MPO POWER METER FIRMWARE
WARNING

If you have any concerns or questions about this firmware update, please call 262-473-0643 or leave us an information request before applying this update.
Latest firmware version: 1.23
Date: August 28, 2025

*** THIS UPDATE IS HIGHLY RECOMMENDED ***

MPO Power Meter Firmware Update 512kB


IMPORTANT NOTES ON UPDATING FIRMWARE

*** READ FIRST ***
Download the firmware file to a location on the hard drive that is easy to remember, such as the Desktop.
It is recommended to only update the firmware if the version number shown on this webpage is higher than the version currently installed in the devices.
OWLView software must be installed in order to update this firmware. The USB driver will be installed with the software if it hasn't been already.
As a safety precaution, ALWAYS download all data from the meter before updating the firmware.
While the firmware is updating, do NOT disconnect the USB cable or power the device off.
UPDATING MPO METER FIRMWARE
   
1 Connect the MPO Power Meter to the PC via the supplied USB cable. Power on the device if necessary.
2 Launch the OWLView software program. The shortcut can be found in "Start, Programs, OWL, OWLView".
3 From the OWLView software, click "Tools, Update Firmware, From file..."
4 Browse to the location where the firmware update file is stored, then click "Open".
5 After a few seconds, the bootup screen will display the new firmware version number.