Analog Line Voltage Monitor

Plugs into standard home outlet and displays AC voltage. Display range limited to 90-150V for better resolution.

Thru-Plug Analog Line Voltage Monitor

Plugs into standard home outlet and displays AC voltage. Thru-Plug allows user to observe the voltage drop caused by an appliance plugged into the thru-plug.

Digital Line Voltage Monitor

The model 9018LT plugs into a standard household electrical outlet and displays the line voltage on a digital LCD readout. Electronic circuitry provides higher accuracy and easier readability.

Digital Line Voltage and Frequency Monitor

The model 9016LFT plugs into a standard household electrical outlet. Switch selects AC voltage or line frequency for display on the digital LCD readout. Electronic circuitry provides higher accuracy and easier readability.

Power Guard Line Monitor with Alarm