HOBO Light On/Off Data Logger

Specifications

Logger

Light Threshold: > 65 lux
Light Type: LED, CFL, fluorescent, HID, incandescent, natural
Start Modes: Immediate, push button, date & time, or next interval
Stop Modes: When memory full, push button, or date & time
Time Accuracy: ±1 minute per month at 25°C (77°F) (see Plot A)
Power Source: One 3V CR2032 lithium battery and USB cable
Battery Life: 1 year typical use
Memory: UX90-002: 128 KB (84,650 measurements, maximum) (UX90-002M: 512 KB (346,795 measurements, maximum)
Download Type: USB 2.0 interface
Full Memory Download Time: 10 seconds for 128 KB; 30 seconds for 512 KB
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
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 5.94 x 1.52 cm (1.44 x 2.34 x 0.6 in.)
Weight: 23 g (0.81 oz)
Environmental Rating: IP50

No category

Memory Modes: Wrap when full or stop when full