Uni-T UT331+ Temperature and Humidity Meter
The Uni-T UT331+ Temperature and Humidity Meter is a practical measurement tool with a range of -20°C to 70°C and 0–99.9% RH, combining good accuracy (±0.5°C) with a fast response time of approximately 1 second. The device allows you to store up to 299 data sets and export them to a computer via USB, facilitating further analysis. With dew point and wet-bulb temperature measurements, as well as the ability to calibrate readings via offset settings, the UT331+ is ideal for everyday technical, maintenance, and environmental applications.
Stable measurements and greater control over readings
The UT331+ offers accurate and repeatable results, allowing for real-time monitoring of environmental conditions. Measuring dew point and wet-bulb temperature provides a more complete picture of air parameters, making the device well-suited for warehouses, workshops, service operations, and workplace environmental monitoring. The offset setting function allows for the calibration of temperature, humidity, dew point, and wet-bulb temperature readings, making it easier to adapt the meter to measurement requirements and periodic inspections.
User-Friendly Operation and Data Logging
Memory for up to 299 measurements and the ability to export them via USB allow for convenient data management and analysis of results on a computer. Automatic logging and the MAX/MIN function help capture parameter changes without the need for constant monitoring. The backlit LCD screen improves readability, and the auto-off feature reduces power consumption, enhancing convenience for both mobile and stationary use.
Included
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Uni-T UT331+ Temperature and Humidity Meter
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USB cable
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User manual
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Batteries x 4
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Manufacturer
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Uni-T
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Model
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UT331+
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Temperature range
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-20°C ~ 70°C
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Temperature accuracy
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±0.5°C
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Dew point range
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-78.2°C ~ 70°C
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Dew point accuracy
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±1°C
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Wet-bulb temperature range
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-21.6°C ~ 70°C
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Wet-bulb temperature accuracy
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±0.5°C
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Humidity range
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0 ~ 99.9% RH
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Humidity accuracy
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±3% RH (10–90% RH), ±3.5% RH (remaining range)
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Resolution
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0.1°C / 0.1% RH
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Data memory
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299 measurements
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Units
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°C / °F
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Response time
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approx. 1 second
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Interface
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USB
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Functions
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MAX/MIN, Data Hold, alarm, automatic logging
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Offset settings
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temperature, humidity, dew point, wet bulb temperature
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Additional features
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LCD backlight, auto power off, PC analysis
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