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A RV absorption refrigerator uses a thermistor as a thermostat. The thermistor is moved up or down to regulate the refrigerator temperature.

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acoolcrew

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1y ago

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What is the substance in a digital thermometer that tells us the temperature?

The substance in a digital thermometer that tells us the temperature is usually a thermistor. A thermistor is a type of resistor whose resistance changes with temperature, allowing the thermometer to detect the heat variations and provide an accurate temperature reading.


How does a digital thermometer measure temperature if mercury is not present in it?

A digital thermometer measures temperature using a sensor (such as a thermistor or infrared sensor) that detects changes in electrical resistance or infrared radiation as temperature changes. This information is then converted into a digital readout on the display of the thermometer. Mercury is not required in digital thermometers as they rely on electronic sensors instead.


How do digital thermometers know what the temperature is?

A computer inside a digital thermometer measures the conductivity of the thermistor, which is a heat-sensitive electric conductor. The higher the temperature, the more conductive the thermistor is, and that reading is calculated and displayed by the computer.


What are the types of thermometer?

Celsius, Fahrenheit, and Kelvin.


State 5 type of temperature measuring devices other than thermocouple with its application?

RTD - Resistence temperature detector Thermistor Pyrometer Thermometer


What is used to measure temperature?

Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)


What is used in science to measure temperature?

Temperature is typically measured using a thermometer, which can be a physical device like a mercury or digital thermometer, or a non-contact device like an infrared thermometer. Temperature can also be measured using a thermocouple or a thermistor.


What does a Thermistor do in a circuit?

A thermistor is a type of resistor specifically designed to have a predictable change in resistance depending on the temperature surrounding it. All resistors and, in fact the resistance of all components are succeptable to changes in temperature. The thermistor however, is specifically designed to exploit this in order to be able to measure temperature. They are commonly found in all sorts of temperature sensing circuits, from your digital thermostat in your house to your digital meat thermometer.


How do you tell if a faulty thermistor?

While some people use a much more exhaustive and precise testing procedure, a very simple test can uncover the most common problems with a thermistor: * measure the resistance of the thermistor at room temperature with an ohmmeter. If this resistance is 0 (short) or infinity (open), then something is connected incorrectly or the thermistor has been destroyed. (These are the most common problems). If that test looks good, then a followup test can uncover nearly all the remaining possible problems with a thermistor: * put icewater in a ziplock bag and press it against the thermistor. Then measure the resistance of the themistor at freezing. The two measured values of resistance are usually adequate to identify what kind of thermistor it is. If both values are practically the same, then it's not really a thermistor -- perhaps someone has accidentally substituted a resistor. If one or both values are not the expected values, perhaps someone has accidentally substituted a different kind of thermistor.


What is temperature measured to?

Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)


What is measured using temperature?

Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)


What kind of probe would you attach to a thermocouple or thermistor to measure the temperature inside an oven?

Air Probe.