In today's rapidly advancing era of intelligence, environmental sensing has become an indispensable capability for various electronic devices. Whether for maintaining temperature and humidity balance in homes or achieving precise monitoring in industrial settings, a reliable and high-precision temperature and humidity sensor is the core component for enabling intelligent control. Today, we introduce an excellent product that matches the performance and reliability of top international brands while being fully domestically produced——the YQHT30C.

Why Choose the YQHT30C?

The YQHT30C is a digital temperature and humidity sensor integrating high precision, low power consumption, and strong stability. It utilizes advanced CMOSens® Technology, integrating the humidity sensing element, temperature sensing element, analog-to-digital converter, signal processing unit, and I2C interface all onto a single chip. This not only significantly enhances the overall reliability of the sensor but also gives it outstanding performance in terms of size and power consumption.

Five Core Advantages for an Ultimate Experience

1. High-Precision Measurement, Stable and Reliable

Humidity Detection: Accuracy reaches ±2% RH within the common range (20-80% RH), with equally excellent performance across the full range.

Temperature Detection: Accuracy is as high as ±0.2°C within the 0-60°C range, supporting a wide temperature range from -40°C to +125°C.

Each chip undergoes factory calibration and is equipped with a unique 64-bit laser identification code, ensuring traceability and reliable anti-counterfeiting.

2. Strong Environmental Adaptability, Long-Lasting Performance

A special multi-layer polymer structure design endows the YQHT30C with excellent corrosion resistance and long-term stability. Even in high-humidity or condensing environments, the sensor can recover quickly without affecting the accuracy of subsequent measurements.

3. Energy-Efficient Design, Uninterrupted Operation

In periodic measurement mode, the average power consumption can be as low as 3.5μW, making it highly suitable for battery-powered scenarios like wearable devices and IoT nodes. The built-in heater can handle extremely humid environments, maintaining data accuracy.

4. Plug-and-Play, Easy Development

Features a standard I2C interface with a maximum communication rate of 1MHz and supports dual address options for easy system integration. With a rich instruction set supporting everything from single measurements to periodic data collection, it significantly shortens the development cycle.

5. Compact Form Factor, Easy Integration 

Offers various miniature packages such as DFN-8 and LGA-8, with a minimum size of only 3mm x 3mm, greatly saving PCB space and suitable for all kinds of compact designs.

Wide Range of Application Scenarios

The YQHT30C has been successfully applied in numerous fields with stringent environmental monitoring requirements:

Smart Home: Environmental feedback control in devices like air conditioners, air purifiers, and humidifiers.

Industrial IoT: Monitoring in data centers, constant temperature and humidity chambers, and HVAC systems.

Consumer Electronics: Environmental sensing in smartwatches, smartphones, and wearable health devices.

Medical and Agriculture: Monitoring in ventilators, pharmaceutical storage, greenhouses, and cold chain logistics.

Automotive Electronics: Intelligent regulation of in-car air conditioning and cabin environment.

Domestic Power, Rivaling International Standards

The YQHT30C performs on par with mainstream international products like the Sensirion SHT30/SHT35 and TI HDC20XX series, making it a capable direct replacement. Moreover, it holds significant advantages in cost control and localized service support.