| GENERAL SPECIFICATIONS |
| Temperature |
| Digital type: | 74ACT373 USB-DIO96H hardware revision G and later: 74LCX24
Output: 74FCT244 |
Measurement range | –30 °C to 80 °C (–22 °F to 176 °F) | | Internal resolution | 0.1 °C (0.1 °F) typ |
| Accuracy (overall error) | ±0.5 °C (±1.0 °F) typ, ±2.0 °C (±4.0 °F) max |
| Relative Humidity (%RH) |
| Measurement range | 0% to 100% |
| Accuracy (overall error)* | ±2.0 typ, ±4.0 max |
| Note | Specifies the overall error in the logged readings for relative humidity measurements between 20% and 80% RH |
| Internal resolution | ±0.1 %RH typ |
| Long term stability | 0.5 typ (%RH per year) |
| Alarm threshold range | 0% to 99.5% (high and low alarms) |
| Dew Point |
| Accuracy (overall error)* | ±1.1 °C (±2.0 °F) typ |
| Data Sampling |
| Sampling intervals (software-selectable) | 10 s, 15 s, 20 s, 30 s, 1 min, 2 min, 5 min, 10 min, 15 min, 20 min, 30 min, 1 h, 2 h |
| Max temperature samples | 252,928 |
| Units | °C or °F |
| USB Specifications |
| USB device type USB | 2.0 (full speed) |
| Device compatibility | USB 1.1, USB 2.0 |
| Power |
| Power source | Two 1/2AA 3.6 V lithium batteries |
| Battery life | 4 months typ at 25 °C and 10 minute logging rate with no audible alarm or alarm LEDs and minimal LCD use |
| Environmental |
| Moisture and dust protection | IP67 |
| Operating temperature range | –30 °C to 80 °C (–22 °F to 176 °F) At temperatures below -5 °C the LCD exhibits slower response times. The LCD is disabled at temperatures below -20 °C and above 70 °C. |
| Mechanical |
| Dimensions (L × W × H) | 3.46 × 1.90 × 1.20 in. (88 × 48.5 × 30.5 mm) |
