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Internal Sensor:
Maximum State, Event, Runtime Frequency: 1 Hz
External Input:
External Contact Input: Electronic solid state switch closure or logic driven voltage output
Range: 0 to 3 V DC (USB powered), 0 to 2.5 V DC (battery powered)
Maximum Pulse Frequency: 50 Hz
Maximum State, Event, Runtime Frequency: 1 Hz
Pulse, Event Lockout Time: 0 to 1 second in 100 ms steps
Solid State Switch Closure:
Input Low: < 10 KΩ;
Input High: > 500 KΩ
Internal Weak Pull-Up: 100 KΩ
Input Impedance:
Solid state switch closure: 100 KΩ pull up
Logger:
Resolution: Pulse: 1 pulse
Runtime: 1 second
State and Event: 1 State or Event
Logging Rate: 1 second to 18 hours, 12 minutes, 15 seconds
Time Accuracy: ±1 minute per month at 25°C (77°F)
Power Source: One 3V CR2032 lithium battery and USB cable
Memory: 128 KB (84,650 measurements, maximum)
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)
What's In The Box:
HOBO UX90-001x State Data Logger
2.5 mm input cable
Command™ strip
Double-sided tape
Hook & loop strap
Magnet with 2 screws
