Измерения с помощью датчиков, преобразователей, сенсоров
    Transducers, gauges, sensors -  Information portal  © 2011 - 2017                                                                                                            Use of material is possible by placing an active link
Bolometrs
    A bolometr is a device by means of which it is possible with the large degree of exactness to measure energy of radiation. In basis of bolometrs of most constructions principle of transformation of radiant energy is fixed in thermal energy. With opening of electric properties of semiconductors the last were used for a bolometric technique and promoted the limit of sensitiveness of bolometr to 10~10 W.
      As far as the sensitiveness of modern bolometric charts is high, it is possible to judge even on a next example.
By means of прецизионного bolometr, placed in focus of telescope, and strengthener it is possible to fix from a moon thermal backbeams. From this point of view deployment of bolometrs becomes clear for the most various aims. Exceptional value bolometrs are presented in those cases, when it is needed to produce some spectrometry researches.
      A fundamental chart of ordinary bolometr is a bridge, sensible thermoresistance joins in one shoulder of which. When some caloradiance falls on thermoresistance, it promotes his temperature, what the equilibrium of bridge and shooter of measuring device, preliminary graduated in corresponding units is violated because of, will deviate on some number of divisions. Thermistor quite often is placed in a metallic or glass vacuum bulb with a window from some very thin material. On outside of bulb taking hatch from thermistor for his plugging in a chart.


русский / english
Home  >> Photo effects, light  >> Bolometrs
   Photoconductivity
   Photoeffect of plug-forming layer
   Solar battery
   Selenium photocells
   Selenium fotoresistance
   Bolometrs


Home

Temperature, thermoelectricity

Magnetic fields

Mechanical stress, strain

Force, pressure, displacement, flow

Humidity, gases

Photo effects, light

Ionizing radiation

Electricity, capacity, piezoelectricity

Physical properties of materials

Literature on transducers

News, exhibitions, conferences

About the project. Contacts






                                                                                                                                                              
  NEWS, ADVERTISING 
датчики, сенсоры, измерительные преобразователи
See also:
Temperature sensors, thermocouple             Sensors of mechanical stress
Force, pressure, flow                                    Phototransducers
Ionization transducers                                    Hall sensors
Contacts
Датчик магнитного поля
Датчики, преобразователи. Sensors, transducers
Loading...