
measured but plays no part in the measurement. The actual angular area being
measured varies between instruments, and is not restricted to the visible spot.


Related equipment, although not strictly
thermometers, includes:


 


Infrared Scanning Systems scan a larger
area, typically by using what is essentially a spot thermometer pointed at a
rotating mirror. These devices are widely used in manufacturing involving
conveyors or "web" processes, such as large sheets of glass or metal
exiting an oven, fabric and paper, or continuous piles of material along a
conveyor belt.


Infrared Thermal Imaging Cameras or
Infrared Cameras are essentially infrared radiation thermometers that measure
the temperature at many points over a relatively large area to generate a
two-dimensional image, called a thermogram, with each pixel representing a
temperature. This technology is more processor- and software-intensive than
spot or scanning thermometers, and is used for monitoring large areas. Typical
applications include perimeter monitoring used by military or security
personnel, inspection / process quality monitoring of manufacturing processes,
and equipment or enclosed space hot or cold spot monitoring for safety and
efficiency maintenance purposes.


A photographic camera using infrared film
and suitable lens, etc., is also called an infrared camera. This only captures
the short wave and is not sensitive to the thermal radiation from room
temperature objects.


 

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