Onset UX90-004 HOBO Motor On/Off Data Logger (0~3 V DC, 0~2.5 V DC)

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

Records motor on/off conditions within an AC magnetic field with its internal sensor, or mechanical dry contact closures from external sensing devices. This logger is ideal for tracking the usage and runtimes of motors, pumps, compressors, and other equipment.

Manual

Video