Volumio Power Draw on Pi5

Does this seem correct or do I need a better instrument to register power consumption? With everything going the wattage varies but never goes above 8…

Pi5 4GB
Official Pi5 PSU
5.5" AMOLED Display
USB Connections:

  1. Touch display
  2. USB Out to SMSL A50 Pro
  3. 2TB M2 SSD on USB enclosure
  4. External USB WiFi Dongle