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 |