Technical Information
|
Temperature Sensor
|
Range |
-20° to 70°C (-4° to 158°F) |
Accuracy |
±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F), see Plot A in User Manual |
Resolution |
0.024°C at 25°C (0.04°F at 77°F), see Plot A in User Manual |
Response Time |
4 minutes in air moving 1 m/s (2.2 mph) |
Drift |
<0.1°C (0.18°F) per year |
RH Sensor
|
Range |
1% to 95% (non-condensing) |
Accuracy |
±2.5% from 10% to 90% typical to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical |
Resolution |
0.01% |
Response Time |
10 seconds to 90% in airflow of 1 m/s (2.2 mph) |
Drift |
<1% per year typical |
Logger
|
Logger Operating Rate |
Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing) Launch/Readout: 0° to 50°C (32° to 122°F) per USB specification |
Logging Rate |
1 second to 18 hours, 12 minutes, 15 seconds |
Logging Modes |
Fixed interval (normal), burst, or statistics |
Memory Modes |
Wrap when full or stop when full |
Start Modes |
Immediate, push button, date & time, or next interval |
Stop Modes |
When memory full, push button, or date & time |
Restart Modes |
Push button |
Time Accuracy |
±1 minute per month at 25°C (77°F), see Plot B in User Manual |
Power Source |
One 3V CR2032 lithium battery and USB cable |
Battery Life |
1 year, typical with logging rate of 1 minute and sampling interval of 15 seconds or greater |
Memory |
128 KB (63,488 measurements, maximum) |
Download Type |
USB 2.0 interface |
Full Memory Download Time |
20 seconds |
LCD |
LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range |
Size |
3.66 x 8.48 x 2.29 cm (1.44 x 3.34 x 0.9 in.) |
Weight |
30 g (1.06 oz) |
Environmental Rating |
IP50 |
CE |
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |