Adafruit Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout with Type

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About this product

Overview

Product overview

• Easy to use analog output• Easily convert the voltage to temperature• This is a very simple sensor to use
• Temp range with 5V power: -250°C to +750°C output (0 to 5VDC)
• Temp range with 3.3V power: -250°C to +410°C output (0 to 3.3VDC)

Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. This is a very simple sensor to use, and if your microcontroller has analog input capability, you'll be ready to go really fast!

The AD8495 K-type thermocouple amplifier from Analogue Devices is so easy to use, the whole thing is documented on the back of the tiny PCB. Power the board with 3-18VDC and measure the output voltage on the OUT pin. You can easily convert the voltage to temperature with the following equation: Temperature = (Vout - 1.25) / 0.005 V. So for example, if the voltage is 1.5VDC, the temperature is (1.5 - 1.25) / 0.005 = 60°C

Each order comes with a 2 pin terminal block (for connecting to the thermocouple), a fully assembled PCB with the AD8495 + TLVH125 precision voltage reference, pin header (to plug into any breadboard or perfboard) and a 1m K type thermocouple with glass over-braiding. Not for use with any other kind of thermocouple, K type only!

What is the accuracy of this temperature reading?

Asked by: Mathieu
This can be found on the data sheet below https://cdn-shop.adafruit.com/datasheets/AD8494_8495_8496_8497.pdf
Answered by: Dominic
Date published: 2016-11-26
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