The SHT45 sensor probe is a highly advanced digital temperature and humidity sensor, engineered to deliver top-tier accuracy and durability in even the harshest of conditions. With a measurement precision of ±0.1°C for temperature and ±1% RH for humidity, this probe is the preferred choice for professionals in HVAC systems, weather monitoring, automation, medical instrumentation, and industrial processes. Its ultra-low-power 16-bit digital output, delivered via a pre-set I2C address (0x44), ensures energy efficiency and easy integration into a wide range of data acquisition systems.

Designed to meet the rigorous demands of critical environments, the SHT45 probe is equipped with a corrosion-resistant, stainless-steel porous housing that allows for exceptional air permeability while shielding the internal components. The integrated breathable membrane effectively prevents particle ingress, safeguarding against dust, moisture, and chemical oxidation. The sensor's power-trimmed internal heater offers three adjustable heating levels, ensuring continuous, accurate operation in high humidity, high temperature, and condensing conditions. Each unit is individually calibrated and features a unique serial number, enhancing traceability and quality control.

Key Features

Exceptional Measurement Accuracy
±0.1°C temperature and ±1% relative humidity accuracy ensure dependable environmental monitoring.
Ultra-Low Power Consumption
Designed for minimal energy usage, ideal for battery-powered and embedded applications.
Wide Operating Range
Measures from 0–100 %RH and -40°C to 125°C, suitable for diverse industrial and scientific uses.
Robust I2C Digital Interface
Preconfigured with I2C address 0x44 for seamless communication and rapid data acquisition.
Integrated Internal Heater
Power-trimmed heater with three levels enhances sensor stability in high-moisture or cold environments.
Durable Stainless Steel Housing
Corrosion-resistant with pore sizes ranging from 5–120 microns; delivers high filtration efficiency and protection.
Breathable Protective Membrane
Allows fast humidity response while shielding internal components from particulate and chemical damage.
Fully Calibrated and Traceable
Factory-calibrated with NIST traceability; each sensor includes a unique serial number for reliable tracking.
Flexible Connectivity
Comes with a Mini Round Shell (MRS) connector and 1-meter wire length for easy installation in complex setups.
Harsh Environment Ready
Excellent performance in condensing, dusty, corrosive, high-pressure (up to 150 bar), vacuum, and explosive atmospheres.
Long-Term Stability and Reliability
Designed for prolonged use with high measurement consistency over time, even in demanding applications.

Digital Humidity and Temperature Sensor Probe I2C Interfacing with MCU

Resources

ES-13511 Datasheet
Arduino Library for ES-13511,2,3 Humidity and Temperature Sensor Probe
How To Install Arduino Library Tutorial - https://docs.arduino.cc/software/ide-v1/tutorials/installing-libraries
SHT4X (SHT40, SHT41, SHT45) Arduino Library and Drivers Download

Digital Humidity and Temperature Sensor Probe Applications

Product FAQ
Q: What is the common use of a Temperature and Humidity Sensor?
A: Temperature and Humidity sensors are among the most commonly used environmental sensors. It is widely used to provide the actual humidity condition within air at any given point or in any given place. Such devices are commonly used in situations in which air conditions may be extreme or where air conditions need to be controlled due to varying reasons.

Q: Why is Temperature and Humidity sensors important in some industries?
A: Humidity is the presence of water within the air. Measuring humidity within the environment can be critical due to the fact that the higher the humidity, the warmer it may seem. In industries, humidity measurement is often important because it can affect the health and safety of personnel as well as the cost of the product. As a result, temperature and humidity sensors are often quite important.

Q: How do I choose a suitable Temperature and Humidity Sensor?
A: There are some important specifications you might need to consider when you choose this product. This includes: