104LG2K

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What is a 104LG2K Temperature Sensor?

The 104LG2K is an NTC (Negative Temperature Coefficient) thermistor temperature sensor, designed for use in specific applications. It can accurately measure temperature between -40°C and +150°C, with a resolution of 0.1°C and a tolerance of +/-1°C.

What are the Applications of the 104LG2K?

The 104LG2K is widely used in a variety of applications including: automotive, security, industrial control, home appliance, and HVAC. As an NTC thermistor type sensor, it offers precise and reliable temperature readings in a wide range of environmental conditions. Additionally, the 104LG2K has a flat surface and can be easily integrated into existing installations or any new environment.

How Does a 104LG2K Temperature Sensor Work?

An NTC thermistor is a temperature-sensitive resistor whose resistance changes inversely with the changes in temperature. For the 104LG2K, this means when the temperature increases, the resistance of the sensor decreases. This is useful, since the measured resistance can be used to determine the temperature. The resistance-temperature relationship for the 104LG2K is logarithmic, meaning small temperature changes cause larger changes in resistance.

The 104LG2K is a passive sensor, so it needs to be connected to a circuit to be able to measure the temperature. The circuit is connected to a voltage source like a battery or a power supply. When the temperature of the environment changes, the resistance of the thermistor also changes. This change in resistance causes a change in the flow of current in the circuit, which can then be measured and used to calculate the temperature.

Are There Special Considerations for Using the 104LG2K?

Yes. The 104LG2K has a low thermal mass, so it responds quickly to temperature changes, making it ideal for fast temperature measurements. However, this low thermal mass makes it susceptible to electrical noise, so it is important to use a circuit with good noise suppression. Additionally, the NTC thermistor has a non-linear resistance vs. temperature curve, which means that the accuracy of the measurements depends on the circuit used. It is also important to consider the self-heating effect when using an NTC thermistor. The temperature of the sensor rises due to the electrical current passing through it, so it should be placed in a well-ventilated area to ensure accurate readings.

Conclusion

The 104LG2K is a negative temperature coefficient thermistor temperature sensor, which is widely used in a variety of applications, including automotive, security, industrial control, home appliance, and HVAC. It is a passive sensor, so it requires a circuit to measure temperature. The accuracy of the measurements depends on the type of circuit used and it is important to consider the self-heating effect when using an NTC thermistor.

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