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What is a thermistor

What is a thermistor

What is a thermistor? A thermistor is a type of highly sensitive temperature sensor. The name “thermistor” comes from the fact it is a THERMally sensitive resISITOR.

A thermistor measures temperature by detecting the change in resistance of the electrical current running through it. 

What is a thermistor?

The most common type of thermistor is the NTC thermistor or Negative Temperature Coefficient Thermistors. These are a highly accurate type of temperature sensor. 

A thermistor is made up of a resistive element or bead and two wires. These wires can either come from the same end of the thermistor or sit in a straight line with the resistive element in the middle (axial formation).

The two wires are connected to an electrical circuit, when the sensing element is exposed to temperature the resistance changes. When the temperature rises, the resistance lowers and the electrical energy flows faster, when the temperature lowers, the resistance increases and the energy flows more slowly. Using this principle the exact temperature can be detected. 

The thermistor can be potted into a terminal to enable them to be inserted into an application successfully. At Ixthus we can offer various temperature probes which consist of a thermistor and different terminals including ring terminal, hex bolt and brass probe. 

Advantages of Thermistors

Thermistors are often used for temperature detection because they have the following advantages;

What is a Thermistor Used For?

Thermistors are used for temperature measurement across a wide range of applications in industries such as;

Thermistors from Ixthus 

As well as our range of NTC thermistors, we also have a range of thermistors which are Space Qualified. Our NTC thermistors are either glass or epoxy coated to suit different environments. Take a look at our full range of Temperature Sensors here.

For more information on thermistors or to help with your selection please contact us. 

For more information please contact: Ixthus Instrumentation Email: sales@ixthus.co.uk Tel:+44 (0) 1327  353437 Fax: +44 (0) 1327 353564

Article date: Mon, 06 Jan 2020 11:34:43 +0000 GMT

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