UNI-T UT331+ Temperature Humidity Meter
UNI-T UT331+ Temperature Humidity Meter is a professional handheld instrument designed for accurate monitoring of temperature and relative humidity in laboratories, warehouses, production facilities, HVAC systems, greenhouses, and other climate-controlled environments. Featuring a large, easy-to-read LCD, it simultaneously displays temperature and humidity readings, with support for additional environmental parameters such as dew point and wet-bulb temperature. Equipped with a high-precision sensor, the UT331+ delivers reliable and stable measurements while providing functions such as MAX/MIN value recording, data hold, alarm settings, and real-time clock for timestamped measurements. The meter supports both manual and automatic data logging, allowing users to record individual readings or monitor environmental conditions continuously over extended periods. Powered by four AAA batteries for portable operation and equipped with a USB interface for convenient data transfer, the UT331+ combines precision, durability, and ease of use, making it an ideal solution for technicians, engineers, researchers, and facility managers who require dependable environmental monitoring.
Features
- ℃/℉ selection
- Response time: around 1 second
- Humidity offset settings
- Temperature offset settings
- Dew point offset settings
- Wet-bulb temperature offset settings
- Auto power off
- Data hold/data recall
- MAX/MIN
- Auto record time setup
- LCD backlight
- USB interface for data and power
Specifications
| Specifications | Range | UT331+ |
| Temperature | -20.0℃~70.0℃ | ±0.5℃ |
| Dew point temperature | -78.2℃~70.0℃ | ±1℃ |
| Wet bulb temperature | -21.6℃~70.0℃ | ±0.5℃ |
| Humidity | 0~99.9%RH | 10%~90%RH.+3%RH For others:+3.5%RH |
| Resolution | Temperature:0.1℃ Humidity:0.1%RH | |
| Data storage | 299 groups | |
| Unit setting | ℃ or ℉ | |
| Manual /auto storage selectable | √ | |
| Alarm setting | √ | |
| Max Min. value measurement | √ | |
| Data hold | √ | |
| PC software analysis | √ | |
| Auto power off | √ | |
| Backlight | √ | |
| USB communication | √ | |
Applications
- Environmental monitoring in laboratories or R&D.
- Quality control in food storage / processing.
- HVAC system monitoring and diagnostics.
- Clean-room or healthcare environment monitoring.
- Agricultural / greenhouse climate control.
Package Contents
- 1 x UNI-T UT331+ Temperature Humidity Meter
- 4 x AAA Battery 1.5V
- 1 x USB Data Cable
- 1 x User Manual (Operating Manual) English