UNI-T UT331+ Digital Humidity Temperature Meter - Professional Industrial Psychrometer

Specifications

• Measurement Type: Ambient Temperature and Relative Humidity (% RH)

• Data Storage: Up to 8000 sets of measurement data

• PC Interface: USB connection for data analysis and reporting

• Display: Large LCD with high-contrast backlight and time/date display

• Special Functions: MAX/MIN/AVG modes, Data Hold, Data Store, and Recall

• Units: Selectable Celsius (C) and Fahrenheit (F)

• Safety Compliance: CE Certified

Key Applications and Projects

• HVAC System Performance: Verifying humidity levels in building supply air to ensure comfort and prevent structural damage.

• Industrial Warehousing: Monitoring sensitive inventory such as electronics, pharmaceuticals, or paper products that require strict climate control.

• Agriculture and Research: Tracking temperature and moisture trends in greenhouses or laboratories to maintain optimal experimental conditions.

Unlock New Capabilities (Project Evolution)

• Analytical Upgrade: Move beyond simple spot-checks by utilizing the 8000-set storage and USB interface to track and analyze environmental shifts over several days.

• Efficiency Upgrade: Use the MAX/MIN/AVG functions to instantly identify the highest and lowest points of an inspection without manual tallying.

Downloads: 

• User_Manual

Package Includes:

• 1 x UNI-T UT331+ Digital Humidity Temperature Meter

• 1 x USB Data Interface Cable

• 1 x Protective Carrying Case

• 1 x Operating Manual

FREQUENTLY ASKED QUESTIONS (FAQ)

1. How many data points can this meter store? It can store up to 8000 sets of temperature and humidity data for later recall.

2. Can I transfer the data to my computer? Yes, the UT331+ features a USB interface for data transfer and analysis on a PC.

3. What is the "RECALL" button for? It allows you to view previously stored data points directly on the meter's display.

4. Does it measure both temperature and humidity? Yes, it simultaneously displays ambient temperature and relative humidity (% RH).

5. Can I switch between Celsius and Fahrenheit? Yes, the meter supports both units, and the setting can be changed in the setup menu.

6. Does the display have a backlight? Yes, it features a blue backlit LCD for easy reading in dark environments.

7. What is the update speed? The high-precision sensor typically updates the display every 1 second.

8. What batteries does it require? It typically uses 4x standard 1.5V AAA batteries.

9. Can I see the average reading? Yes, the MAX/MIN button allows you to cycle through peak, minimum, and average values for the session.

10. How do I freeze a reading? Press the "HOLD" button to lock the current measurement on the screen.

11. Does it show the time and date? Yes, the display includes a real-time clock and date for accurate data logging.

12. Is it compact enough for field use? Yes, it features a rugged, ergonomic handheld design optimized for field technicians.

13. How do I start storing data? Press the "STORE" button to save the current reading into the internal memory.

14. What does the "ENTER/DP" button do? It is used for confirming selections in the setup menu and toggling display parameters.

15. Is the device durable? It features the signature UNI-T ruggedized black and red housing designed for industrial environments.

16. What happens when the memory is full? The device will typically indicate that storage is full; you can then transfer data to a PC or clear the memory.

17. Can I use it for home humidity checks? Absolutely; its high accuracy makes it perfect for verifying home humidifiers or wine cellars.

18. What color is the housing? It features the signature professional UNI-T red housing with a black faceplate.

19. Does it have an auto-power off? Yes, it includes an auto-off feature to conserve battery life after periods of inactivity.

20. Is this suitable for beginner hobbyists? While professional-grade, its clear labeling and dedicated buttons make it very accessible for any skill level.