142b:03a5 933A Portable Power Sentinel

Arbiter Systems, Inc.

Vendor ID
142b
Product ID
03a5
Combined
142b:03a5
Decimal
5163:933

What is this device?

This is the USB identifier for a 933A Portable Power Sentinel manufactured by Arbiter Systems, Inc.. The vendor ID 142b is registered to Arbiter Systems, Inc. with the USB Implementers Forum, and 03a5 is the product ID that Arbiter Systems, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 142b:03a5 Arbiter Systems, Inc. 933A Portable Power Sentinel.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 142b:03a5 Arbiter Systems, Inc. 933A Portable Power Sentinel

You can filter directly with lsusb -d 142b:03a5, or get the full descriptor dump with lsusb -v -d 142b:03a5. Kernel messages from dmesg show the same pair as idVendor=142b, idProduct=03a5.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_142B&PID_03A5
USB\VID_142B&PID_03A5&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_142B&PID_03A5"

macOS

$ system_profiler SPUSBDataType
    933A Portable Power Sentinel:
      Product ID: 0x03a5
      Vendor ID: 0x142b  (Arbiter Systems, Inc.)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

142b  Arbiter Systems, Inc.
	03a5  933A Portable Power Sentinel

More from Arbiter Systems, Inc.