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Compensation Techniques Thermistor

Characteristics thermistor below shows the relationship between temperature and resistance as shown in the following figure. To control the need to change prisoners into stress, the following basic circuit to turn resistance into voltage. Thermistor with a positive coefficient (PTC, Positive Thermal Coeffisien) Graph characteristics PTC thermistor type: In operation utilizing PTC thermistor type resistivity change with temperature, and generally ...

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Working Principle Sensor LM35

In principle, the sensor will perform sensing when the temperature changes every 1 ºC temperature will show a voltage of 10 mV. In placing the LM35 can be affixed with adhesive or can be cemented on the surface but the temperature will be slightly reduced by about 0.01 ºC being absorbed in the surface temperature. In this way the expected ...

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Temperature Sensor Bimetallic

Bimetal is a temperature sensor or a temperature sensor which is popular because of its simplicity. Bimetal common on electrical appliances such as electric irons and lamps or lights dimers great power. Bimetallic temperature sensor is made of two different metal plates muainya coefficient (α) are glued together. When a metal is heated there will be an expansion, the amount ...

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Sensor With Temperature Changes

This sensor operation due to changes in temperature around the sensor, detection results in the form of electrical signals instead converted into electrical signals, usually in the form of an electric voltage. And generally any change in the 10 ° C to produce electricity at 1mV dc voltage. The temperature sensor has several models and types of sample temperature sensor ...

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Resistance Thermal Detector (RTD)

RTD is one of several types of temperature sensors are often used. RTD is made of corrosion-resistant wire, the wire is wound on the ceramic insulator material. RTD wire material for, among others; platinum, gold, silver, nickel and copper, and platinum is best material because it can be used to censor the temperature up to 1500 o C. Copper can ...

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Advantages and Weaknesses Sensors LM35

• Advantages: a. Remote temperature range between -55 to +150 ° C b. Low self-heating, at 0:08 o C c. Operating at a voltage of 4 to 30 V d. The circuit is not complicated e. Does not require signal conditioning • Deficiency: Requires source voltage to operate LM35 temperature sensor is a small component such as a transistor (TO-92). ...

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