Zhengzhou Winsen Electronic Technology WHT30 Temperature and Humidity Sensor User Manual

User manual for the WHT30 temperature and humidity sensor, covering specifications, applications, and installation guidelines.


Zhengzhou Winsen Electronic Technology WHT30 Temperature and Humidity Sensor User Manual - cover page
Brand
郑州炜盛电子科技
Document type
User Manual
Language
Chinese
Pages
17
File format
PDF
File size
630 KB
Published
03 November, 2026
Updated
03 November, 2026
MD5 checksum
1CFE8BF3A0B1F0E4AA99E11462AF7A98

About this manual

This document provides detailed instructions for using the WHT30 temperature and humidity sensor, including its technical specifications, application scenarios, and installation guidelines. The sensor uses SMD packaging and outputs calibrated digital signals in standard I2C format. It is suitable for applications in home appliances, industrial settings, and medical equipment.

The manual covers operational modes, electrical characteristics, packaging and storage requirements, and PCB design recommendations. It also includes troubleshooting tips for sensor drift and recovery procedures. This manual is written in Chinese.

What's inside

  • Product Description
  • Product Features
  • Application Scenarios
  • Sensor Performance
  • Electrical Characteristics
  • Packaging Information
  • Storage Environment
  • Recovery Procedures
  • Temperature Effects
  • Typical Application Circuit

Specifications

Accuracy±3.0%RH and ±0.5℃
Operating Voltage2.0V to 5.5V
Response TimeLess than 8 seconds (63% response)
Operating Temperature Range-40°C to 85°C
Operating Humidity Range20% to 80%RH
Communication InterfaceStandard I2C protocol
Power Consumption (Sleep Mode)2.0µA
Package TypeSMD (Surface Mount Device)

Frequently asked questions

What is the accuracy of the WHT30 sensor?

The accuracy is ±3.0%RH for humidity and ±0.5℃ for temperature.

What is the operating voltage range of the WHT30 sensor?

The operating voltage range is from 2.0V to 5.5V.

What is the communication interface used by the WHT30 sensor?

The sensor uses a standard I2C protocol for communication.

How should the WHT30 sensor be stored to prevent drift?

Store the sensor in an ESD bag with temperature between 10-50℃ and humidity between 20-60%RH.

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