So, If one of the metals has the very small temperature coefficient, then the Above equation shows that if one end of the metal is fixed, the deflection of the free end of metals shows the variation of temperature. Active pixel sensor Angle—sensitive pixel Back-illuminated sensor Charge-coupled device Contact image sensor Electro-optical sensor Flame detector Infrared Kinetic inductance detector LED as light sensor Light-addressable potentiometric sensor Nichols radiometer Optical fiber Photodetector Photodiode Photoelectric sensor Photoionization detector Photomultiplier Photoresistor Photoswitch Phototransistor Phototube Position sensitive device Scintillometer Shack—Hartmann wavefront sensor Single-photon avalanche diode Superconducting nanowire single-photon detector Transition edge sensor Tristimulus colorimeter Visible-light photon counter Wavefront sensor. Accessories Valves, couplings and hoses Calibration systems. Your email address will not be published.
|Date Added:||25 July 2014|
|File Size:||7.51 Mb|
|Operating Systems:||Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X|
|Price:||Free* [*Free Regsitration Required]|
In this diagram, the green metal would be chosen to expand faster than the blue metal if the device were being used in an oven.
The deflection of the strip shows the variation thermometet temperature. WSS Series bimetallic the The helix strip is used for process application such as refineries, oil burners, tyre vulcanisers etc. Diaphragm seal service SF 6 training.
B Other installation thread required needs to be negotiated separately. What natural gas home appliances are available? Also it can be attached to the pointer of a measuring instrument or a position indicator. Geophone Hydrophone Microphone Seismometer.
Bimetallic Thermometers - AutomationWiki
They can be designed to work at quite high temperatures i. To receive your download link via e-mail, enter your address here: Change now Stay here. Home Products Dial thermometers Back to overview. Temperature Reference thermometers Portable temperature calibrators Hand-helds Resistance thermometry bridges Calibration baths.
In some natural gas heaters the power may be provided with a thermocouple that is heated by a pilot light a small, continuously burning, flame. Job opportunities FAQ Unit calculator. In this thermometer, the helix shape strip is used for measuring the temperature.
This thermometer is not used for industrial application because of low sensitivity and small deflection.
In a refrigeratoryou bimetallc use the opposite setup, so that as the temperature rises the blue metal expands faster than the green metal.
Harrison's thermomwter is recognized in the memorial to him in Westminster AbbeyEngland. This interrupts the circuit and can be reset when the bimetal strip has cooled down. The bimetallic thermometer uses the bimetallic strip which converts the temperature into the mechanical displacement. Since the bimetallic strip of the thermometer is constructed with different metals.
If the length of strip increases, the size of thermometer also increases.
Bimetallic strip - Wikipedia
Wish list - Products 0 Note: Hence the difference in bimetallicc expansion rates is used to produce deflections which is proportional to temperature changes.
Major application areas of a bimetallic strip thermometer include:. Additional products Electrical calibration instruments Engineered solutions Accessories.
The expansion causes the strip to move in the uniform circular arc. FAQ How can one prevent the zero position of the thermometer which has already been set during the manufacturing theermometer, from altering drifting in later use?
The thermal expansion is the tendency of metal in which the volume of metal changes with the variation in temperature. A strip of this type was fitted to his last timekeeper, H5.
To do this, select the desired article in the table. When the temperature fluctuates, at the moment when the needle moving contact and the pre-established temperature control contact upper limit or lower limit are connected or disconnected, the relay or the contactor in the control circuit moves, thereby, realizing automatic temperature control or producing alarm.
Articles needing additional references from February All articles needing additional bimstallic All articles with unsourced statements Articles with unsourced statements from September It can be used widely in industry, agriculture, national defence and scientific research etc. Air—fuel ratio meter Blind spot monitor Crankshaft position sensor Curb feeler Defect detector Engine coolant temperature sensor Hall effect sensor MAP sensor Mass flow sensor Omniview technology Oxygen sensor Parking sensors Radar gun Speed sensor Speedometer Throttle position sensor Tire-pressure monitoring system Torque sensor Transmission fluid temperature tuermometer Turbine speed sensor Variable reluctance thermpmeter Vehicle speed sensor Water sensor Wheel speed sensor.