Thermocouple Amplifier
Designed by The Curious Electric Company in United KingdomThis seller is taking a break until May 19, 2024. Sign up below to get an email when they're back!
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What is it? This is a K-type thermocouple amplifier which can be used to amplify the tiny voltage from a thermocouple to a higher voltage, readable by a micro-controller. Thermocouples can be used t…
Read More…This is a K-type thermocouple amplifier which can be used to amplify the tiny voltage from a thermocouple to a higher voltage, readable by a micro-controller.
Thermocouples can be used to measure very high temperatures, but they only output a very low voltage, hence the need for this amplifier.
This converter can be used anywhere you need to measure high temperatures - such as soldering temperatures, flue and exhaust gas temperatures, BBQs and ovens.
This kit is based upon the AD8495 precision K-type thermocouple amplifier. The board requires a 5V supply and outputs a linear output of 5mV per degree C.
The circuit board contains filtering for the standard amplifier configuration.
It can be used to measure temperatures up to 1000C
Note: The thermocouple is NOT supplied - please obtain one for the temperature range you need to measure.
I had designed and built a temperature controller for a reflow soldering oven which used this thermocouple amplifier. A couple of people asked me about this circuit so I decided to quickly make a simple breakout PCB.
Below 100C I would generally use a thermistor, but not many thermistors are rated for temperatures above 150C. In that case we need to use a thermocouple which output a tiny voltage. This must be amplified and filtered so that it can be read by the ADC in a micro-controller.
It is simple, easy to implement and low-cost.
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Ulverston, Cumbria, United Kingdom
Ships from United Kingdom.
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