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Sensirion Digital Output Temperature and Humidity Sensor Surface Mount I2C Interface 1 %RH Accuracy SHT45-AD1B-R2
Specifications
| Country of Origin | Switzerland |
|---|---|
| Accuracy | 1 %RH |
| Brand | Sensirion |
| Height | 500μm |
| Length | 1.5mm |
| Model | SHT45-AD1B-R2 |
| RH Range | 0 to 100 % |
| Width | 1.5mm |
| Mount Type | Surface |
| Output type | Digital |
| Maximum Operating Temperature | 125°C |
| Package Type | DFN |
| Minimum Operating Temperature | -40°C |
| Interface Type | I2C |
| Standards/Approvals | RoHS/WEEE |
| Maximum Supply Voltage | 3.6V |
| Minimum Supply Voltage | 1.08V |
Key Features
- Measures relative humidity accurately within ±1 %RH across 0 to 100 %RH range.
- Temperature measurement accuracy is ±0.1 °C covering -40 to 125 °C.
- Compact 1.5 mm x 1.5 mm DFN surface mount package.
- Low voltage supply from 1.08 V up to 3.6 V.
- Internal heater adjustable to three power levels.
- I2C interface with multiple preconfigured addresses.
- Optional patented PTFE membrane or removable protection cap.
- RoHS/WEEE compliant for environmental safety.
Product Description
Sensirion SHT45-AD1B-R2 is a high-precision digital output temperature and humidity sensor designed for surface mount technology (SMT) applications. It provides accurate measurements with ±1 %RH relative humidity accuracy and ±0.1 °C temperature accuracy, enabling reliable environmental monitoring in industrial, laboratory, HVAC, and agricultural settings.
The sensor operates over a wide temperature range from -40°C to 125°C and measures relative humidity from 0 to 100 %, making it suitable for harsh and demanding environments. Its I2C interface supports multiple preconfigured addresses, simplifying system integration and communication.
Equipped with a power-trimmed internal heater adjustable to three heating levels, the SHT45-AD1B-R2 effectively mitigates condensation effects and enhances sensor reliability. The device comes in a compact 1.5 mm x 1.5 mm DFN package with a height of 500 μm, optimized for space-constrained electronics.
The sensor includes an option for an on-package patented PTFE membrane or a removable protection cap, ensuring durability and extended service life. Its ultra-low power consumption is ideal for portable or battery-powered devices.
Measures relative humidity accurately within ±1 %RH across 0 to 100 %RH range. Temperature measurement accuracy is ±0.1 °C covering -40 to 125 °C. Compact 1.5 mm x 1.5 mm DFN surface mount package. Low voltage supply from 1.08 V up to 3.6 V.
Internal heater adjustable to three power levels. I2C interface with multiple preconfigured addresses. Optional patented PTFE membrane or removable protection cap. RoHS/WEEE compliant for environmental safety. Suitable for industrial, laboratory, HVAC, and agricultural applications requiring precision sensing.
This high-performance sensor is a mature technology product from a global market leader Sensirion, offering reliable and precise humidity and temperature measurement solutions for a wide range of industrial and commercial applications.
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Frequently Asked Questions
The sensor provides a relative humidity accuracy of ±1 %RH and a temperature accuracy of ±0.1 °C.
It operates over a temperature range from -40°C to 125°C.
The sensor measures relative humidity from 0 to 100 %RH.
This model utilizes an I2C interface with multiple preconfigured addresses for easy integration.
The sensor has a compact size of 1.5 mm x 1.5 mm with a height of 500 μm.
It operates with a supply voltage ranging from 1.08 V to 3.6 V.
Yes, it includes an internal heater that is adjustable to three power levels to mitigate condensation effects.
This model is designed for surface mount technology (SMT) applications.
The sensor is compliant with RoHS and WEEE standards for environmental safety.
It is suitable for industrial, laboratory, HVAC, and agricultural applications requiring precise temperature and humidity measurements.
It offers an optional patented PTFE membrane or a removable protection cap for enhanced durability and service life.
The sensor is manufactured in Switzerland.
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