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What does a thermistor do that makes it different from a thermocouple?
Wiki User
∙ 7y ago
- a thermistor is a temperature sensitive resistor - to measure temperature you must measure its resistance and convert that resistance to equivalent temperature
- a thermocouple is a temperature sensitive voltage source(i.e. battery) - to measure temperature you must measure the voltage across it and a reference thermocouple at a known constant temperature connected in series with it and convert that voltage to equivalent temperature
Wiki User
∙ 7y ago
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What does the thermistor do?
the THERMORECEPTOR responds to changes in the temperature
What are different measurement topology for temperature measurement or measurement of resistance of thermistor?
different measurement of temperature
What is a copper-constantan thermocouple?
A thermocouple is a temperature sensor made from two different types of metal. Different metal types give different sensing properties and ranges. Several standard pairs of metals are defined in industry and designated by a letter. A copper-constantan thermocouple is "Type T."
What type of elements are used in different type of thermocouple?
Thermocouple elements are temperature sensors that are useful over a wide range of temperatures. They are used with thermocouple temperature probes, bimetallic devices that are suitable for various temperature sensing applications.
Do you need to use TC extension wire to connect a thermocouple or can you use shielded cable?
You must use thermocouple wire (of the same type as the thermocouple) to extend the circuit. If you switch to a different wire the point of connection between the two becomes a thermocouple junction itself, and the resulting voltage from that junction will skew your reading. You can use any wire to extend a thermocouple connection if you know the temperature of the junction where the thermocouple wire ends--this becomes the reference junction.
What kind of probe would you attach to a thermocouple or thermistor to measure the temperature inside an oven?
Air Probe.
State 5 type of temperature measuring devices other than thermocouple with its application?
RTD - Resistence temperature detector Thermistor Pyrometer Thermometer
What is used in digital thermometer?
Thermistor digitals generally have "built in" probes and sensors. They must be calibrated during the manufacturing process and so are not interchangeable. Thermocouple digitals, with some exceptions, can accept any matching category of probe (the two most common are K-type and T-type--these have different temperature ranges). We concentrate on K-type only, since this type spans all food application temperatures, and has more availability of probe options. Accuracy can be very good with both types, but thermistor digitals are limited to the type of built-in probe they come with, and if the probe breaks, you have to buy a new thermometer. Thermocouple digital thermometers are generally very predictable in their quality, and the response characteristics of their fitted probes is within a very narrow range. All QA stocks the highest quality thermocouple digital thermometers, so they can be used with high confidence. Thermistor digitals are made worldwide, and can have variable quality, if not carefully checked. All QA performs checks of all of their thermistor-based products to ensure that their customers are getting products of excellent quality. Our line of thermistor products represents the very best available at the price.
What does the thermistor do?
the THERMORECEPTOR responds to changes in the temperature
What is working principle of thermocouple?
A thermocouple is two different metals in contact with each other that generate a voltage when heated.
Where can one purchase thermocouple wires?
Someone can purchase thermocouple wires from a number of online retailers such as amazon. Amazon has a large selection of thermocouple wires from a number of different manufacturers.
Thermocouple instruments are also known as?
The thermocouple is a sensore used to measure temperature. The thermocouple are made with two wires of different metals. joined together at one end to from a junction the thermocouple outputs in a a Milli volts .
What are different measurement topology for temperature measurement or measurement of resistance of thermistor?
different measurement of temperature
What is a copper-constantan thermocouple?
A thermocouple is a temperature sensor made from two different types of metal. Different metal types give different sensing properties and ranges. Several standard pairs of metals are defined in industry and designated by a letter. A copper-constantan thermocouple is "Type T."
What apparatus used to measure temperature?
We can use thermometers, thermocouples, thermoresistances, pyrometers etc.
Difference between thermistor and temperature sensor?
A thermistor is a temperature measuring device which acts like a temperature sensitive resistor. It is an active device that requires a current flow to measure its resistance so that the temperature may be calculated and/or displayed. A thermocouple is a device composed of two dissimilar metals fused together. An electrical potential occurs across the junction of the metals. As the potential is influenced by the temperature of the metal junction the output voltage can be measured and calibrated to show the temperature at the joint. Both devices may be employed to measure the temperature within a fixed space, or on a probe to measure the temperature at a remote point or points.
A combination of two different metals bonded together is called a?
thermocouple
