Uni-T UT331+ Temperature and Humidity Meter

The Uni-T UT331+ Temperature and Humidity Meter is a high-precision digital instrument designed for accurate environmental monitoring. This portable device provides reliable measurements for temperature and relative humidity, making it an essential tool for professionals working in laboratories, warehouses, offices, and residential environments. With its fast response time and clear digital display, it ensures real-time data tracking for effective climate control and quality assurance.

Advantages

This device stands out due to its high measurement accuracy and the ability to calculate dew point and wet-bulb temperatures, providing a comprehensive overview of air conditions. The inclusion of an offset calibration function allows users to fine-tune readings to meet specific standards, ensuring long-term reliability. Furthermore, the integrated data logging capability, which supports up to 299 sets of measurements, combined with USB connectivity, simplifies the process of transferring and analyzing environmental data on a computer.

Suitable for

• Monitoring climate conditions in warehouses and storage facilities
• Quality control in laboratories and cleanrooms
• Environmental assessment in offices and residential buildings
• Technical maintenance and HVAC system inspections

This meter may not be suitable for extreme industrial environments where temperatures exceed the specified range of -20°C to 70°C or where the device might be exposed to corrosive gases or direct liquid immersion. It is designed for air quality monitoring and is not intended for use as a primary safety sensor in hazardous or explosive atmospheres.

Key specifications

• Temperature measurement range: -20°C to 70°C
• Humidity measurement range: 0% to 99.9% RH
• Temperature accuracy: ±0.5°C
• Humidity accuracy: ±3% RH (10–90% RH)
• Data storage: Up to 299 measurements
• Response time: Approximately 1 second
• Connectivity: USB interface for data export
• Display: Backlit LCD

To use the Uni-T UT331+, insert the provided batteries and power on the device using the dedicated button. Place the sensor in the area you wish to monitor, allowing a moment for the reading to stabilize on the display. You can toggle between Celsius and Fahrenheit units as needed. To record data, utilize the automatic logging function or manually save readings to the internal memory. For detailed analysis, connect the meter to a computer via the USB cable to export the stored data sets.

What to consider before purchase

• Verify that the operating temperature and humidity ranges meet your specific application requirements.
• Ensure that the device is compatible with your computer's operating system if you intend to use the data export feature.
• Consider the need for periodic calibration to maintain measurement precision over time.

For optimal performance, keep the sensor area clean and free from dust or debris. Avoid exposing the device to rapid temperature fluctuations, and ensure the batteries are removed if the meter will not be used for an extended period to prevent leakage.