| Technical Specifications |
| Temperature |
| Measurement range | –35 °C to 80 °C
(–31 °F to 176 °F) |
| Accuracy (overall error)* | ±0.5 °C typ, ±2 °C max; ±1 °F typ, ±4 °F max |
| Internal resolution | 0.5 °C, 1 °F typ |
| Alarm threshold range (software-selectable) | –35 °C to 79.5 °C (–31 °F to 175 °F, high and low alarms |
| Relative Humidity (%RH) |
| Measurement range | 0% to 100% |
| Accuracy (overall error)* | 2.25% RH typical (20% RH to 80% RH) |
| Internal resolution | 0.5% RH typ |
| Long term stability | < 0.25% RH/year |
| Alarm threshold range | 0% to 99.5% (high and low alarms) |
| Dew Point |
| Accuracy (overall error)* | ±1.7 °C typ (–35 °C to 80 °C, 40% RH to 100% RH)
The overall error takes into account the sensor accuracy and the resolution of the data logger |
| Data Sampling |
| Sampling interval (software-selectable) | 10 s, 30 s, 1 min, 5 min, 15 min, 30 min, 1 h, 2 h, 6 h, 12 h |
| Temperature samples | 16,379 max |
| Relative humidity samples | 16,379 max |
| Temperature units | °C or °F |
| Logging modes | Immediate, delayed start, and push to start (through the LCD button on the device) |
| Data rollover (software-selectable) | Allows unlimited logging periods by overwriting the oldest data when memory is filled |
| USB Specifications |
| USB device type | USB 2.0 (full speed) |
| Device compatibility | USB 1.1, USB 2.0 |
| LCD Status Indicators |
| Temperature (°C/°F) | Current temperature, stored max, and stored min values |
| Relative humidity (%RH) | Current relative humidity, stored max, and stored min values |
| LCD mode (software-selectable) | Always on; on for 30 seconds after the LCD button is pressed; always off |
