HOBO UX90-004 Motor ON/Off Data Logger

The HOBO Motor On/Off data logger recordsmotor on and off conditions within an AC magnetic field with its internal sensor, or mechanical contact closures from external sensing devices. This data logger is ideal for tracking the usage & runtimes of motors, pumps, compressors, and other equipment. The HOBO UX90-004 Motor On/Off Data Logger is available in a standard 128 KB memory model (UX90-004) capable of 84,650 measurements and an expanded 512KB memory version (UX90-004M) capable of over 346,795 measurements.

The UX90-004 Data Logger is for use in Indoorenvironments

The UX90-004 Data Logger supports the following measurements:

Motor On/Off • Runtime • State Open/Closed

The software HOBOware is included at no cost and can be downloaded on our website.

USB-cable can be bought separately.



  • Operating times for motors, pumps, compressors etc.
  • Dual internal sensors for better sensitivity
  • External input for mechanical contact closures when the signal strength / magnetic field is too low
  • UX90-004
  • UX90-004M
Price excl. VAT
  • 830 kr
  • 1090 kr


Some of our references

Skärmklipp 2017-12-19 18.18.07

                    Preferred supplier in Smart Grid Gotland