HOBO Temperature/Relative Humidity 3.5% Data Logger
Specification
Temperature Sensor
| Range |
-20° to 70°C / -4° to 158°F |
| Accuracy |
±0.21°C (0° to 50°C); ±0.38°F (32° to 122°F) |
| Resolution |
0.024°C at 25°C , see manual for plot
0.04°F at 77°F , see manual for plot
|
| Response Time |
4 minutes (air moving 1 m/s / 2.2 mph) |
| Drift |
<0.1°C per year; 0.18°F per year |
RH Sensor
| Range |
15% to 95% RH (non-condensing) |
| Accuracy |
±3.5% from 25% to 85% including hysteresis at 25°C (77°F); below 25% and above 85% ±5% typical |
| Resolution |
0.07% at 25°C (77°F) and 30% RH |
| Response Time |
43 seconds to 90% (airflow 1 m/s / 2.2 mph) |
| Drift |
<1% per year (typical) |
Logger
| Logger Operating Range |
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, atau statistics |
| Memory Modes |
Wrap when full atau stop when full |
| Start Modes |
Immediate, push button, date & time, atau next interval |
| Stop Modes |
When memory full, push button, atau date & time |
| Restart Mode |
Push button |
| Time Accuracy |
±1 minute per month @25°C (77°F) |
| 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 (84,650 measurements max) |
| 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 × 8.48 × 1.52 cm (1.44 × 3.34 × 0.6 in.) |
| Weight |
30 g (1.06 oz) |
| Environmental Rating |
IP50 |