The UNI-T UT333 is a compact digital meter for monitoring ambient temperature and relative humidity. Its dual backlit display, fast 0.5-second sampling and MAX/MIN functions make it suitable for environmental monitoring, storage facilities, laboratories and general indoor use.
Key Features
- Measures ambient temperature and relative humidity simultaneously
- Dual backlit LCD provides clear temperature and humidity readings
- MAX/MIN measurement and data hold functions
- Selectable °C/°F units with fast 0.5-second sampling
- Compact 1m drop-resistant design with automatic power-off
Product Specifications
| Specification |
Details |
| Brand |
UNI-T |
| Model |
UT333 |
| Temperature Range |
-10°C to 60°C (14°F to 140°F) |
| Temperature Accuracy |
±1.0°C / ±2.0°F |
| Temperature Resolution |
0.1°C / 0.2°F |
| Temperature Units |
°C and °F |
| Relative Humidity Range |
0–99% RH |
| Relative Humidity Accuracy |
±5% RH |
| Relative Humidity Resolution |
0.1% RH |
| Sampling Rate |
0.5 seconds |
| Measurement Functions |
MAX, MIN and data hold |
| Overload Indication |
OL |
| Automatic Power-Off |
After approximately 5 minutes |
| Low-Battery Indication |
3.0–3.5V |
| Power Supply |
3 × 1.5V R03 (AAA) batteries |
| Operating Current |
≤25mA |
| Power-Off Current |
≤10µA |
| Operating Environment |
0°C to 40°C; ≤80% RH |
| Storage Environment |
-20°C to 60°C; ≤75% RH |
| Drop Resistance |
1m |
| Display Size |
32 × 26mm |
| Product Dimensions |
155 × 50 × 28mm |
| Net Weight |
102g |
| Product Colour |
Red and grey |
| Compliance |
CE, UKCA, EN 61326-1 and Pollution Degree 2 |
Applications
- Warehouses, grain storage and transportation
- Archives, document storage and material management
- Laboratories, healthcare facilities and teaching environments
- Agriculture, livestock facilities, public buildings and homes
Included Components
- 1 × UNI-T UT333 Temperature and Humidity Meter
- 3 × 1.5V R03 (AAA) batteries
- 1 × English user manual