RL1004-81.1K-138-D1

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Temperature Sensors - NTC Thermistors encompass a particular class of resistance elements which can be used to measure the temperature of a system. The RL1004-81.1K-138-D1 falling within this class of resistors is essentially an NTC thermistor with a building print or complete unit with resistor value of 81.1k ohm and a negative temperature coefficient of 138 K. This means that as temperatures increase, the resistance value of the unit decreases. This Product has a compact design and looks like a little disk with leads for easy installation.

Application Field and Working principle

The RL1004-81.1K-138-D1 has a range of applications in industrial and household applications. Since thermistors usually respond much faster to temperature change than thermocouples, they are commonly used for electronic temperature control and regulation. The thermistors are used in a variety of places like refrigerators, air conditioning systems, heaters, automotive air bags, power supplies, and home electronics.

The RL1004-81.1K-138-D1 is typically used to measure temperatures between 0°C and 70°C. The device operates on a very basic working principle, where the electrical resistance changes in direct relation to the temperature. In other words, when the temperature of the RL1004-81.1K-138-D1 is increased, the resistance decreases. The NTC thermistor has two leads, and the resistance between these two leads can be measured with a multimeter. The current through the sensor is used to measure the temperature of the object.

The RL1004-81.1K-138-D1 can be used in both direct and inverse operation. In direct operation, the device is used to measure temperatures directly, while in inverse operation, the device is used to measure the temperature depending on the resistance. The device is sensitive to changes in temperature and can measure temperatures to an accuracy of 1°C.

The device can also be used in control systems, where the temperature values are used to generate a control signal. This signal can then be used to control the temperature of the system depending on the required temperature levels. The control signal is generated by measuring the resistance of the device, and then sending a control signal to the system, based on the measured resistance.

The RL1004-81.1K-138-D1 is a forms an important part of temperature sensing and control systems used in a variety of applications. Due to its fast response time and accuracy, this device is able to perform the required temperature measurements accurately and quickly, making it an invaluable part of many industrial systems.

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