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Description
Product information "Adafruit PT1000 RTD temperature sensor amplifier - MAX31865"
For precise temperature measurements, there is nothing better than a platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes its resistance value as the temperature changes, basically a type of thermistor.
In this resistance sensor, the resistor is a small platinum strip with a resistance of 1000 ohms at 0°C, hence the name PT1000. You can also use this sensor to measure any type of variable resistance, which has a resistance of around 1 kOhm (but can range from half to double that).
Compared to most NTC/PTC thermistors, the PT resistance thermistor is much more stable and precise (but also more expensive). PT1000s have been used for many years to measure temperature in laboratory and industrial processes and have earned a good reputation for accuracy (better than thermocouples), repeatability and stability.
However, to get this precision and accuracy out of your PT1000 RTD, you need to use an amplifier designed to read the low resistance. Even better is to have an amplifier that can automatically adjust and compensate for the resistance of the lead wires. If you're looking for a great RTD sensor, today is your lucky day because we have a nice Adafruit RTD sensor amplifier with the MAX31865 breakout for use with any 2, 3 or 4-wire PT1000 RTD!
We have several MAXIM thermocouple amplifiers in use and they are great - but thermocouples don't have the best accuracy or precision when the readings need to be as good as possible. The MAX31865 fulfils all your RTD requirements and can even compensate 3 or 4-wire RTDs for better accuracy. Connect it to any microcontroller via SPI and read the resistance ratio via the internal ADC. We have placed a 4300Ω 0.1% resistor on the breakout as a reference resistor. We have a sample code that calculates the temperature for you based on the resistor.
We've even made the breakout 5V compatible, with a 3.3V regulator and level shifting, so you can use it with any Arduino or microcontroller.
Each order comes with an assembled RTD amplifier breakout board. Also included are two 2-pin terminal blocks (to connect to the RTD sensor) and a pin header (to plug into any breadboard or perfboard). A required PT1000 RTD is not included! (But we have it in the shop). Some soldering is required to solder the headers and terminal blocks to the breakout, but this is a simple task with soldering tools.
Please note: This does not include an RTD sensor! Also, the included terminal blocks can be blue or black.
Features at a glance
- Precise temperature measurement with PT1000 RTD
- Compatible with 2-, 3- or 4-wire PT1000 RTD
- Amplifier automatically adjusts the resistance of the connection wires
- 4300Ω 0.1% reference resistance
- 5V compatible with 3.3V regulator and level shifting
- Compatible with any microcontroller via SPI
- Product dimensions: 28.0mm x 25.0mm x 2.4mm / 1.1" x 1.0" x 0.1"
- Product weight: 2.6g / 0.1oz
- Requires some soldering to mount the pin headers and terminal blocks
- Assembled RTD amplifier breakout board
- Two 2-pin terminal blocks
- Pin header
Properties
| Zolltarifnummer: | 84733080 |
|---|---|
| Brand: | Adafruit |
| Country of Origin: | USA |
| EAN: | 4060137040566 |
| Gross Weight (kg): | 0.006 |
| Manufacturer ID: | 3648 |
| Product ID: | ADA3648 |
Manufacturer
Adafruit
Adafruit: The expert for open source hardware
For more than ten years, programmers and tinkerers have benefited from the expertise of the Adafruit brand. Whether for beginners or proven experts, Adafruit has the right hardware components ready for your next IoT project.
Light comes into the dark with Adafruit NeoPixel
One extremely popular product line from the company's broad portfolio is Adafruit NeoPixel. These nifty LED components come in a wide variety of designs and color temperatures. NeoPixel modules are available, for example, in the form of a practical stick with five intelligent LEDs in red, green and blue (RGB) or in white (W), as a shield with 40 eye-saving RGBW LEDs in which all pixels are individually addressable, and as a jewel with seven RGBW LEDs that can be controlled with 8-bit PWM per channel.
Especially popular is the Adafruit NeoPixel Ring with 16 ultra-bright, intelligent RGB LEDs including integrated drivers, which you only need a single microcontroller to control. The trick is that the Adafruit NeoPixel rings form a chain, so to speak: You couple the output pin of one with the input pin of the other.
With the Adafruit NeoPixel products you can realize a wide variety of projects - there are virtually no limits to your creativity. With the help of an Arduino, a jumper cable and the appropriate software, you can control a NeoPixel ring individually and light up the small LEDs as you wish - either individually or in a specific combination. This way, you can also create your own Vu meter with the versatile LED components. Practical: To make programming Adafruit NeoPixel easier, Adafruit provides an Arduino library as well as a Python library.
Adafruit Feather Boards: Powerful hardware in a compact format
With Adafruit Feather, the hardware specialist from the States also has various powerful development boards in its range, which are essentially equivalent to an Arduino in terms of function. All of these boards are equipped with similar features; among other things, the pin assignment is the same and there are also many parallels when it comes to the microcontrollers and the battery charging properties. In addition, you can also find Feather boards with special devices like Bluetooth, Wi-Fi and cellular network connectivity as well as boards with microSD slot in Adafruit's product range. The name "Feather" is no coincidence: The boards are also characterized by being particularly compact and, above all, lightweight.
The range of top-class product highlights is wide: The STM32F405 Feather, for example, is the fastest CircuitPython board from Adafruit with an outstanding 168 MHz and meets the highest demands. It is equipped with a STEMMA QT / Qwiic port at the end, which makes it easy to connect to I2C sensors. The Adafruit Feather nRF52840 Express, on the other hand, shines with Bluetooth Low Energy and can also be used with CircuitPython thanks to native USB support.
Another important part of Adafruit's portfolio are the FeatherWings. With these expansion modules, you can also include components such as a display or a motor driver in your IoT project. The FeatherWing Proto is a proven classic in Adafruit's portfolio. This is ideally suited as a prototyping add-on for all Feather boards. The Adafruit FeatherWing Wing Tripler Mini Kit, on the other hand, is ideal if you want to connect a Feather to two other FeatherWings at the same time.
With the Adafruit MIDI FeatherWing Kit you get a music capable FeatherWing, thanks to which you can equip your Feather with MIDI input and output jacks. And with the Adafruit FeatherWing OLED you can easily add a small OLED display to your Feather board - no soldering required.
Adafruit: What's behind the brand
As an expert in open-source hardware, Adafruit has long since established itself in the electronics industry. The company was founded in 2005 by Limor Fried. At the time, the talented and innovative electrical engineer was still a student at the renowned Massachusetts Institute of Technology (MIT). To this day, Fried is CEO of the electronics giant, which is now headquartered in New York. The company's name also goes back to its founder: Fried was once known on the World Wide Web by the nickname "Ladyada" - a tribute to the famous IT pioneer Ada Lovelace.
Adafruit says it is committed to getting more people excited about technology and science - and thanks to its first-class products, the hardware expert from the USA is sure to succeed!
Manufacturer and safety information
Adafruit Industries, LLC
168 39th Street 1905CC
US 11232 Brooklyn, New York
https://www.adafruit.com
support@adafruit.com
WEEE number: 20453810
Person responsible for the EU
Sertronics GmbH
Am Studio 20d
DE 12489 Berlin
https://www.berrybase.de
info@berrybase.de
Safety instructions
- Always install and operate sensors and modules in accordance with the manufacturer's instructions.
- Always switch off the power supply before installation or maintenance.
- Avoid direct contact with electrical connections to prevent electric shocks.
- Only use in dry and suitable environments to avoid short circuits or malfunctions.
- Check the device for damage or defects before use.
- Do not operate above the specified voltage and current.
- In the event of malfunctions, disconnect the appliance from the power supply immediately.
- Dispose of in accordance with local electrical and electronic waste regulations.
- Do not dispose of in normal household waste as it may contain hazardous substances.
- Keep children away from the product to prevent misuse or injury.
Reviews 2
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2 reviews
10 December 2021 00:00
gute Qualität!...
gute Qualität!
17 October 2021 00:00
.. bislang ausstehender Suppor...
.. bislang ausstehender Support durch den Hersteller, ganz anders als sonst üblich!
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