DFRobot

Fermion: SHT31-F Digital Temperature & Humidity Sensor (Breakout)

Name: Fermion: SHT31-F Digital Temperature & Humidity Sensor (Breakout)
Brand: DFRobot
SKU: DF-SEN0332
Price: 17.1 AUD
Availability: InStock

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This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly in...

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This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap temperature sensing components, the SHT31-F offers high reliability and long-term stability with low power consumption, fast response and strong anti-interference ability. The sensor supports I2C communication, and is compatible with 3.3V/5V controllers like Arduino, micro:bit, ESP32. It is easy to achieve precise and high-reliability temperature and humidity sensing for urban environment monitoring, intelligent buildings, industrial automation, smart home and other Internet of Things applications.

SHT31-F is the standard version of the SHT3x series. It provides humidity accuracy ±2% RH @ 0% RH~100% RH (at 25°C), and temperature accuracy± 0.2°C @ 0°C ~90°C (typical).

The SHT31-F chip features a PTFE membrane dedicated to protecting the sensor opening from liquids and dust according to IP67. It thus allows the sensor to work under harsh environmental conditions, where spray water and high exposure to dust might be challenging for accurate sensor performance. Due to minimal package volume and the membrane’s high water vapor permeability, the response time of the relative humidity and temperature signal is identical to the value achieved by the uncovered sensor. Although the membrane option provides perfect protection against water and dust ingress, it does not in general prevent contamination from volatile chemicals.

Digital Temperature and Humidity Sensor Selection Guide Product Name SHT30 SHT31 SHT31-F SHT35 SKU SEN0330 SEN0331 SEN0332 SEN0333 IC Type SHT30-DIS-B SHT31-DIS-B SHT31-DIS-F SHT35-DIS-B

Typ. RH

Accuracy (%RH)

±2@10-90%RH ±2@0-100%RH ±2@0-100%RH ±1.5@0-80%RH

Typ.

Temperature (°C)

±0.2@0-65°C ±0.2@0-90°C ±0.2@0-90°C ±0.1@20-60°C Price $6.9 $8.9 $9.7 $16.9 Feature Cheap Cost-Effective IC Dustproof High Accuracy

Features

High precise, internal auto-calibrated, digital output
Low power consumption, fast response, and strong anti-interference
IP67 dust-proof protective film
Compatible with 3.3V/5V controllers

Applications

Urban Environmental Monitoring
Intelligent Building, Smart Home
Grain Storage
Plant and animal breeding system

Specification

Operating Voltage: 2.15~5.5V
Operating Current: <1.5mA
Humidity Detection Range: 0%RH~100%RH
Humidity Accuracy: ±2%RH@0%RH~100%RH (at 25°C)
Temperature Detection Range: -40°C~125°C
Temperature Accuracy: ±0.2°C@0°C~90°C(Typical)
Communication: I2C
Outline Dimension: 19x16mm/0.75x0.63”
Mounting Hole Size: 2mm/0.08”
Mounting Hole Pitch: 15mm/0.59”

Documents

Product wiki

Shipping List

DFRobot SHT31-F Digital Temperature and Humidity Sensor x1
Black 2.54-6P Single Row x1

Jargon buster

Plain-language definitions for the technical terms used above.

breakout: A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
CMOSens: CMOSens is Sensirion’s integrated sensor technology that combines sensing elements and electronics in one package. It matters because it affects how the sensor measures temperature and humidity and how it is supported by the manufacturer’s libraries and datasheets.
ESP32: ESP32 is a family of low-cost microcontroller chips and modules from Espressif with built-in WiFi and Bluetooth. They support programmable firmware and over-the-air updates, and are commonly programmed with toolchains such as the Arduino core and ESP-IDF.
I2C: I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
IP67: An ingress protection rating meaning the enclosure is dust-tight and can survive temporary immersion in water under specified test conditions. This matters when choosing a sensor for outdoor, wet, or wash-down environments.