KX102J2

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Temperature sensors, especially NTC thermistors, are prominent components in many modern technologies. They allow manufacturers to monitor and control a wide variety of systems, from small electronics to large industrial machines. Of the numerous temperature sensing devices on the market, few have stood out as highly reliable, versatile solutions. One such device is the KX102J2, a NTC (Negative Temperature Coefficient) thermistor.

The KX102J2 is a popular choice for applications where high-accuracy readings are important. It offers an unbeatable temperature accuracy rate of +/-0.5K (Kelvin) over a wide temperature range. It is equipped with an internal self-calibration system, allowing it to be used in a range of ambient temperatures from -40ºC to 150ºC. It is also highly resistant to temperature shock, humidity, and vibration, making it suitable for many ruggedized applications.

The KX102J2 has an almost plug-and-play installation procedure. Most models come with a 4-wire interface, supporting both 4-20mA and 0-10V outputs. It also features an internal amplifier, allowing direct reading from sensing element without external wiring. This makes the KX102J2 ideal for a range of applications in process control, HVAC, automotive, and aerospace industries, among others.

In addition to the four-wire interface, the KX102J2 features a three-wire interface that is compatible with various types of analog signal transmitters. This three-wire connection allows for connection to temperature-sensitive instruments as well as to a wide range of intelligent controllers. There is also a model with a five-wire connection for use in higher temperature ranges.

The KX102J2 operates based on the fundamental principle of a thermistor\'s negative temperature coefficient (NTC) – as temperature increases, resistance decreases. It is composed of two ceramic zones: one on the sensing element side and one on the reference side. A potential divider circuit monitors the bridge voltage, and the feedback loop amplifies the small signal : The signal is then transmitted to the processor where it is read out in terms of temperature.

Aside from the numerous advantages already mentioned, the KX102J2 is highly cost-effective. This is a great benefit for companies on a tight budget, looking for a reliable temperature sensor that can rise up to even the most demanding requirements. All in all, the KX102J2 is an ideal choice for many temperature sensing applications.

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