Portable Thermometer/Hygrometer | UT333/
UNI-T's UT333/UT333BT devices accurately measure temperature and humidity. They feature a compact size, a backlit LCD screen, and support HOLD and MAX/MIN functions. The BT model supports Bluetooth data transfer via the iENV app. Ideal for laboratori more information
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The UT333 and UT333BT by UNI-T are precision-engineered mini digital meters designed for ambient temperature and humidity measurement. The UT333BT model features integrated Bluetooth technology for wireless data transmission.
1. General Description
This device is a smart digital meter that combines humidity and temperature measurement in a compact, lightweight frame. Utilizing high-precision sensors to process data, it displays readings instantaneously on an LCD screen. It is ideal for use in warehouses, laboratories, HVAC systems, and residential settings.
2. Technical Specifications
| Property | Range / Value | Accuracy |
|---|---|---|
| Temperature Measurement | -10°C ~ 60°C (14°F ~ 140°F) | ±1.0°C / ±2.0°F |
| Humidity Measurement | 0%RH ~ 100%RH | ±5%RH |
| Resolution | 0.1°C / 0.1%RH | - |
| Sampling Rate | 1/s | - |
| Batteries | 3x 1.5V (AAA) | - |
| LCD Size | 32mm x 26mm | - |
| Weight | 102g | - |
| Dimensions | 155mm x 50mm x 28mm | - |
3. Key Features
- Bluetooth Connectivity (UT333BT only): Transfers data to the iENV app for analysis and export.
- MAX/MIN Modes: Displays the highest and lowest recorded values.
- Data Hold: Freezes the current reading on the screen.
- Backlit LCD: Facilitates reading in low-light environments.
- Dual Units: Switchable between Celsius (°C) and Fahrenheit (°F).
- Auto Power Off: Conserves battery after 5 minutes of inactivity.
- Safety Alerts: Indicators for low battery and over-range (OL).
4. Operating Instructions
- Power: Press the ON/OFF button to start.
- Unit Selection: Press the ℃/℉ button to toggle units.
- MAX/MIN: Press once for MAX, twice for MIN, and long-press to exit.
- Data Hold: Press HOLD to freeze/unfreeze the value.
- Bluetooth (BT Model): Use the iENV app to sync and view real-time data.
5. Applications
- Grain storage and transport monitoring.
- Archive and document climate control.
- Livestock and forestry management.
- Laboratories and healthcare facilities.
- Residential HVAC performance testing.