UT330B | USB Series Dataloggers
UT330B | USB Series Dataloggers
Blog Article
The UT330B is part of the UNIT-T USB Series Dataloggers, designed for portable temperature (and sometimes humidity) monitoring with easy USB data extraction. Below are its key details:
UT330B Key Specifications
✔ Measurement Range:
Temperature: Typically -40°C to +80°C (varies by model).
Humidity (if equipped): 0% to 100% RH (e.g., UT330B+ models).
✔ Accuracy:
Temp: ±0.5°C (higher precision than generic loggers).
Humidity (if applicable): ±3% RH.
✔ Memory: Stores 16,000–32,000 data points (depends on model).
✔ Battery: CR2032 coin cell (6–12 months life, depending on logging frequency).
✔ IP Rating: IP67 (waterproof and dustproof).
✔ Interface: USB-A plug (direct PC connection, no cables needed).
✔ Logging Interval: Adjustable from 1 second to 24 hours.
How to Use the UT330B
Activate – Press the button to start logging (LED confirms operation).
Deploy – Place in the monitoring area (e.g., fridge, warehouse, truck).
Download Data – Plug into a PC USB port:
Auto-generates a CSV/TXT file (compatible with Excel, etc.).
Some models include dedicated software (e.g., UT-W for graphs/reports).
Typical Applications
Food Safety: Monitor fridge/freezer temps for HACCP compliance.
Pharmaceuticals: Vaccine/cold chain validation.
Industrial: Machinery/environmental monitoring.
Research: Lab or field data collection.
Comparison to Other Models
| Model | Temp Range | Humidity | Memory | Key Feature |
|---|---|---|---|---|
| UT330B | -40°C to +80°C | ❌ No | 16K | Basic temp logging |
| UT330B+ | -40°C to +80°C | ✔ Yes | 32K | Temp + humidity tracking |
| UT325B | -20°C to +60°C | ❌ No | 8K | Compact, lower cost |
Troubleshooting
⚠ No File on USB? Ensure logger was stopped before unplugging (press button to halt).
⚠ Data Gaps? Check battery or adjust logging interval.
⚠ PC Not Recognizing? Try FAT32-formatted USB or a different port.
Where to Buy
Online: AliExpress, Amazon, specialized industrial suppliers.
Price: ~20–20–50 (varies by features and seller).https://store.unigulfsupply.com/product/ut330-usb-series-dataloggers/