AUTO RANGE is not available during integration mode on the WT500, WT1800/WT1800E, or WT3000/WT3000E Only the WT300/WT300E (WT310,WT332,WT333) will allow you to use the AUTO RANGE setting during the integration mode.
Measure characteristics of devices that generate, transform or consume electricity. Also called power meters or wattmeters, these devices measure parameters such as true power (watts), power factor, harmonics, and efficiency.