HOBO 4-Channel Analog Data Logger

Specifications

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: 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 mode: Push button
Time accuracy: ±1 minute per month at 25°C (77°F), see Plot A
Battery life: 1 year, typical with logging rate of 1 minute and sampling interval of 15 seconds or greater
Battery type: Two AAA 1.5 V alkaline batteries, user replaceable
Memory: 4 MB (1.9 million measurements, maximum)
Download type: USB 2.0 interface
Full memory download time: approximately 1.5 minutes
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: 10.8 x 5.41 x 2.54 cm (4.25 x 2.13 x 1 in.)
Weight: 107.5 g (3.79 oz)
Environmental rating: IP50