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Adafruit TMP119 High-Precision ±0.03°C I2C Temperature Sensor - STEMMA QT / Qwiic
The TMP119 High-Precision Temperature Sensor is an I2C temperature sensor that will help you easily add super-precise temperature measurement and adjustment to your project. In addition to the obvious support for reading the temperature, the TMP119 can also monitor the temperature and alert you when corrective action needs to be taken.
The TMP119 has 16-bit / 0.0078°C measurement resolution, wide operating range of -55 to 155°C, and up to ±0.03°C (typical) accuracy from 0°C to 45°C. The chip also has high and low temperature alerts and interrupt support, and hardware support required for NIST traceability temperature sensor is perfect for applications where you need to keep a close eye on temperature. The manufacturer, Texas Instruments, suggests it for use in sensitive applications like thermostats and cold chain asset tracking, or even gas and heat meters!
TMP119 temperature sensor has different accuracy for different ranges, here's what you can expect as the typical & maximum variation for popular temperature ranges:
- ±0.03°C (typical) from 0°C to 45°C
- ±0.08°C (maximum) from 0°C to 45°C
- ±0.09°C (maximum) from –25°C to 85°C
- ±0.12°C (maximum) from –40°C to 85°C
- ±0.15°C (maximum) from –55°C to 125°C
- ±0.2°C (maximum) from –55°C to 150°C
User Manual / Datasheet / Example Codes Etc.
Features
- High-precision digital temperature sensor with up to ±0.03°C accuracy
- Based on the Texas Instruments TMP119 temperature sensor
- I2C interface for easy communication with microcontrollers and SBCs
- Compatible with STEMMA QT / Qwiic ecosystems
- Compact breakout board for easy prototyping and integration
- Low-power operation suitable for battery-powered applications
- Excellent long-term stability and repeatability
- Ideal for precision temperature monitoring and measurement
Package Includes
- 1x Adafruit TMP119 High-Precision ±0.03°C I2C Temperature Sensor - STEMMA QT / Qwiic
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)

