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Internal Motor Sensor:
AC Magnetic Field Threshold: >40 mGauss at 60 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 State and Runtime Frequency: 1 Hz
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 Even
Time Accuracy: ±1 minute per month at 25°C (77°F)
Memory UX90-004: 128 KB (84,650 measurements, maximum)
Power Source: One 3V CR2032 lithium battery and USB cable
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 8.48 x 1.52 cm (1.44 x 3.34 x 0.6 in.)
Weight: 30 g (1.06 oz)
What's In The Box:
HOBO UX90-004 Motor On/Off Data Logger
Command™ strip
Double-sided tape
Hook & loop strap
