The physicochemical properties and widely used of the transducer

Sensor is a kind of can convert physical or chemical quantity into electrical devices easy to use. Current sensors are commonly used has the following three kinds: 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

1. According to the classification of physical measurement of sensor, can be divided into the displacement and force, speed, temperature, flow rate and gas composition and other sensor 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

2. According to the working principle of the sensor classification, can be divided into the resistor, capacitor, inductor, the voltage, hall, photoelectric, grating, such as thermocouple sensor. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

3. According to the features of the sensor output signal and the classification, can be divided into: to switch output ( “ １” And & quot; ０” Or & other Open & throughout; And & other Customs & throughout; ） The switch type sensor; Output to simulate type sensor; Digital type sensor output pulse or code. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

under normal circumstances, the actual static characteristic of sensor output curve rather than a straight line. In the practical work, in order to make the instrument has a uniform scale readings, commonly used approximate a fitting line represents the actual characteristic curve, linearity ( The nonlinear error) Is that the approximation degree of a performance index. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

there are many ways of choosing fitting line. If the zero input and full scale output point of the theory of linear as the fitting line; Or with the characteristic curve of each point on the sum of the squares of the deviation for the youngest as theory of linear fitting straight line, the fitting line is called the least squares fitting a straight line. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer all applications from all walks of life:

sensor 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer double-color

the infrared thermometer temperature are widely used in household appliances ( Microwave oven, air conditioner, lampblack machine, hair dryer, induction cooker, toaster, frying pan, heater, etc. ) , medical/household thermometer, office automation, portable non-contact infrared temperature sensors, industrial field temperature measuring instruments and electric power automation, etc. Can not only provide sensor, module, or a complete temperature measuring instrument, can also according to user needs to provide including optical lens, ASIC, algorithms such as package solution. Sensor applications involving machinery, industrial process control, automobile electronic products, communications, electronics, consumer electronics and special equipment, etc. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

: special equipment for special equipment mainly include areas such as health care, environmental protection, meteorological application of professional electronic equipment. Medical field are magnetic flap thermometer sensor is large, profitable sales in emerging markets, the field requirement sensor parts to develop in the direction of miniaturization, low cost and high reliability. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

industrial automation, industrial application in the field of sensors, such as process control, industrial machinery, and the traditional; All sorts of measuring process variables ( Such as temperature, liquid level, pressure, flow, etc. ) ; Measuring electronic properties, Current, voltage, etc. ) And the physical quantities ( Movement, speed, load and intensity) , as well as the traditional close/position sensor is developing rapidly. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

communication electronic products: mobile phones production growth and an increasing number of new features bring opportunities and challenges to the sensor market, color screen mobile phones and video market share rising proportion increased the sensors in the field of application. In addition, the application in the group of phones and cordless phones ultrasonic sensors, magnetic field sensors used for magnetic storage medium will appear strong growth. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

auto industry: modern advanced level of car electronic control system of the key lies in using the number and level of pressure sensor, is a common household car about install decades to nearly only sensors, and luxury cars on the number of sensors can be up to more than two hundred only, and are usually amounted to more than 30 species, more than one hundred species. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

sensor resolution 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

resolution refers to the sensor may be felt by measuring of the capability of the smallest change. That is to say, if the input amount from a non-zero value change slowly. When the input changes value does not exceed a certain value, the output of the sensor will not change, i. e. , the change of sensor input to this resolution not to come out. Only when more than the quantity of input resolution, the output will change. 2 j9 magnetic flap | | glass thermometer thermometer floating ball | | glass thermometer thermometer two-color thermometer

2 j9 magnetic flap | | glass thermometer thermometer floating ball thermometer | | double color glass thermometer thermometer