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Hot wire resistance

Have you ever thought about the fact that your oven, dishwasher and air conditioner turn on and off at specific moments for a specific time? They use a process known as hot wire resistance to aid them. Hot wire resistance is a measure of how a wire reacts to the amount of electricity it transfers when it heats up. It’s a bit like how a sponge can absorb water; the wire can conduct electricity well or more resistively, depending on its temperature. 

Electricity running through a wire causes that wire to heat up, similar to the TS Heating Alloy's product like nichrome wire 30 gauge. This heating occurs because electricity is resistant to flowing through the wire, which generates energy. A wire that’s hotter offers more resistance to the flow of electricity. This matters because we can measure the resistance of the wire when the wire is hot and use that to determine how much current is flowing through the wire. It enables us to regulate aspects like temperature, ensuring that our devices function properly and work more efficiently.

Factors affecting hot wire resistance in electrical circuits

Different wires have different TCRs depending on their material. This means that some wires will have a high temperature coefficient of resistance, meaning they change a lot as they get hotter, and some wires will have very little resistance change at all. For instance, a copper wire will probably have a different response to the temperature than a gold wire. And this is the reason you need to know the TCR when you are working with hot wires. 

When it comes to measuring how resistant hot wire is they may require that but we need the special type of tools, just like the wire bound resistors made by TS Heating Alloy. A typical method to achieve this is with a Wheatstone bridge. So we will use a circuit that lets us compare the resistance of the hot wire to a known resistance. The hot wire resistance can be determined accurately by adjusting the known resistance to make the bridge conditions balanced.

Why choose TS Heating Alloy Hot wire resistance?

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